LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela...

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DOl ,...,. ,DtnetDWN.-. -r-.-.w ,___ -DC-- .-..... _...,.... rrr- Arent Fox Kintner Plotkin & Kahn Mard!IO,l99l VIA CQTIDED MAIL UJlliN umn amursrm Ml."-la Sbiddo -l'lojec:tMialfor w- ............ , llMIIoo (HJIS.CANJ) Jill[ fedenl lluidlna -.NA!WOJ Re: c- .. Plopoood .... for the NNa Qmi;tl Wwc Ptpp I& Opcpl* u• m llolrMJ.SIIidds: no-..- .. -oabellllfol-Ttlll,loc.llf-. O........ ...... 1011- C. no_., ponloiJoltt 1a """""'ot-- AJr Roolly Tn-.-..- T-. Dr . -. W. Lurie, WC1. Nyomi ,_Inc.. Dr. Colpondoa. o-nly, .... -"'- ............ -in ("RJIIIA") ,...,_ 11J -- NUS ("NUS"). ..,.II k _........ ,. """"'""11J tk We--dlo!IO-- ..., .... llllt...,._in_lor2be--.11111-.ldbe ..- ... wid! Pion ("1«7). Noomtxlea, if EPA- llllt- oldie A.-II required, ...,., ..... -.m w.- <111 be ..- -.,-die dloJuptioa ol .... , .... (uoina an AllematiYe tojocted 11J 1Mtt if tllll sugestion is in tum rejeded by EPA, llld If AkelliiiM: II ....... , the Pn:f<rred Remedy, the selected Taraet Cleanup Level uooc:Wed wilb Allenwiw IIA is un.-Ic: and without adequate Jdeodtlc juodtlcetion, and -be replaced by tllllh<r, 111010 - ..- llld...,.. aclllmble TliJ<I Cleanup I..<YeiiUCh as tllll presented for AllematiYe IIC.

Transcript of LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela...

Page 1: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

DOl

DtnetDWN-

-r--w ___-DC-shy-_ rrr shy

r--sTat~

Arent Fox Kintner Plotkin amp Kahn

MardIOl99l

VIA CQTIDED MAIL UJlliN umn amursrm Ml-la Sbiddo -llojectMialfor USE~M~o~wcow--_ w- llMIIoo (HJISCANJ) Jill[ fedenl lluidlna -NAWOJ

Re c- Plopoood forthe NNa Qmitl Wwc Ptpp Iamp Opcpl ubull m

llolrMJSIIidds

no-- -oabellllfol-Ttllllocllf- O PitDT-~MotoL-1011shyC Cooper~ no_ ponloiJoltt 1a ot-- AJr Roolly Tn--- T- Dr - W Lurie WC1 ~ Nyomi _Inc Dr ~L~-PO Colpondoa

o-nly -- ~--middot -inthe-~- (RJIIIA) _ 11J -- NUS (NUS) II k _ 11J tk

-~StlldJ(FS) We--dloIO-shyllllt_in_lor2be--11111-ldbe - wid the-~ Pion (1laquo7)

Noomtxlea if EPA- llllt- oldie A-II required oldle~UaitiCIgtlod--aod--llllldle -m w- lt111 be - --die dloJuptioa ol (uoina an AllematiYe Remedy~ tojocted 11J Nils~

1Mtt if tllll sugestion is in tum rejeded by EPA llld If AkelliiiM II the Pnfltrred Remedy the selected Taraet Cleanup Level uoocWed wilb Allenwiw IIA is un-Ic and without adequate Jdeodtlc juodtlcetion and-be replaced by tllllhltr 111010 - - llld aclllmble TliJltI Cleanup IltYeiiUCh as tllll presented for AllematiYe IIC

--

r r Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mardi 10 1993 PIamplt 2

Finally the lonaermiddottenn aoai of Operable Unit IV namely dredpnamp of the Sudbury River after further studies would inevitably be extremely costly and is ldeotillcally and fisltally insupportable

(A) Bcmfdjftiop of Conpnujng Source Arqs

The various remedial Altenwlws presented by NUS In the FS IOd selected by them for further considemion IOd the various cleattup pis IIIOdlted shytbem SW1IIIIUized In the Propooed IIID The daipiiOd of shyAlteroatMsueofcouneclerMd-theiafonudoGIntheRIdie ooadulioas drawn In die RA porticuluty - tltpnl - -

Ia dieCOIIWttioatioo M lblll therefore CODCCDIBIC OD-shy

-ulhouldbe-- bull-~~middot-bulldoo way tbat ltlty- -ucclln the RIIIIAkinl die-shy__re-llll _dlaeby_ _ - acdon Tblo- II carried tllrouF laao me RA wbeiC -orshy--laalellinlplildc -or_u mirleodlltC _-AI a poial NUS IWa OD p 4-1 ot die IUIRA dill ol (meshy-~ooly-(aad_middot- 10 doo Site diocbaiFL -middotdlis- II diJocdJ-shylaaerillme--oldleiUIRA ---bullthea

aamp up to I-ll ppoL and_ 1115 (p 4-9)

IJlilltabulatiooofiiiiiQJGtamlnadontaUiti(T-T-I~NUS-shyfof me -ror-- - ot_ID- shy __of ____--- --or-rshy-middot~ew~or---(a--ID--1111

- lowl- IICIUOIIJ Noc Delocled) _middot--ormiddotshy-middot NUSIWa(p4-75)tblldle__ of_IDIIIII rn die Scudy Area- 202 tbe of dlis II - --the-lnT-44--otlloll

Allllllol- Fillet by-middot die--- shyIIIII- ta1ta me oo-middot--middot otiOIOI miry_ be152 ppo or ooly 012 ppa abltM the FDA actioa lewl of I ppoa Evat If die - for the badcpound areas (Readt IIOd Suclgtwy Reoenolr) ue - medelltctedawbullrtoesonlytoll6ppo

MoCOltf NUSs use of deteltted _ or Ave Deteded Concentrations (AOO) (FS p 1-17) Introduces a- biaalnto ushyraukl jt mg QQf tW lam 9JltD 1bc ftab ig wbidl oo mcnury mqsemiMdpp ~ie It prcltllll only the aw ofrcsulu rn the IIIII (161shythe entire Sudy Area 145 from Readla 2-9) In whictl menul) - aboYe

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mardi 10 1993 PIamplt 3

IMiytical method deteetion limiu This is a compleldy artificial baais for eadulion of data and the entire compuwion of a set of bulldctecced averaaa il DOt ooly pcMnliea but also milleadlnamp since It is quolltd In be Qt

Thus when the entire populalfon of IIIII caUJIgtt for be IIUdy is included (258 In be enure Study Area 224 for Reachea 2-9 only~ be true reponed _ become 11106 (rounded off 10 3 sipfftcaat llpm as 101) for be entire Sludy Area aad 1()7 for Reaches 2-9 only both budy - be fOUIId aad dletltigtrlt -artgtitnrily-llpreoflppmldeeaedbyFDAaalbeaclioafewl Allo it CID be seen from thele 101a1t tbat gsr wampehrt of Jbc fllh 1 (367A in tbe Study Area 3$J in Relcha 2middot9 IIDDe) PM M detnlk - middot But witbout - data k is DOt-10-shy penaltiF of IIIII fell below lbe FDA IICiioa low of I ppm IIICRUI)

NUS did 101 -eerbe- folt dill - k ------FDAIICiioaiMI-Ioooly2511of -pod -NUS- In llfltlr_-shy - (FS pl-23~ dw

----IQIJ)--fallahshy----ofdle_ _ FDA-

Level for fa llab

lbefaldlal llleiQIJ)--FDAAltIIoalcwlalo_ __-cdloreoobllllfloe_bodJ__

_ _--_ ___~~~~~-_-- - of die apoaure oawtoaThe--middot-fa-J __actuallyiiiiiiK

die FDA- low fa all bulrwo _-- ao wbere be -baldy eoaoedcd die-- 1(15- aad Reacnoir 2 219ppm IIJallllbinini_of_(wbfcbarelbeooly ---be-IOcolculllelooc-rcrm-dreeu~aad- - wbfcb are ofagtUne- ooa llah NUS eueful1y - bias Into Summary die llall - shy- - _ and more wfdeapread - k rally fl Afao byCrrillc 10 -rwn areas only NUS is - 10 IMgtid mention In lbe Sonuury oldie fallllll the_ hfatllyconlanllnaled 11111- actu111y folmdln an (badltpound) location Cedar Swamp Fond wllicll also pur IIIII areas contamination ftaure - the FDA action lelld NUS reporu IIIII adloerae health effecu 11U111Q11wr without pOYidfna any quanrfwM julliftcarion in this statement

The RIRA (p 4-76 and Tahfe 44) In-res that many ish oonraln apan from mercury other siampnificant non-site-related contamination principally

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 Pqe4

PCik Arochlor 1254 1nd 1260 in ooncentruions u bip 11760 ppb Allo sipilicant wu a repeat oeeurrence of 44-DDE 44-DDD and 44-DDT [Ie the pesticide DDT and its b-n products~ DDE- detecrcd in OYer 15 percent of bb lillue samplea lllllyzltd andshyraqed from detelttion limits to 250 ppb

Ulrlt ntlttltylmertwy PCik and DDT biomultlply in the fuod cbaitt (RIIRA p 5-20) Ualike merauy and ill- ICBI DDT ud illshyproductsan --_ -the rllt- - ofbmnl - (HQI) lor-middotand-- -lor ICBIIIMI peoticidea

Allllottp the l1opooed IIIDs- - ~ ---(pl~dleRlolt _ _ --HQIblll--liiamp-IIJ-- --(IIIL-ofolliiampIIQo)oflldlo~of ~ (COCI) (pp 6-157 6-110~ -middotIllamp_ Tillie olltt - (1- 6-48 pp 6-1511 D 6-161) equol- DIIQo

11-no--illthe_of___----lltlt------shy---------shy_of HQs and apeclally- HQo ooly -- _ _ _ illcaltulaoittl the Iotttlt--shy- - ill -r 10 datM the HQs NUSs- ill ca1a11at1aa IDll IIQodutwd from_--- II --polldciiiiMI- and 1111 - ill EPAs lllllt-Guidance lor Superfund Humaa- Ewluation M- A

- (RIRA pp 6-157 6-110 FS p 1middot22 1-23) --ooillplythllliiCIQiryoonllllliaatioaiiWielpleadiDlla -r - lor concem than k II

Huant indica eaku1ated 1or a11 coca- ill~~~~~-

- durina the Rleaeed unity in --ofthe- shylor- surfaa water body eoallllled The eua - indude _ of- and_ COC--

Tbe llaard inda eakulated lbr IIIQla raqed 1too1 15 ( shyPond COC ooncentruions) to 120 (lOICnoir No2 shyCOC ooncentrotiool) wben the lublistenee lllllerman 11-red the receptor of ooncem The huatd inda eaku1ated for aUQCa JIII80d from 021 (Southville Pond F COC ooncentrotiool) to 17 (reaenoir No2 muimum COC concentrations) when the spons ftlherman il oonsidered the receptor of concern The HQ cakulated for mercury

Arent Fax Kintner Plotkinamp Kahn

MI Pamela Shields Manh 10 1993 PIamplt s

andor melhyi mercury QCteds unity in every cue that the hazard iDdct acecds unity

Huard lndlcu caJculaud for lbh liaut lamplllple _ from surface WMCr bodies downstream of the Nyanza she aced 10 ln ooe or IDOIC ~ praented

lhc followinamp is readily _ from lhc RJIIlt Summary llblc

bull Considen only HQs deriwd from - shyCOIIIInlilwioaYIIuaaYIIueof1iltllll-lor---In shy NoZ S- oolyb)bull and_ lallplllcoal (HO - 131or _lllormethyl-~

bull - ooly HQs-- shy- of11o_llr_ --- _llliiiiiiiiLIII - Alllloup -IIQ-9911r - NoZ-of4DIIIId33--b-otdlo bollplund -ry- 111111 Cedar_ a__

1--IObcnopiOOIbullIOdlc-ofdle--middot -- been --IIOdlcCOIIIrlry(MO--~ ParMa--ofHQslordlc---middot-middot-ne 1t1ot Summary -a dial adler _ coca u-- PC8a _ ooatribulelipiHicanlly 10 die caninopak aad ~ shy157) -~apinon________ - 1or of die mer- aa11 surface bodies- (p 6shy

-(where detltCIltd) for die lbhmiddotiapdon-- bull llflll bull 3D E-04 (3 In 10000) and 4D E-05 (4 100000) tgtr- aadIn llllleiiQ-IS lhe lgtlio- ltlliluled conWIIinanl---ln _ per ldlopwn ol body per day and a eoolalllinant-pOdllc dole (RID) lllhis raliole lhe 110- I dlen -Ill a potential health risk uoodaled wilh _ 10 die eonWIIinan1 -r an RID is only an -bullbull (wilb uncenainly S(lUUiinamp perhapo an older of _mle) of1 daily _ 10 lhe human populalion (lneludlna lelllidYe 1) hal is tikely 10 be wilhoul an appmiable risk of deleterious elrecS duriftl 1 Hl1ime (p 6-38) The RID used by NUS hu an uncenainly laclor of 10 lor methyl me1111ry (p 6-34~

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 2: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

--

r r Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mardi 10 1993 PIamplt 2

Finally the lonaermiddottenn aoai of Operable Unit IV namely dredpnamp of the Sudbury River after further studies would inevitably be extremely costly and is ldeotillcally and fisltally insupportable

(A) Bcmfdjftiop of Conpnujng Source Arqs

The various remedial Altenwlws presented by NUS In the FS IOd selected by them for further considemion IOd the various cleattup pis IIIOdlted shytbem SW1IIIIUized In the Propooed IIID The daipiiOd of shyAlteroatMsueofcouneclerMd-theiafonudoGIntheRIdie ooadulioas drawn In die RA porticuluty - tltpnl - -

Ia dieCOIIWttioatioo M lblll therefore CODCCDIBIC OD-shy

-ulhouldbe-- bull-~~middot-bulldoo way tbat ltlty- -ucclln the RIIIIAkinl die-shy__re-llll _dlaeby_ _ - acdon Tblo- II carried tllrouF laao me RA wbeiC -orshy--laalellinlplildc -or_u mirleodlltC _-AI a poial NUS IWa OD p 4-1 ot die IUIRA dill ol (meshy-~ooly-(aad_middot- 10 doo Site diocbaiFL -middotdlis- II diJocdJ-shylaaerillme--oldleiUIRA ---bullthea

aamp up to I-ll ppoL and_ 1115 (p 4-9)

IJlilltabulatiooofiiiiiQJGtamlnadontaUiti(T-T-I~NUS-shyfof me -ror-- - ot_ID- shy __of ____--- --or-rshy-middot~ew~or---(a--ID--1111

- lowl- IICIUOIIJ Noc Delocled) _middot--ormiddotshy-middot NUSIWa(p4-75)tblldle__ of_IDIIIII rn die Scudy Area- 202 tbe of dlis II - --the-lnT-44--otlloll

Allllllol- Fillet by-middot die--- shyIIIII- ta1ta me oo-middot--middot otiOIOI miry_ be152 ppo or ooly 012 ppa abltM the FDA actioa lewl of I ppoa Evat If die - for the badcpound areas (Readt IIOd Suclgtwy Reoenolr) ue - medelltctedawbullrtoesonlytoll6ppo

MoCOltf NUSs use of deteltted _ or Ave Deteded Concentrations (AOO) (FS p 1-17) Introduces a- biaalnto ushyraukl jt mg QQf tW lam 9JltD 1bc ftab ig wbidl oo mcnury mqsemiMdpp ~ie It prcltllll only the aw ofrcsulu rn the IIIII (161shythe entire Sudy Area 145 from Readla 2-9) In whictl menul) - aboYe

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mardi 10 1993 PIamplt 3

IMiytical method deteetion limiu This is a compleldy artificial baais for eadulion of data and the entire compuwion of a set of bulldctecced averaaa il DOt ooly pcMnliea but also milleadlnamp since It is quolltd In be Qt

Thus when the entire populalfon of IIIII caUJIgtt for be IIUdy is included (258 In be enure Study Area 224 for Reachea 2-9 only~ be true reponed _ become 11106 (rounded off 10 3 sipfftcaat llpm as 101) for be entire Sludy Area aad 1()7 for Reaches 2-9 only both budy - be fOUIId aad dletltigtrlt -artgtitnrily-llpreoflppmldeeaedbyFDAaalbeaclioafewl Allo it CID be seen from thele 101a1t tbat gsr wampehrt of Jbc fllh 1 (367A in tbe Study Area 3$J in Relcha 2middot9 IIDDe) PM M detnlk - middot But witbout - data k is DOt-10-shy penaltiF of IIIII fell below lbe FDA IICiioa low of I ppm IIICRUI)

NUS did 101 -eerbe- folt dill - k ------FDAIICiioaiMI-Ioooly2511of -pod -NUS- In llfltlr_-shy - (FS pl-23~ dw

----IQIJ)--fallahshy----ofdle_ _ FDA-

Level for fa llab

lbefaldlal llleiQIJ)--FDAAltIIoalcwlalo_ __-cdloreoobllllfloe_bodJ__

_ _--_ ___~~~~~-_-- - of die apoaure oawtoaThe--middot-fa-J __actuallyiiiiiiK

die FDA- low fa all bulrwo _-- ao wbere be -baldy eoaoedcd die-- 1(15- aad Reacnoir 2 219ppm IIJallllbinini_of_(wbfcbarelbeooly ---be-IOcolculllelooc-rcrm-dreeu~aad- - wbfcb are ofagtUne- ooa llah NUS eueful1y - bias Into Summary die llall - shy- - _ and more wfdeapread - k rally fl Afao byCrrillc 10 -rwn areas only NUS is - 10 IMgtid mention In lbe Sonuury oldie fallllll the_ hfatllyconlanllnaled 11111- actu111y folmdln an (badltpound) location Cedar Swamp Fond wllicll also pur IIIII areas contamination ftaure - the FDA action lelld NUS reporu IIIII adloerae health effecu 11U111Q11wr without pOYidfna any quanrfwM julliftcarion in this statement

The RIRA (p 4-76 and Tahfe 44) In-res that many ish oonraln apan from mercury other siampnificant non-site-related contamination principally

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 Pqe4

PCik Arochlor 1254 1nd 1260 in ooncentruions u bip 11760 ppb Allo sipilicant wu a repeat oeeurrence of 44-DDE 44-DDD and 44-DDT [Ie the pesticide DDT and its b-n products~ DDE- detecrcd in OYer 15 percent of bb lillue samplea lllllyzltd andshyraqed from detelttion limits to 250 ppb

Ulrlt ntlttltylmertwy PCik and DDT biomultlply in the fuod cbaitt (RIIRA p 5-20) Ualike merauy and ill- ICBI DDT ud illshyproductsan --_ -the rllt- - ofbmnl - (HQI) lor-middotand-- -lor ICBIIIMI peoticidea

Allllottp the l1opooed IIIDs- - ~ ---(pl~dleRlolt _ _ --HQIblll--liiamp-IIJ-- --(IIIL-ofolliiampIIQo)oflldlo~of ~ (COCI) (pp 6-157 6-110~ -middotIllamp_ Tillie olltt - (1- 6-48 pp 6-1511 D 6-161) equol- DIIQo

11-no--illthe_of___----lltlt------shy---------shy_of HQs and apeclally- HQo ooly -- _ _ _ illcaltulaoittl the Iotttlt--shy- - ill -r 10 datM the HQs NUSs- ill ca1a11at1aa IDll IIQodutwd from_--- II --polldciiiiMI- and 1111 - ill EPAs lllllt-Guidance lor Superfund Humaa- Ewluation M- A

- (RIRA pp 6-157 6-110 FS p 1middot22 1-23) --ooillplythllliiCIQiryoonllllliaatioaiiWielpleadiDlla -r - lor concem than k II

Huant indica eaku1ated 1or a11 coca- ill~~~~~-

- durina the Rleaeed unity in --ofthe- shylor- surfaa water body eoallllled The eua - indude _ of- and_ COC--

Tbe llaard inda eakulated lbr IIIQla raqed 1too1 15 ( shyPond COC ooncentruions) to 120 (lOICnoir No2 shyCOC ooncentrotiool) wben the lublistenee lllllerman 11-red the receptor of ooncem The huatd inda eaku1ated for aUQCa JIII80d from 021 (Southville Pond F COC ooncentrotiool) to 17 (reaenoir No2 muimum COC concentrations) when the spons ftlherman il oonsidered the receptor of concern The HQ cakulated for mercury

Arent Fax Kintner Plotkinamp Kahn

MI Pamela Shields Manh 10 1993 PIamplt s

andor melhyi mercury QCteds unity in every cue that the hazard iDdct acecds unity

Huard lndlcu caJculaud for lbh liaut lamplllple _ from surface WMCr bodies downstream of the Nyanza she aced 10 ln ooe or IDOIC ~ praented

lhc followinamp is readily _ from lhc RJIIlt Summary llblc

bull Considen only HQs deriwd from - shyCOIIIInlilwioaYIIuaaYIIueof1iltllll-lor---In shy NoZ S- oolyb)bull and_ lallplllcoal (HO - 131or _lllormethyl-~

bull - ooly HQs-- shy- of11o_llr_ --- _llliiiiiiiiLIII - Alllloup -IIQ-9911r - NoZ-of4DIIIId33--b-otdlo bollplund -ry- 111111 Cedar_ a__

1--IObcnopiOOIbullIOdlc-ofdle--middot -- been --IIOdlcCOIIIrlry(MO--~ ParMa--ofHQslordlc---middot-middot-ne 1t1ot Summary -a dial adler _ coca u-- PC8a _ ooatribulelipiHicanlly 10 die caninopak aad ~ shy157) -~apinon________ - 1or of die mer- aa11 surface bodies- (p 6shy

-(where detltCIltd) for die lbhmiddotiapdon-- bull llflll bull 3D E-04 (3 In 10000) and 4D E-05 (4 100000) tgtr- aadIn llllleiiQ-IS lhe lgtlio- ltlliluled conWIIinanl---ln _ per ldlopwn ol body per day and a eoolalllinant-pOdllc dole (RID) lllhis raliole lhe 110- I dlen -Ill a potential health risk uoodaled wilh _ 10 die eonWIIinan1 -r an RID is only an -bullbull (wilb uncenainly S(lUUiinamp perhapo an older of _mle) of1 daily _ 10 lhe human populalion (lneludlna lelllidYe 1) hal is tikely 10 be wilhoul an appmiable risk of deleterious elrecS duriftl 1 Hl1ime (p 6-38) The RID used by NUS hu an uncenainly laclor of 10 lor methyl me1111ry (p 6-34~

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 3: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mardi 10 1993 PIamplt 3

IMiytical method deteetion limiu This is a compleldy artificial baais for eadulion of data and the entire compuwion of a set of bulldctecced averaaa il DOt ooly pcMnliea but also milleadlnamp since It is quolltd In be Qt

Thus when the entire populalfon of IIIII caUJIgtt for be IIUdy is included (258 In be enure Study Area 224 for Reachea 2-9 only~ be true reponed _ become 11106 (rounded off 10 3 sipfftcaat llpm as 101) for be entire Sludy Area aad 1()7 for Reaches 2-9 only both budy - be fOUIId aad dletltigtrlt -artgtitnrily-llpreoflppmldeeaedbyFDAaalbeaclioafewl Allo it CID be seen from thele 101a1t tbat gsr wampehrt of Jbc fllh 1 (367A in tbe Study Area 3$J in Relcha 2middot9 IIDDe) PM M detnlk - middot But witbout - data k is DOt-10-shy penaltiF of IIIII fell below lbe FDA IICiioa low of I ppm IIICRUI)

NUS did 101 -eerbe- folt dill - k ------FDAIICiioaiMI-Ioooly2511of -pod -NUS- In llfltlr_-shy - (FS pl-23~ dw

----IQIJ)--fallahshy----ofdle_ _ FDA-

Level for fa llab

lbefaldlal llleiQIJ)--FDAAltIIoalcwlalo_ __-cdloreoobllllfloe_bodJ__

_ _--_ ___~~~~~-_-- - of die apoaure oawtoaThe--middot-fa-J __actuallyiiiiiiK

die FDA- low fa all bulrwo _-- ao wbere be -baldy eoaoedcd die-- 1(15- aad Reacnoir 2 219ppm IIJallllbinini_of_(wbfcbarelbeooly ---be-IOcolculllelooc-rcrm-dreeu~aad- - wbfcb are ofagtUne- ooa llah NUS eueful1y - bias Into Summary die llall - shy- - _ and more wfdeapread - k rally fl Afao byCrrillc 10 -rwn areas only NUS is - 10 IMgtid mention In lbe Sonuury oldie fallllll the_ hfatllyconlanllnaled 11111- actu111y folmdln an (badltpound) location Cedar Swamp Fond wllicll also pur IIIII areas contamination ftaure - the FDA action lelld NUS reporu IIIII adloerae health effecu 11U111Q11wr without pOYidfna any quanrfwM julliftcarion in this statement

The RIRA (p 4-76 and Tahfe 44) In-res that many ish oonraln apan from mercury other siampnificant non-site-related contamination principally

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 Pqe4

PCik Arochlor 1254 1nd 1260 in ooncentruions u bip 11760 ppb Allo sipilicant wu a repeat oeeurrence of 44-DDE 44-DDD and 44-DDT [Ie the pesticide DDT and its b-n products~ DDE- detecrcd in OYer 15 percent of bb lillue samplea lllllyzltd andshyraqed from detelttion limits to 250 ppb

Ulrlt ntlttltylmertwy PCik and DDT biomultlply in the fuod cbaitt (RIIRA p 5-20) Ualike merauy and ill- ICBI DDT ud illshyproductsan --_ -the rllt- - ofbmnl - (HQI) lor-middotand-- -lor ICBIIIMI peoticidea

Allllottp the l1opooed IIIDs- - ~ ---(pl~dleRlolt _ _ --HQIblll--liiamp-IIJ-- --(IIIL-ofolliiampIIQo)oflldlo~of ~ (COCI) (pp 6-157 6-110~ -middotIllamp_ Tillie olltt - (1- 6-48 pp 6-1511 D 6-161) equol- DIIQo

11-no--illthe_of___----lltlt------shy---------shy_of HQs and apeclally- HQo ooly -- _ _ _ illcaltulaoittl the Iotttlt--shy- - ill -r 10 datM the HQs NUSs- ill ca1a11at1aa IDll IIQodutwd from_--- II --polldciiiiMI- and 1111 - ill EPAs lllllt-Guidance lor Superfund Humaa- Ewluation M- A

- (RIRA pp 6-157 6-110 FS p 1middot22 1-23) --ooillplythllliiCIQiryoonllllliaatioaiiWielpleadiDlla -r - lor concem than k II

Huant indica eaku1ated 1or a11 coca- ill~~~~~-

- durina the Rleaeed unity in --ofthe- shylor- surfaa water body eoallllled The eua - indude _ of- and_ COC--

Tbe llaard inda eakulated lbr IIIQla raqed 1too1 15 ( shyPond COC ooncentruions) to 120 (lOICnoir No2 shyCOC ooncentrotiool) wben the lublistenee lllllerman 11-red the receptor of ooncem The huatd inda eaku1ated for aUQCa JIII80d from 021 (Southville Pond F COC ooncentrotiool) to 17 (reaenoir No2 muimum COC concentrations) when the spons ftlherman il oonsidered the receptor of concern The HQ cakulated for mercury

Arent Fax Kintner Plotkinamp Kahn

MI Pamela Shields Manh 10 1993 PIamplt s

andor melhyi mercury QCteds unity in every cue that the hazard iDdct acecds unity

Huard lndlcu caJculaud for lbh liaut lamplllple _ from surface WMCr bodies downstream of the Nyanza she aced 10 ln ooe or IDOIC ~ praented

lhc followinamp is readily _ from lhc RJIIlt Summary llblc

bull Considen only HQs deriwd from - shyCOIIIInlilwioaYIIuaaYIIueof1iltllll-lor---In shy NoZ S- oolyb)bull and_ lallplllcoal (HO - 131or _lllormethyl-~

bull - ooly HQs-- shy- of11o_llr_ --- _llliiiiiiiiLIII - Alllloup -IIQ-9911r - NoZ-of4DIIIId33--b-otdlo bollplund -ry- 111111 Cedar_ a__

1--IObcnopiOOIbullIOdlc-ofdle--middot -- been --IIOdlcCOIIIrlry(MO--~ ParMa--ofHQslordlc---middot-middot-ne 1t1ot Summary -a dial adler _ coca u-- PC8a _ ooatribulelipiHicanlly 10 die caninopak aad ~ shy157) -~apinon________ - 1or of die mer- aa11 surface bodies- (p 6shy

-(where detltCIltd) for die lbhmiddotiapdon-- bull llflll bull 3D E-04 (3 In 10000) and 4D E-05 (4 100000) tgtr- aadIn llllleiiQ-IS lhe lgtlio- ltlliluled conWIIinanl---ln _ per ldlopwn ol body per day and a eoolalllinant-pOdllc dole (RID) lllhis raliole lhe 110- I dlen -Ill a potential health risk uoodaled wilh _ 10 die eonWIIinan1 -r an RID is only an -bullbull (wilb uncenainly S(lUUiinamp perhapo an older of _mle) of1 daily _ 10 lhe human populalion (lneludlna lelllidYe 1) hal is tikely 10 be wilhoul an appmiable risk of deleterious elrecS duriftl 1 Hl1ime (p 6-38) The RID used by NUS hu an uncenainly laclor of 10 lor methyl me1111ry (p 6-34~

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 4: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 Pqe4

PCik Arochlor 1254 1nd 1260 in ooncentruions u bip 11760 ppb Allo sipilicant wu a repeat oeeurrence of 44-DDE 44-DDD and 44-DDT [Ie the pesticide DDT and its b-n products~ DDE- detecrcd in OYer 15 percent of bb lillue samplea lllllyzltd andshyraqed from detelttion limits to 250 ppb

Ulrlt ntlttltylmertwy PCik and DDT biomultlply in the fuod cbaitt (RIIRA p 5-20) Ualike merauy and ill- ICBI DDT ud illshyproductsan --_ -the rllt- - ofbmnl - (HQI) lor-middotand-- -lor ICBIIIMI peoticidea

Allllottp the l1opooed IIIDs- - ~ ---(pl~dleRlolt _ _ --HQIblll--liiamp-IIJ-- --(IIIL-ofolliiampIIQo)oflldlo~of ~ (COCI) (pp 6-157 6-110~ -middotIllamp_ Tillie olltt - (1- 6-48 pp 6-1511 D 6-161) equol- DIIQo

11-no--illthe_of___----lltlt------shy---------shy_of HQs and apeclally- HQo ooly -- _ _ _ illcaltulaoittl the Iotttlt--shy- - ill -r 10 datM the HQs NUSs- ill ca1a11at1aa IDll IIQodutwd from_--- II --polldciiiiMI- and 1111 - ill EPAs lllllt-Guidance lor Superfund Humaa- Ewluation M- A

- (RIRA pp 6-157 6-110 FS p 1middot22 1-23) --ooillplythllliiCIQiryoonllllliaatioaiiWielpleadiDlla -r - lor concem than k II

Huant indica eaku1ated 1or a11 coca- ill~~~~~-

- durina the Rleaeed unity in --ofthe- shylor- surfaa water body eoallllled The eua - indude _ of- and_ COC--

Tbe llaard inda eakulated lbr IIIQla raqed 1too1 15 ( shyPond COC ooncentruions) to 120 (lOICnoir No2 shyCOC ooncentrotiool) wben the lublistenee lllllerman 11-red the receptor of ooncem The huatd inda eaku1ated for aUQCa JIII80d from 021 (Southville Pond F COC ooncentrotiool) to 17 (reaenoir No2 muimum COC concentrations) when the spons ftlherman il oonsidered the receptor of concern The HQ cakulated for mercury

Arent Fax Kintner Plotkinamp Kahn

MI Pamela Shields Manh 10 1993 PIamplt s

andor melhyi mercury QCteds unity in every cue that the hazard iDdct acecds unity

Huard lndlcu caJculaud for lbh liaut lamplllple _ from surface WMCr bodies downstream of the Nyanza she aced 10 ln ooe or IDOIC ~ praented

lhc followinamp is readily _ from lhc RJIIlt Summary llblc

bull Considen only HQs deriwd from - shyCOIIIInlilwioaYIIuaaYIIueof1iltllll-lor---In shy NoZ S- oolyb)bull and_ lallplllcoal (HO - 131or _lllormethyl-~

bull - ooly HQs-- shy- of11o_llr_ --- _llliiiiiiiiLIII - Alllloup -IIQ-9911r - NoZ-of4DIIIId33--b-otdlo bollplund -ry- 111111 Cedar_ a__

1--IObcnopiOOIbullIOdlc-ofdle--middot -- been --IIOdlcCOIIIrlry(MO--~ ParMa--ofHQslordlc---middot-middot-ne 1t1ot Summary -a dial adler _ coca u-- PC8a _ ooatribulelipiHicanlly 10 die caninopak aad ~ shy157) -~apinon________ - 1or of die mer- aa11 surface bodies- (p 6shy

-(where detltCIltd) for die lbhmiddotiapdon-- bull llflll bull 3D E-04 (3 In 10000) and 4D E-05 (4 100000) tgtr- aadIn llllleiiQ-IS lhe lgtlio- ltlliluled conWIIinanl---ln _ per ldlopwn ol body per day and a eoolalllinant-pOdllc dole (RID) lllhis raliole lhe 110- I dlen -Ill a potential health risk uoodaled wilh _ 10 die eonWIIinan1 -r an RID is only an -bullbull (wilb uncenainly S(lUUiinamp perhapo an older of _mle) of1 daily _ 10 lhe human populalion (lneludlna lelllidYe 1) hal is tikely 10 be wilhoul an appmiable risk of deleterious elrecS duriftl 1 Hl1ime (p 6-38) The RID used by NUS hu an uncenainly laclor of 10 lor methyl me1111ry (p 6-34~

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 5: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fax Kintner Plotkinamp Kahn

MI Pamela Shields Manh 10 1993 PIamplt s

andor melhyi mercury QCteds unity in every cue that the hazard iDdct acecds unity

Huard lndlcu caJculaud for lbh liaut lamplllple _ from surface WMCr bodies downstream of the Nyanza she aced 10 ln ooe or IDOIC ~ praented

lhc followinamp is readily _ from lhc RJIIlt Summary llblc

bull Considen only HQs deriwd from - shyCOIIIInlilwioaYIIuaaYIIueof1iltllll-lor---In shy NoZ S- oolyb)bull and_ lallplllcoal (HO - 131or _lllormethyl-~

bull - ooly HQs-- shy- of11o_llr_ --- _llliiiiiiiiLIII - Alllloup -IIQ-9911r - NoZ-of4DIIIId33--b-otdlo bollplund -ry- 111111 Cedar_ a__

1--IObcnopiOOIbullIOdlc-ofdle--middot -- been --IIOdlcCOIIIrlry(MO--~ ParMa--ofHQslordlc---middot-middot-ne 1t1ot Summary -a dial adler _ coca u-- PC8a _ ooatribulelipiHicanlly 10 die caninopak aad ~ shy157) -~apinon________ - 1or of die mer- aa11 surface bodies- (p 6shy

-(where detltCIltd) for die lbhmiddotiapdon-- bull llflll bull 3D E-04 (3 In 10000) and 4D E-05 (4 100000) tgtr- aadIn llllleiiQ-IS lhe lgtlio- ltlliluled conWIIinanl---ln _ per ldlopwn ol body per day and a eoolalllinant-pOdllc dole (RID) lllhis raliole lhe 110- I dlen -Ill a potential health risk uoodaled wilh _ 10 die eonWIIinan1 -r an RID is only an -bullbull (wilb uncenainly S(lUUiinamp perhapo an older of _mle) of1 daily _ 10 lhe human populalion (lneludlna lelllidYe 1) hal is tikely 10 be wilhoul an appmiable risk of deleterious elrecS duriftl 1 Hl1ime (p 6-38) The RID used by NUS hu an uncenainly laclor of 10 lor methyl me1111ry (p 6-34~

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 6: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt6

sponlisbermen respecMIy in the bacqround areu (Suclgtury Resenoir Tlble 6-11 p 6-69~ and IJ E-03 (IJ in 1000) and 18 E-04 (18 in 10000) in the __ areas (FairhaYen Bay Tabk 6-43 p 6-146) There b no specillc dilcuuion of oon-sitcmiddotrclated ecu lifetime caacer rilkl in the Risk ~ Summary 10 thai

In all cases preaenled risks uaocialed wilh other Suclgtury RMr COGIIminanll caeed - eadnllled lor Nylnza Sl1lt COIIIIIIIinaals (IUIRA p6171 FS p 1middot24)

While 111mb _alble- in the Sumnwy oboul HQs IIIII 1111shy-oldlelipillcaaccol ______11lt palltr dlaa oally specillcally aimed II lilc-4crMd menwy domla DO

wbldl-dnoltbcrcducediJ71udbcroa-tilc- Tbioil llllpriiiDamp- in die-of-Bay for - -2 )onlonof (foroponaod ___~

--EPAbull- 1cw1 forolllo lIJOOAJOO-bc Npldod bull _ - - lo of die rlaquoP 40 cFJliiiOOAlll (t)(2)(1)(A)(2~ --oldlo Njooll -- - _ die__ oldie ____

bcry

f fCTIDN Of PBfffBED ALDBNADYE

TlloFS----for-oldleshyCoolllluioa-- Of- rrus for - br EPA ilr odalloa for dlellopoood Pia We - 01 die FSiDonlcrro die- ofoU--bulldle-ol -die rlaquoP

CAl Dccwixgu IFibr

The a of the- 1111oo plan 11 1C1 Iordi iD die PS IIIII die

PIOpooed Pion - ooly conllnllnadon cauaecl- - - dieN)onzalilcllld-IObcll- (110_ __

from -111 illfCIIioa of or dermal coniOCI wi111 -red --bull die Conlinulna Souree Arell (die Suclgtury RMr - bdoc 100 deep ilr shyiopllion or 10 oaur~ (U) 10 prooeclt __ -- beoldl efteciJ from mestion of conllnlinlled lsh (ill) 10 prooeclt- lllllermm from similar adYene heallh elolu and (iv) 10 prnl an - in die contuDinalion of the Sudbury River caused by an inftus of contllllinated ~ from the Condnuinamp Source Areu

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 7: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer PlotkinampKahn

Ms Plmcla Shields Mudt101993 Ptalt 7

The FS conduded llw Jltduction of menury cooWDinldoo in lhe Conlinuiac Soune Alas lo 30 l11lkl of scdimenl would ofer JUIIIcienl prolecdon oplaR

beoltb risb rauldna from IIOCidenlli inpioa or dermal CIOCIIacL -middot lbo1o11cgtwiJ11 are 1he Pled menury cooWDiDidoo levds in In lbo Conlin Soune ARia Eulem Wedlnds 36 Oulfall Creek 36 ~ lt1 lower Raceway and Trolley lroollt 1101 liiCIIUrCd (IUIRA Tobie 41~ The dllaln lbe RA (Tobie 6-17A RIIIt Aualmenl Rauill fgtr Scdimenl _ Scawios Eollem Welluds p 6-81~ deorly tllow DO oipftalal riskshy- dermal CODiacl nor from lltlCidenlli lnpodoa II lbac cumol

- lewis bcllao ocbaw Ia lbo RA-middotNUSwould- bull s-ry (p6-171) and 1bo FS (p 1-24~ 1boy-

Wllb -- buanl aad--- for lbo----dDDDI__ -----fgtrlboCOC-shyIollle_W__(___)

aadaUdlildil-recllbo of- (llldlia-llle ------ shy- lddDey - shy--- fgtr-(gt095~)

11111illllilleodlalor_lo __ lfllirallllce-

-- - - COIIIIouiDamp- shy

Specillcllly

(I) lbe-ofllllilllla--10-HQallllilbo -of-IIOoiO-IIIelllil__ -and_of_llllbo-11- NUSII --- Ie (dull shy - for 1 pulicular -~ IIIII ClllnpOiadllc k CMr _ lllli loonloriO- shyTo_ad lhla _- -lboylllen- the risk ron _______lllllpla They (die IIOo) dloa oblliaed - - fgtrshy

- refer 10 the dlftlcully poaed by- lndMdual dala poinll middot-of dala- beaer - dilubnion of conllminan11 (RIRA p -1-75) This- ofllliq maimiUI coneenlradon values Ia alao eon1rary 10 EPA GuidetiDa wllldt dellne lbo value fgtr _ concernradon which slloukl be Uled In lhe calculllion ofriskuiOIIows

Elfn-r ~ The concentration tem in the intake equation is the arithmetic aYCrqe of the CIOflemtration that is agtntacted OYer the cxposurt period Althouamph this concentration

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 8: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner PlotkinampKahn

Ms Plmcla Shields MaJtil 10 1993 PIF8

does not rcOcct the muimum concawation tbal CXgtukl be contiCCed at any one time it ia reprded u a rcuouble Clliaaaampc of the eoncentradon Ulltdy to be CllllllciCd - lbilll because in 11101t lituldonl =nbull 1cw-wm 9yenWi pidl tbtF rwimym mpqoratkvt ia PA mmneHc

(EPA RIIlt -tGuidlnce lOr SupeJfuDd - Hcaltlt EaUilioa Manllll Part A 1641) (Empbaoll lidded)

(II) SDctherilkiOroo_orpa-YIOd_IIQo_bo-lOCO lO the --(RIIRA p 6-lt12~ IDpoerolterm~toa-~Hivoluclbal-lllliiJia-and- (l1tc ~ IIQ-Ia093 (lor -~and the bit~lt_ Hila 11 _ ------shyno rilk -middotbull --_ _ k middot-middot the-wtdtlbo_dlal_boatlllt__)

(Ill) Iolbo-al_NUS___ the IIQ oblllood lor -II022 (- at -~a~udlboltipaiHIIoriiOOCc-shy1111--ailemiddot~ II Cl281or lite- -OR_ below unity

(tv) 11le laal -- dial - lodoLcquolllllllty (gt9$)--but shy klll_tlathe-shy- of-Ill-- (RIIRA pp 6-88~shy_____the ____thla otJIIHIIOdc Hlvoluc ~[lie[~_ _ _____ 11le Eatem Wedaad-- lite [HI)shy lor lite NJ-a Sloe-- dcloctedlo the- Ill-cleuiJ-that-lorodler-y--middot- _ tua arellill cleuiJ llll- unity bowewrshythe oaarpn Once NUS it -- lObe lltttgtIJlttl the - ofa rilk when none II then

Ill1-of the bonleri - In the pmtous _ (RIIRA p 6shy171 FS p 1 middot24~ NUS lliiCS that IIIMne ~ bealth ellecll on uttidpated when IIQo or His (colculated on 1 o- spedllc bosis) aacd onily lbilll ltwhat of a dislonion EPAs Rilllt -ent Guidance Manual Slates

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 9: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer Plotkinamp Kahn

Ms Pamela Shields Malth 10 1993 PIamplt 9

The [HQ) that there is 1ieYd of aposure (ie RID) bckry which It is uplikcly mr MD IWidye mpnioobull tp qpcricncc ldrsnc byllb cfftdL If tbe apJIUIe kMI (e) --a his threshold (Ie if EIRfD [110) - uaity~ i11m-Js m for polltrtlial rtOOCIIICCf dfau AJ 1 rule the paler 1bc value of EJRID ttboYe uaity the pater the leYd ofconcem (Emplwil added)

Tltil illllll lite Utyiac that -healdt lllliaiiiWImiddot

NUS ooacedcl that the aposure - _plioolltllde Ia 1bc aposure - IR middot-Mtliw Ia DIIUR (IUI1IA p 6-174~ For I IIDII (33 lb)cltldilllbc- ocatario forGIIIflle __ Ia 1bc c-lattina Soune- lor 2 0 _ ofshy--bc--lltd--bc--(IWRAp6-540gt

6-J Tile- iDFolloo- middot-be1bc-- Eiftbe_~- NUSbull ofl - aposure rilkilllbc~-- k_ _ -lor __ __ _-~~~~~-middot---- --shy-edinarom NUSo 30 __-36 aod _-Jalder-- oflbc Coadouillcshy-iiiOIIIortoprocectapinll-delmai--Of of - Allduldtit_IOC(IIilc_bcl-illdto_ ~ ill panicular 40 _ Of 1bc shy-Ogtlllourl5tliattla (The _ _of IOdt-----byI- cltld illlbc Coodottittc Soura Areas - 1101 be -- If dtila - could bettpoed )

It - alto be ltraocd that 1bc - oflbc HOt lor lOIII IIICrttlly and - tile volua of the till lor udt loatdoa ue depatdent 1bc RID ltdected frooo doe HI NUS- tile amatl oral RID (-) lor iltolpnic IIICrttlly and ntedtyl ntenUry of3 I 10 (JWRA p 6-34) ill colculolitta HQs and HI~ _ lillllalll memuy II COIIIidenobly lao 1011lt dwt either memuy taitl (lnorpnlc memuy) or tttetltylmemuy (CIOIIllnttedby NUS on p 6-33~ and lltould require 1 -rably lowltr RID value if ILIIiiMk Therefore since the principii form of menuty contamination in all - but the fislt is elemental mercul) with Yet) Utile methyl menuty delected the already low rilllts from iion of or contoct with sediments andbr wttter hiM clearly been OYOrellimated probably by I wide IIW)in EYOR in the cue of the most coataminalcd fish at Rcserwir No 2 fur cumple an appredlbk proponion of the total mercury remains elemental and unmcthylatcd In this cue therefore the risk to ftshermcn has also been cxaaeratcd

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 10: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Marth 10 1993 11amplt 10

Thus there is nothlnamp in the reaults of the resident exposure scenario which would warrant tbe on-site remediation called ror in the Proposed Plan

Since the Conlinuinl Soune Areal lhltmJCIYa are not populaled by IIIII aod theRCore cannot be pcnxived 11 a dlmt food-chain threat 10 either bUIDIDI or lllh-ealinl predaloB the iltYel of procccdon cllooeo ligtr sponlbllermen (7 merauy in sediment) wu dW calcularcd u belliamp rltqUirltd ligtr ~~~bini IICIMdel ill the Sudbury RMr iudf iloweYer u dilcuued at the bqianinl of Ibis leucr dlo -IDihcRIJRA-dlatlhc IIF --in-dio cadre INdy area ond die-area- dlo FDA ICiioa IMIshy~ ond the clllcrence- -11 po-y llllildcolly iaolplllciDL Tile hpaiiiQ lor- lor dlo -- shy-at13(- No 2~ Is of--_--middot-llldlhc____ __bull--dee- aod of_-- shy___aod__ - lhc--rtot---shybullICIIISdllorinllal- U--dlo-rtotbM --Bor b lor 1M__- II Ulo 101100 (IIDSSSO)wllidc-bca-- IMY-ooalcily r111r _----by_ -middotdloNJ-IiiL

Tile-of-_middot--middot Ibis leucrlo - (A)(c)(U) IIIII (8) llulllcc k 10 11J at dlllpolol dial die end10shyofdlll_of_ - shy---JMk-dlatlle_pllllllo __ -of-loJMk_ln (ltllfarfronc_ ___ ___ _of_ -norbcoonsiscem-dlo-~-) Alllloulltdlo ~ 110 ftgtr nury lorlhllpoup-calculatcd 10bc9911- No z- cdaiMiy hip- - in - by Hr- -ir Sudbury RU (40) aad Cedar- road (33) _ shy-froncoon-tilemiddot-~wtdebooceopln-muin-by remedial IICIMdel at Nyana bip (- 13 E-aor I Ia 77011 Fli- Boy~ llld R11J U bemiddot- -die hmrd qoodltnts This fact -or nor ay adclrltMd Ia dee fl or Plopoood- Inaltstion of 0054 kamp of lllh per day 3SO daylyelr (Ie 417 poundolyear) lor 30 yean ZSll of wtcich comes from the Sudbury RMr (RIJRA p 6-al~

liThe nposure lttnario for sulsttnce fishermen provides lof I daily CORIUI1Iplion of01l2 kamp lllh per day 3SO ~r (Ie 1018 poundolyear~ lor 30 JUB 7Sll ld oome from the Sudbury River (RIJRA p 6-al~

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 11: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

__ _

______ __

Arent Fax Kintner Plotkin amp Kahn

Ms Pamela Shields March 10 1993 PIamplt II

Since the hiahest averaae (reponed Illltmiddot not the spurious deteaed mrqebull) conccntradon of mereury in tcdimcnt ln the Continuiq Source Alai only 36 JIIIIltamp minor incunlons rom thealt Aral of 11111111 ~ of -t_ted durini1101111ltWIIISMMampIdbaYeno- - middot eftllcl oo the ooenoll mertUry levdl of the Slllllwy Rlwr eidler Ia the ourfoce water (wherlt it rauinl 11 undelcltlable levdl) or the-_ No eWieoce has been preaented 10 the eonuary The Conlin Sourlaquo ARa cootaminatioD would need 10 be an order or orders of mapitude paampcr IJr it 10 -~-m-inRMrWIIltfaad

-~ 1-s the lena CoatittttiqSouneAiwtf 111- IIIotllfthe RMr eunenlly- the ledml- Wiler Qullity Crttcril (AWQCI) for aqullilt Hit rqxgtned by NUS (fS p 2middot$) 10 be 2A IDd 001211f1 for acutellld duoole lmll h wll-ue10-tbaoshy--oftheContinllinaSoune~ ~~--noshy__thllinordetiO_II_IDdlodoniARARI doeshy- lt-notlllllt -)- the-AWQCfor- the _ wbkb bull 167 pwcr -middot - MQ tpn t(2

-MC1of2~1Ddll__ of _____-w-r--auldrtnltlllc-gt-bullbulldrtnltlllc

- - -- - CatttittuiiC- Ala - eidler a below the MC1 or- Not eo-d (IUIRA Tillie 41)

- NUS 10 apply dlil AWQC 10 the- W-IDd Oodll1 Crltdt (FS pp 2middot2122 2-24~ _ the NCP that Wshyqtllllly eriteril esubllobed Wider- J03 or 304 oftbe an _ Ntshybe Mllined wbcR yd ypdcr thtc Am=middot- Qf dwmbull 40 CFR tJ0()4JO(e)(2KIKE~ Tbc _of shySIJOOOOOOofpubllc funds (the ltXgtIIof Allenudve IIAr- I or 2) in older 10 _ 1 eltroale AIVQL 167 - lower thin hWDIII drlnliiaa --for non-ftth-lleuina bodla of -nlyenipble _ Ia shy ill far rom bciqreieYinlllldopproprille under tbe ciraunstanca of the rdcale ThustheNCPshy

(C) An allemlliYe thll does not meet 1ft AllAR lin thb catC

AWQC) Wider federal tronmenlll or owe t-111 or facility tilina - may be tdeeted under the ligtllowina clnumiUnoiS

(6) For Fund-financed response actions only an alternative that attains the AllAR will not pnMde 1 bolance between the need for protection of human health and the environment at the site and the 1ailability of Fund monies to respond to other sites that may present a threat to human heal1h and rhe envronment

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 12: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner PlotkinampKahn

Ms Pamela Shields Manltl01993 Pqe 12 c 40 CFR 1300430(f)(l)(il) lllorltOYltr NUS hal IUicd (FS pl-26) thai lbe prinwy lhrws to oqUIIlc tile (aport from menury) are llumin DDT DDD DDEIIId bil(2-elhytllayl)phlhlllle (all IR1middotbullmiddot111Ncd) 1be duelllco IUdace woter-4rta11iai birdlllldanimlls ziacllld~)plldlllole (lloo IDtis=Wcd~ Ellalsie llld COitly- of lhe ~ Sounc ~would haoe no eftut on leYds of-lllljor _

1be llnl oflhe able crileria lorCYalualioa ofcaaedial AllerDIIha uaderlhe ___ llldlhe ______ _NCP-dcll-lilolbe-tco--lheJltM

P- t untouo ltioour ~dell lhe ~Sounc

~tolbdr--- rilllllld _____oriOdle-llldllllla -of-lad2_ao___

---~middot____ ------lt-middotdie- shylllll __llloa_______---doe NCP lbeCIII1IDIII- bull - 11J

_-tlbeirOWD-- bull pi I __ _________ __ 0 - --_ 11300011110 to ----middot IDdlelMooflhe-llof-llld--be-811yllloodlepNfornd- -----k---

fJ

llole aloo the followiiiJ current EPA policy

lflhe- rille- llld lhe agtncpariooa of shy

-t ooocencndons 10 dcencicoHpedtlc - ~ thai lo 110 _rilk_healdiOltIhetllldthuao mnedlal action is -led lhac lhe CERClA Secdon 121 -p standard5 ror selection of a Superfund remedy iglydlps the _ 10 meet mgtiAMc or rdmpt IQd aoorpmiaampc Yrsmcpg lt are not tfiaered

(OSWER DlrcctNlt 9355030 Memorandum entilled Role of lhe lladlne Riot in Supecfund Remedy Selection Dedsions Don R Cay AJiiiUnl

Adminlslrgt~or Aptil 22 1991 p 6)

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 13: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

ArentFox Kintner PlotkinampKahn

Ms Pamela ShJdds Mardi 10 1993 Pace 13

QU 1bc SUC filr Kkpound1igp of apotbcr Altcrrwiyc

Alllloup remedial aalon beyond thai praented ligtr Ahenwlws I 01 2 Ia t llld Ia not COIIIialalt with the NCP a--y pooitioD Ia benibJ praented in the nt tlw the arpmenb apitgtlt lwtber -

Tbe Proposed Plln praenb 11A u the PreCemd AltentotM for r- ttdloa lltklmoolvathesdationofIIIIIOCIIocbertltlaCotheaueofllltflltl shy(boclrpgtuod) 11 die T ClcaDup Itwl Aa apl-cl Ia (KHIyen) below dtla 1et Ia bodt -arily low in terms of- procecdoa of- shyllld die aM-~ llldtdeadtkally- aad uttlllpiiOtted

Tbe Proposed AhenwM - of die cop aad _ of_2-of die 1111_ for up to Z2-- doe- Tlto_________ ----of--ll02)6-al10-ofdoe cop t ofdoe- 1811 Mllflllllod dlol --ofdtla-ltJEPA-be doe-ofdoe - Fordtla--kmiddot------ shy-- _ tojoaed NUS ID doe N prior to EPAa -- ---a-IOjtiiiiiJdle _ ofpomk - tetell of- aad- of Ntlh--forrojocdottof-shy

TodtlaS-711-IadoeiSItal-- 11lla - - doe dretiPtl of TlaloJ -OoiM alt shy_ it-11 -ofdoe-~- shy-ftofdleiOIII ---IIA _ ~of-- it liB)-___- -117 redopoaldon ofdie- -no~ _-ofashylltpoadeduaaofthe-w- llteftwoaldbettlljorshy

bull Tbe Mcpnllo HiH- would- _s aad (II prdened by-~ in coau to dlelituadoo in- 11

bull Dredpta- be reduced tomiddot~ 01 ~of t1tat required inshy11 -ra~~~y reducini heagty gtdticular trolllc on and die lite

aad thereby mlucirtt - the prollobllly of- - shylloo the cJanaer and nldaanlte to local ralclenta

bull While the cost oft extt11Ctio11Jo11 Wlllllinc of more tlwl20000 cu111c yanls of -bullrial caused Altltmatiyenlt JA to be rejlaquoted in lrlaquogtr of 11A the

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 14: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

c

Arent Fox Kintner PlotkinampKahn

MI Pamela Shields MardiiO 1993 14

additional cost of treallna ooly 1 small fnaion of IIIII maoerial (Jil7~ cubic yards) would be rltlalively mioorgt

The IAlUI dearucdon of lhe Weiland as it curreolly eailu -by Allemllive 11 would be IYOided laalead IWO feet ofltOYer (lilt lllld paYd andor IOpoOil) would be applied lhua pmenllna dlnct bUIIIIII oootalt1 wilh lhe oooWDllwed oedimeoll pmenllna mlpalioll of lbc OOIIlllllilwoll (and lherltby eodlq lbc of lbc Wedand as a Coaliouini Soune of IMr ooollllliaolioa~ but ill _bull 1-The - lhould be compleled In -rably leu - 22shypngtplled - 11

Wlilc NUSdldiiiii-OIIIInlbcfSIIIc- krejoclld kill--lbc-dllllbc_of_7__ k _____ -of--lbc--of-11A _ _ ________ - _ of SuperluDd (_) - _ shy

ofpadJ -ICIIIIIDy ofal pulllc

NUS- Aloe_ 7 oa 1bc _ dllllbc _a oflllc --(In doe ponded oflbc 1Mom Wedoad] OJ- shy---middot-middot NUt-tgtr ----middot-doll k - bull_(Ie )-middot-lnNUSI--11111-11111-dlotlbc __ ____ _~-shy--lllllbellted The-IIIIINUS- 11111

-aad ___-- - -be--The inlqrtiJ of - be-- by 1lanuoolli aad ---middot 1belc do 1111 jullily rojecdon of - wilhoutllulber --middot

NUs- IUIJiriliaiiY on lhe delalil of ofmenouy by dillshyThe opecillc trlt11111a1t of aedilllalt oooWDllwed - such 1 unique liquid tBCtal1ic element ld surltly be quitlt dltrerltot lront that uaed lOr material Q)fttaminated with the more common orpnic pollutants or raetallic saki It hM 10 be assumed that NUS has alrady researthed this maucr since it pnMded a opecillc per pound for the unapedfied trltatment HoweYer delalll of doe tratmmt should haYC been pruoAded in order to add more credibility to the AltematiYes lor wtlldt k was ll e 3

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 15: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fax Kintner Plotkin ampKahn

Ms Plmela Shields llardll01993 1lampe 15

Tbe proeea of applyinamp a sediment COYer hu proccdent under spafllad In tbe 1184 ROD for the Hudlon Rhltr PCB Superfund Site (EPAmiddotID NY910763841~ the tladiap of wltich were later conllmled In the ca-t Docno (atl Aldoa No 9G-CV~575 YPitpi SWg y Qtncgl Flfampampri Cmrepy dlaed 9Z1891fped 51190) amptensM PCB conlllttlnotlon- fouad In 5 apoaod lltordlncshydcpoaits wltich lay 1n the lloodplaln of the mer (aa - tbe Eootcm Wedoad 1n tbe- of tbe Sudbul) 1hltr) Tbe principol _ c1rect- br -of the pubUc and--of-- tbe- tbeMr Tbe--(1) ---- ~(SIZ~ and alarJe _ oftndlt tr1pa IIIII- -middot _ dloctl (U) putlal r- wltldt- d ~ ($911) Mill tile __11(1~ and(W)In_llllllllttf21ootof-EPA ___ -bullbull- orsz--tbe-t mtbeROOllll

middot--m_-oftbePCB I dshyclopoaltllla--_ tlle_ - - llll-poaodbrllll shyclopoaltllhaw-dlottlle--11---___ __tbe-ofUtltDd_igtr

Tlte- prillelpla -be IJIIIIIed to tbe Na lllcltld- 7-be tile- remedy If In tbe- (al --tileshy--flllat-polnttbe - __be__ Tbe_ ___ --- be-- shybullmiddot--or- - llllcoptoshy-FF-- -tile -ollllelocolraldcoa-- 11-ri -middot ll_onlytollleW- -7 tbe_ --lt-r t _~

(g De 5W tpr Alcfmedyc JJC

- (a) and (b)_ preaent sulllclent ltJIIIOalt tltal AlternotM llln _ -not be the llnll- remedy -r--shyIn tum be rltjeeted a dlird poo1t1on is llerebr praentcd In ofshyII 1M with laa llriqenL laa dlsruptM and laa ~ deonup pll

(I) fMNbbmcnt of TaiCt Ogoup lpcJ

It appean from the FS that the alternatlw TamprJltI Cleanup lcYltb (JO mA

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 16: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer PlotkinampKahn

Ms Pamela Shields Maldll01993 Poael6

7111fka or I mJikamp of mercury) were derMd by NUS UJinamp simple nwhcnwicl1 models are approximate and are not supponcd in the teduUcal literature (FS

- SW1UIW))

NUS _ llw the principal pathway br direct buman 01pOIUllt 10 COIIIIIIIiDIIed sedimeniS is from oaidealampl inpdon or dermal agto applicllgtlooaiJ In areas where the water is oullciauly lblllow 10 permit - 11 In lite Elllltm Wedlnd Their risk -t calculllioos iDdicolc llw a deuup p ollO -1ra would ellmlaale _ risk from this podtway

ol ltOllllalinaled l1lb u the only - 10 bllllllll shy

COOiidelllion

U - lllll)lil NUS thea co1cu1Ua lite larJOl dCiaup pis for -~ aediJMnl wllicb would be prolltCIM lor (a) a -- and (b) a - l1lbemtan (IS p 2-25~

Tbe--lora ____a

tmm p1 QfllowFI wllldt- lilt- 11 -for this-middot lilt_ --lite- -a-dcMuppol7- -- shyIn- hagte- -rm1Dec110 be- I for lite OponWo Uak m -a-Aaioo olljociM belowlloclopouod-II inlpnlden~ and nocllte poliltJ ol EPA (Eatpllallladded)

1llcrdore lilt -t _fora-_ II lilt 1loclopouod-ol- I oi--Tbe ol the - dcMup ol7- lo - be olthclpgtft--- -forllleshy-on ___T_Ciaaupt-

iacludint bockpgtund

A- Tuaet Claaup Ul of lao than 11mgt is_ wbile ashyol- thu betqround is poinllea and rltYUis the invllklty of theshy

-for the IUbsiolence flsherma -middot 11 NUS- Allboupshy-be a adaulflc or- -for de- of the altcrnadoe dcMup of 10 and 7 (bul dispulltd In Ollt _~ lite prelorred p of I mJikamp caonoc be Pltd In this - ill- II lOliiJ arllitrory and ladls iop Akhouah NUS- noc -k it in 10 lllOII) - this l1na1 flampure of I mJikamp was bolically pulled out of the air it shyoalJ the iowa~ lbWDIIl anainable cleanup leYeL

AddilionaJ iruiJht into the bosic irMiidiry of the pRIltnod TaJltt Cleanup Lad is praented in alener dated May 211992 from Sllllll Svinlry of EPA 10 Km CarT and Stew Mierzykowslci of the Fish and Wildliflt Service (This letter was

0

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 17: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kinmer PlotkinampKahn

MIPimda Shields Manb101993 PIF17

Included wirh the fll in lhe YDiume entilled Adminlsualive Reconl Addeodum L Volume 1) Ms Strsky wrices

The principii iuue uila in the need lor a oecMment deaD-up leod(a) for

-in al remedial allemods in the fll -- shytherilk-lllliDampUteraiUniafonudoa-lblliJIIalll lml wpyld be kMr tW hlskrpypd PDPtredma bull he - Pan of the- with this- II the 1iP1J- -oldie Utenlun valua IIYallablc lor in the IIIOddliDamp ofdeaD-up- _ the-ofllle-apoelllc-lllilleddleaile_IDpaclaHp lnd of 10 10 the coollaCIOr for in the fll of_ aad with DO bail ocher ban diHbillty

1-llloo the AtflfiDtobcloapolidoiiiDbc- dlertolc -------dle-shyMgtIIIaldlertolc ____ - shy -_ gf t

~-)

l)o_- _ -r---(--)lnddloathc~bJNUS

(II) lbulliflradpp 6x 1)qcl Qpw 1m1

De - of die dlree T Claoup (I acetl)-- 1D -the the only- below dieshy--of7 q the ltypolbcdcal--middotmiddot l1len-1Dbc-Jyno-ofdle_of_JIOOIIIltwllokll _IIIUIIIltdintherilk-lllb-the--ofshym de w yw yet 1000nlaamp to a quote in the Public Mcedftll _ _thcFS--rbcen cwtabJiocalshy

-middotthen_ be no real lrlldldoo- of1efjllmare local --tlle-oinannalocllted-rroutbJdlc-DMoloa of- aad Wildlife k- 1D be_ cadler banshy--- an accM and die rarodced 11111 an eenoin1y nor of _10-we COOIIIroa theaoclmenl Theshyill the ~ Plan thai hillorlcally rhe Rhltr hal been used lor aport bull- as a np1ar of food lor a popu1llion of newly emlpaled Inner city _auneced bJ the Rhltra bounty and_- _ 1D be an _on in the- ofrheapon lltllfnamp and0010plelely -Inthe Cllt or subliltence ftshina and riwr bounty Al one local mcetina sewlll older nsidenu publicly remarked charbull 11 children (ie many decadea argt~

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 18: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner Plotkin amp Kahn

Ms Pamela Shields Mimi 10 1993 PIamplt 18

they had bun warned never to swim or bathe in the river under such circumstances it is hard to believe that the river hal historically been rcprded 11

a 51cnillcant 100nc of food Additionally NUS reponed that their IIIII tea bulloften did not hayene an lbundant catdlbull even when armed with boatmiddot mounted elotlroshockiJtamp equipment and ampIll- (RiiRA p 2middot12~ l1ley alao reponed that Mttdl of the Sudbury RMr is uttJUltable ror trout and moot Olber 1p0rt lllll due to low dillolwd -laeis In arou of the RMr (p 3shy18) 11tillnfoi1Dilioa hardly the conccpl of a bouadful mer

(Iii) Help-bull pi_ dcenyp IIIII

Clelaup to lgt1cqround leoel (I - menury) u attdlalooeshy--cd lite is a Y tlllrcrmt -r from cleaoup a blre- 11111111 batipoulld (ltamp 7 or 30 ~ - k lmpliea - IOOl - ol---that-bewltlolrtllopenotl ltla _tMINUSidttbotGcy-abletD--dlla--shy

-----oftbotlolt- of-aaioshytlr the loot I ao- bodipgtuod- -_be totllelowol-- --- -lloot41ootOflloot -plooMd(Of ~ Attbe _ _tlwattdla--lotlocd~ If - IIA adopted aaln die PmpoootiPIID die-shybemiddot----middot -middot--ofshy - dllpooll- lO point of- the- capadtJ llltl 10 be- -die Mepnlro fill alp (I- -aY lbr- ----~ 11-to- tbottbo- TIIJI ~ Lampwl- II -J _- ARAIIS tpOdllcaly the 0aa Willer Aao- W Ouallty Ctllerioa (AWQC) of0012 -~of bullmary NUS to loti a --toerarry -In-lltdln_IUifaco -but-only

__ toptOidea -of___bull Y low-middot -r fRr olgdw the shy

middot-tlw ptOideptOIlaquoltIon-tbe-lpolnloftboAWQC llle-yleltledavalueof4tOemuy in tedbnent to meet the AWOC Jdlih bull or bull gpl rsiMc tg the fXMTRIJfign Lbal M)Mid ogyr lo the parflec JrMCr (Emphalillddcd)

(FS p 2-24) In other -do Iince tbe1lt wu no reaaonablc correlation shymercury concentrations in sediment aiMI in surflcc water the WJtt value of 45 mltnury in sediment proposed ror achlltvil the AWQC is probably no better than aue-gtrllt and Is apln scientillcally lnlupponabk

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 19: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner PlotkinampKahn

MI Plmda Sblelds Mold 10 1993 PIamplt 19

Thus the TII)Ct Oeanup leYel of 1 milkamp Is unjustiamped either in 1erms of Jdentillc -or In terms or rca1illilt - or tbc apoocd populadon EPA sllou1d tbcrefore reconsidcr this matter 10d ldect a Tarpt Cleanup lt110-- 30 lllflll propooed In AltcmaiM liC

(B) fwtbcr Su+ of Swhuy Btycr ConymjDNipg

1be Propoocd Plaa - tbc aallon of a Fourdl Ope- Ualt In onlor 10 pctigtna addldoaal on-~~ llld lllb In tbc SuciJury RMr 10 --middot-cleanuplcalhatJd--10--llld tbc- lbr RMr Aleamp A llaallallltdy- will be made lbr RMr _ ____ __- - 00 - addldonal -middot

-itlllouldbe-lblllotbc--oftbc__~ Ulit JVoo-_ p-be----beJoold tbc _-~-of-----shy- dldr CIIOba llld k llbould cenaialy not- on bull____ _ __middot-= d llldcoooplllllr-- -ofshy-------__----- mcnwy~ Thus lhe - 10ID die Propoocd Plan lllould - 110 dian _ of tbc - - pofaraedf fortbc- of tbc-- be juld8od on tbc- of- of die~ _--middot 1be-- could be- bulldie~- 6 lnAIIIIood-bullllillll-ofi0-101J-of_nmiddot _- bad cauoed -- of die oriplll of OU m llld~ofrMr-IOtbc-OUJVua-

-middot dredplc could wei be_---wldodle_ofltMIIJIII relatMIJ- - IIJerlaid- 10 die period of - die -- and wldeoprad dilpenal tht tbc river of of tbe aJIIIalllinated -t llldt and tbc need 10 displle of a - quantity of dreciF lpOi dlewhore (A lliml1ar condlllion - drawn in tbc Record of Decilion for tbc Hudoon RMr PCB Superfund Site dted -bullmiddot)

Such enorniOUIIy apensYe 111Mty panicularty if undertaken to creue an incrcmental layltr of protlaquotion from rislt daipled IOkly for the beneftt of middot-cnce lllbermen cannot pouibly be jultilled 11 opptOilliltlt when bo1ancltd apinst tbc IMiillbiilty of Superfund monies for use 11 otbcr sites Nor ean k be juldfted 11 consistent witiJihe NCP Iince the sice-relaled riskJ after clole ICNdny cannot be dcscnbed as bullunaoceptablcbull bullmiddothatever NUS would haYe us-middot

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240
Page 20: LETTER REGARDING COMMENTS FOR 12/1992 PROPOSED …Arent Fox Kintner Plotkin & Kahn . Ms. Pamela Shields Mardi . 10, 1993 . PI&< 3 . IMiytical . method deteetion limiu. This is . a

Arent Fox Kintner Plotkinamp Kahn

Ms Pllllda Shields Manhl01993 PlfelO

(C) Puhtis AwJrcpcg Pmmm

There 1111 been - - In tile AdmlniolraiM Record oad Ia tile llablic lokelinp conarninamp the No flsbinamp wamiaamp lips pilcltd II shylocalloas ond 11 various - lionamp the SudbuJY River ond the oct tbll -liplbawbeencitber-oru-ootpiOIIIIy-Aia - it~ feared tbll the - (befood - -)iloot __ ___ Coolpoled- - ot- - oldlo -middotdie- oiiD _ bull _ Soiollbull------ - -___ - --middot------middotshy__ ---- shy-middot -oi __ICII_ middot----- -ot=--fDr-bc- - 1111otnatllllEPA pre--lll-shy

0

  1. barcode 580240
  2. barcodetext SDMS Doc ID 580240