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Site: £ 12t4 wc. Centra] Maine Power Break: 3.7

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REGISTERED MAIL

Nove.ber 10, 1987

Ita • Cynthia Kuhne Waate viaion Bureau of Oil 6 Hazardou. Material lnforce..nt 6 Coat lecovery Section Depart.ent of lnviron.ental Control U.S. lnviron.antal Protection State Houae Station •17 qency Aup8ta, llaine 04333 loaton, ...aachuaetta 02203

U: O'Coanor Site Activity leport

Dear Site llaapr:

In c-.Uaace with it• 53 of the O'Coaaor lite Conaent qre-nt for the perfo~ of the RI/11, Docket lo. 1·16-1031, I .. eac1oaina the activity au.al'J report for October 1917.

.~~~·e1y youra,

) ~Tovt llwi~ta1 hnlcea Depart.ent

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F. O'CONNOR SITE MONTHLY STATUS REPORT

October 1917

TASK 1 • DATA COLLICTION/IVALUATIOM

Thia t aak waa co.plet ed with t he collection of all available aite char acter izat ion data prior to the initiation of field atudiea . Thia data will be incorporat ed with dat a collected fro. other Taaka and uaed in the ••aluation proc••• to for.ulate the ....dial Iaveati..tion a.port and reuibility Study .

!he fiP ' a project ..aaa...nt atructure ia illuatrated in the Project Operation Pla.

Aa diacuaaed in the aectlon entitled Appendix I, • Scrap a-.al Proar• "--7 wu aent to the replatora on October 5, 1917 . 1bia .-ry included a pla for addltiOMl fenciq, but u aoted la the COftr letter, the IPA/DIP r..-ated lcbe..l• wu not deftloped. 1be nUOil for thla wu that 8ddltlOMl ...,una to detendM location of aoil cona.l.aatioa b..s to be perfoned and, coatracte for the· job · could not be awarded •til the roplatora ..,row4 the location of the fence .

On October 15, 1917 a aoll •..,una plaa wu nllllltted to the replotora to ...... the rca coaa.l.nation diaCOftred in the lerap .....1 Proca••. An October loth ...,una date wu acbeclulod for thla proar•·

DR , . OIJICTIVU/ALTIUATIVU DIYILORIDft

1be dnel.,_..t of objective• and altematiwa will contl.lue up until the fiaallaatioa of the n report . A report ntlt1ed, •rraUalaary Iadlcation of MAla, • wu preaented to IPA aftd IIDIP In JUDI 1916 . On Aupat U , 1917 , a rmaed report which incorporate• chap• nqulred by the Superfund -...-nt and a.autborlutlon Act wu aublllttod .

TAl 4 • OOIIUUTY ULATIOIS PI..Alf

'lbere wu no c-.lty relatione actlYlty ln October. 'l'her e 1a no c_.ity rela tione actiYity acheduled for -....ber.

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O'Connor Site Status Report 10/87

r TASK 5 - SUBCONTRACTOR PROCUREMENT

No subcontractor procurement activity occured in October and none is anticipated in November .

TASK 6 - PERMITS/AUTHORIZATIONS

No perait/authorization activity occurred in October and none is anticipated for Noveaber,

TASK 7 - SITE RECONNAISSANCE

Site Reconnaissance activities have been ca.pleted. Data &athered froa this ; effort was used in the Tour I and Tour II data presentation. This data will

also be used in the develop ..nt of the Feasibility Study.

TASK I - TOPOGRAPHIC HAPPING

'1'be one inch • 40 foot and one inch - 100 foot scale lue Map of the a1te has been aubaltted to IPA meliiDIP. 'l'hla Task 1a nov COIIp1ete. 'l'beae •P• were - referenced in the Tour I and Tour II data pacta&•. 'l'heae .apa vlll also be referenced in the ....dial lnveati&&tion laport mel the Peuibi1ity Study.J

TMK 9 • PIOJICT OPDATIOI PLAN

1'be Project Operation Plan baa been approved by both the IPA aDd the MDIP. On April 22, 1917, I. C. Jordan aubaltted an addeadua to the POP vbich covered the teat pittlna procedure to be e~~ployed in Tour II subsurface soil analysis. No further additions or chan&•• to the POP are anticipated.

TASK 10 • FIELD MOBILIZATIOM

Jo IIObillzation of field equipMnt occurred in October mel none 1a anticipated in loftllber .

TAlK 11 • DOMESTIC WELL SURVEY

Thb task has been ca.pleted. Results froa this survey have been incorporated with the results presented in the Tour I data packa&• · These results will be incorporated into the Rl Report and analyzed in the Feasibility Study.

10/87

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0'Connor Site Status Report

TASK 12 · ENVIRONMENTAL ASSESSMENT

No further environmental assessaent field activity is anticiapted . During October, work continued on the analysis of bioloaic data to be used in the Environmental Endanaeraent Assessaent . This work will continue during Noveaber.

TASK 13 • REMOTE SENSING INVESTIGATION

The PRP's have responded to EPA/DIP second - round photoar....tric co..ents . Pursuant to the aare...nt between the aaencies and the PRPs, further co..ents will be addressed in the diacuaaion of this taak in the RI report.

TASK 14 • KORITORIIIG VIU.S

Vith the analysis of .onitorina well aa.ples taken in July 1987, a ca.plete aroundvater hydroloaic cycle waa .onitored. Thi• data waa reported with the results froa Tour II and will be incorporated in the RI report . No further aroundwater aa.pliaa ia required for the RI/FS process.

TASK 15 • HYDROLOGIC l'l'UDIIS

laaeline data reaardlna aurface water body elevatlona and flow rates in the vicinity of the alta ia belna analyzed. Inforutlon froa the U.S.G.S. aauaing atatlon on Taanlna lrook, (the correletlon watarabad for the atudy), b undaraolna evaluation. lo field activity occured in October. Vater level readlnaa will be taken in NOYallber .

TASK 16 • IMVIRONIIIRTAL SAMPLING 6 ANALYSIS

On October 30, 1987 additional aurface and aubaurface aoU a.-pUna occurred in area• where PCI contaaination waa dlacovered durlna scrap reaoval operatlona. . Thla ahould be the laat aapUq which occur. for the RI/FS proceaa .

TASK 17 • SITE SURVEY

The site aurvey baa been coapleted for Tour I and Tour II saaple locations . No survey ectlvlty ia antlclapted ln Nove.ber.

10/87

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O'Connor Site Status Report

TASK 18 - DATA REDUCTION

Data reduction and analysis will continue through the development of the RI Report . During the fourth quarter of 1987, emphasis will be placed on data to be used in the Endanser.ent Assessment and the RI r • port .

TASK 19 • RI REPORT

Vith the finalization of Taak 16 , work can co..ence on the Remedial Investigation Report . Work on this report will proceed up until ita scheduled submission date .

To co.ply with the Septe.ber 29, 1987, EPA request for a data valedation report, a letter wu aent to the reaulaton wrifying that data reduction, validation and reporting were acco.pliahed in accordance with the speclflcatlona for this work found in the Project Operations Plan . In a letter dated October 21, 1987, the EPA rejected thia aub.iasion u being inadequate and required that further infor.ation be aubaitted by October 30, 1917.

In an October 29th phone conaenatlon between I. C. Jordan and the IPA it waa decided that laboratory Cue Su..ary Narratives would be aubaitted to coaply with the requir...nt for data validation. These narrative• were aent to the reaulators on OctOber 30, 1987.

TASK 20 thrOU&h 24

Work hu not c-nced on theae tasks. No work on theae teaks is anticipated in Novear.

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APPENDIX E

On October 5, 1987 the PRPs submitted a scrap removal program summary to the reculators. This completed compliance with the submission requireaents of the Removal Iapleaentation Work Plan.

On October 15, 1987 the PRPs sub•itted a proposal for additional soil sampling in areas where PCB contamination was doscovered during the scrap re.oval operation . An October 30 sampling date vas proposed. EPA and DEP approved the proposal in telephone conservations to Central Kaine Power Company on October 26th . Soil sampling co...nced and was completed on October 30th .

Part of the Scrap Removal Su.aary was a proposal for additional site fencing . The schedule for this effort will be developed once the results fro• the

: additional soil sa.plina have been received and the regulators approve the location of the fence.

AKT 11/87

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