Borehole Identification Tables, Callaway Power Plant ... · Tritium in Water

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iBOREHOLE IDENTIFICATION TABLES

CýLLAWAY POWER PLANT

TERRACON PROJECT NO. 09067011T;lr

:Bdrnfg: CA7SOLLSt,, 19 35, 27~LT (VicinityofDbck Haul Road)SamlenteJa (feetii bgs)e L~:Tnnutjpi/)u 1, UT NID'Lthid

;itpi ftb, Titu (u L D ~tiue DDogtu ~UTM~Esig UMot~g

0-5' <166 I 2/7/20075-10' <166 1 2/7/200710-15' <166 1 2/7/200715-20' <166 1 2/7/2007. 38.7054 -91.7406 1857119.57 1046600.6120-25' <166 2/7/200725-30' 657 ± 113 - 2/7/2007Tritium in Water <145 - 2/9/2007

PBrI %a:; 20 6i,.60aB1St 6 0 a1k.a MWý0116),

•Sample lnt•'r,-al (friti)m •,,"nt p(ZiL •S~m~plingi•,• D •oD ,jtituiil• •DD lui.gitb•d, LIT •E aýtJsnq Tý ý,iglhing

3-5' <145 1 10/312007

8-10' <145 10/3/200713-15' <145 1 10/3/200718-20' <145 10/3/200723-25' <145 10/2007 38.7093 -91.7577 1852231.94 1047973.9423-25' <145" I 10/3/?20

28-30' <145 i 10/3/200733-35' <145 1 10/3/200738-40' <145 10/3/2007

sapý "er"j'o- Lq- lingimlDate'L ~.DIL titude DL~vjL T IflEi iVatn ~U],itMNrthiný

3-5' <147 i 9/28/20078-10' <147 1 9/28/200713-15' <147 1 9/28/200718-20' <147 i 9/28/200723-25' <147 - 9/28/2007 38.7058 -91.74222 1856668.3 1046737.5923-25' <147 1 9/28/2007

28-30' <147 - 9/28/200733-35' <147 - 9/28/2007Tritium in Water <156 10/3/2007 _

NOTES:1) Bold value represents value detected above reportng limits.2) DD = Decimal Degrees. -

3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations. Not measured by professional surveyors.

BOREHOLE IDENTIFICATION TABLES

CALLAWAY POWER PLANTTERRACON PROJECT NO. 09067011T

B66cCASO-Sa.69+45' 4,,RT cmi riof MH-2). - . •.

ST,-6'Tum p-i L, g Date DD Latitude 1DD Lon/2itu/de 0TM Eas;hng

4-6' <171 12/28/20069-11' <171 12/28/200614-216 <171 1228/206 38,7078 -91.7579 1852187.95 1047414.42192'<171 i 12/?28/2006

24-26' <171 I 12/28/2006Tritium in Water <143 - 12/2812006

~~ . B~~driii q. 0jSOI0-3ta: 72 , 05, 4C' LTz li fMH2 - 4-

3-5' <147 1 10/11/20078-10' <147 10/1/200713-15' <147 10/1/200718-20' <147 10/1/200723-25' <147 1 10/1/2007 38.70773 -91.75868 1851956.06 1047399.928-30' <147 i 10/1/200733-35' <147 i 1011/200738-40' <147 1 10/1/2007Tritium in Water <156 10/3/2007

lIntere, fe bgs) ~ T bqq'(ý i~ Lm, gUtLE) LD.Ifitud! DID Lýigiudie UTME-ri4 U%

4-6' <167 12/15/20069-11' <167 12/15/200614-16' <167 12/15/200619-21' 429±1105 t 12/15/2006 38.7078 -91.7589 1851897.3 1047410.6724-26' 451 ± 106 ! 12/15/200629-31' 431 ± 105 12/15/200634-36' 274 t 99 12/15/2006Tritium in Water 583 ± 105 - 12/18/2006

NOTES:1) Bold value represents value detected above reportir

2) D0 = Decimal Degrees.3) RT = Right of pipeline.

4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest I

6) Stations represent field measured approximations.

g limits.

aboratory.Not measured by professional surveyors.


CALLAWAY POWER PLANT

TERRACON PROJECT NO. 09067011T

Fl'7h LTX(idinit, fMtH-2) .

sarl!i~evl(etbiý Tilr FV) Sr pliqg~fte DD Lat~tUde ~DD Longiitude UTM Ea'stnq g l UTM Northing

10-5' I 11 , J1/07 3870178 -91 7589ý 18518ý79ý77 10474L22.4_

!,, iB CA-SO)LSta,72. 1 80,235 LT Vcr nty, ofMH-2).. ,

,sample [)ea (fe bg. T ,tiun;4 l Samp ___ Dat 1__' Litatijfe DDPALonvjlUd UTM Ea-Arg IJ,,, UMNorthirng

0-5' <162 I 2/7/20075-10' <165 2/7/200710-15' <165 2./7/2007.10-2 <165 217/2007 38.7078 -91,7589 1851879.10 1047417.6615-20' <162 ! 2/7/2007

20-25' <181 '27/2007Trtium in Water None Not sampled

Sait-o1[tr~l(feet~ TntIUM S(pe/Lji, D,.It pD Lýýg'd~ DD Lcn~iý)ide~ U T %1Easg ~UT!1 t'Jorthiiig_

3-5' <147 8 9/28/20078-10' <147 9/28/200713-15' <147 9/28/200718-20' <147 9/28/2007 38.7081 -91.7592 1851806.59 1047533.4523-25' <147 1 9/281200728-30' <147 1 9/28/2007Tritium in Water <156 10/9/2007 1

ru- iW <162 8 2/7/20075-10' <181 I 2/7/2007_10-15' <162 1 2/7/2007"10-15, <162 1 217/2007 38.7077 -91.7590 1851871.69 1047378.1415-20' <162 1 2/7/200720-25' 238-± 91 2/712007ITritium in Water 313 ± 87 2/9/2007

NOTES:1) Bold value represents value detected above reporting limits.2) D0 = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations . Not measured by professional surveyors.

BOREHOLE IDENTIFICATION TABLESi

CALLAWAY POWER PLANTTTERRACON PROJECT NO. 09067011T

Sape lu i ~,) 8Tiwi(pUt/t Snimplinq Dite ~DD L~tlitude DD L-ngitud'e UT1Etq IT11fnlm

0-5' <167 2/7/20075-10' <167 *2/7/200710-153 <167 E/0 38.7077 -91.7592 1851808.32 1047387.84

15-20' <167 I 2/7/2007;20-25' <167 * 2/7/2007Tritium in Water None Not sampled

I>SanpeIitKm F.C u L Sa "%W ' .DE) Ltitudel ,UTMl Eaistiný U- r,1Nrhn

0-5' 497:1:108 1 2 2/720075-10' <167 2/7/2007

10-5' <167 t 2/7/2007 gtd.g

10-15' <167 2/7/2007 38.7080 -91.7592 1851815.54 1047514.215-20' <168 2/7/2007M2025' 229 ± 97 2/7/200;

ITritium in Water 162 ± 80 9 /92007

0-5' <167 -2/7/20075-10' <167 [ 2/7/200710-15' <167 [ 2/7/2007 38.7077 -91.7593 1851782.9 1047385.41

115-20' <167 2/7/2007

Tritium in Water None Not sampled -

sap. <171t Samplingls nt~j'np~i ~ate; DD Latitujde- DD Lun UT Ea,#-

3-5' <171 I 12/28/20068-10' <171 i 12/28/200613-15' <171 12/28/2006 38.7082 -91.7592 1851800.63 1047559.4419-20' <171 12/28/200623-25' <171 12/28/2006

Tritium in Water <143 1 1/3/2007

NOTES:1) Bold value represents value detected above reporting limits.2) DD = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations. Not measured by professional surveyors.

BOREHOLE IDENTIFICATION TABLESCALLAWAY POWER PLANT


CAihi(-!-SOL-Sta: 74;+ 03,.117 TT (VibinitVofMH-3) <W<.-~

Sample interval (feet•bgs) Tritium (p!i U Sam$IinqDaie DE)Latitude> DD Longitude UTIM Easbng ' UTM Northing2

4-6' <167 1 12/27/2006

9-11' <165 12/27/200614-16' <165 1 12/27/200614-21' <171 12/27/2006 38.7076 -91.7594 1851748.79 1047346.51119-21' <171 i 12/27/2006

24-26' <171 12/27/2006

Tritium in Water None I Not sampled

-~ on 4: ~--)US ta25S 132z,26' RT (Vidriiy of

ietlalftbs I'J' TI; (pc L/ 'H pi-?V t UL ti" D cmii UTh4l Eastn M N_ ,fhl1 . p ing ~ ILIT

0-5' <181 . 2/8/20075-10' <167 2/8/2007

10' <181 2/8/2007 38.7081 -91.7600 1851591.17 1047513.6110-15' <_181 _ 2/8/2007Tritium in Water None Not sampled

____,,_,--___;____go'i__g CA Sta,-7.5 + 93, 37'LT iciniy of MH-3A) 2 ____________

is ý ý) nYTtiunmpCi L), ý irapl Dte iDDl•atitudl DD ongII.de UTEa~timj ?UThl NNi'rrgNSml InerD (feI -H '- ~ .. ~. - ,-

0-5' <167 i 2/8/2007

5-10' <181 2/8/2007

10-15' <168 b2/8/2007

15-20' <169 2/8/2007 38.7079 -91.7600 1851571.86 1047452.55

20-25 <181 2/8/2007

Tritium in Water <145 2/9/2007

NOTES:

1) Bold value represents value detected above reporting limits.

2) DD = Decimal Degrees.

3) RT = Right of pipeline.

4) LT = Left of pipeline.

5) Analysis conducted by Environmental Inc. Midwest Laboratory.

6) Stations represent field measured approximations. Not measured by professional surveyors.

BOREHOLE IDENTIFICATION TABLESICALLAWAY POWER PLANT

TERRACbN PROJECT NO. 09067011T

stwq~, ntr,ýil(f-tl~gs TdtSa ipinL)Dat, DIDLatitude. 'DD Lojngfitude UyEM Ea~ti,~ ~UTM1 N~ortiNg

0-5' <167 218/20075-10' <167 i 2/8/200710-15 <167 2/8/2007 38.7084 -91.7626 1850844.05 1047642.0215-20' <167 i 2/8/200720-25; <167 - 2/8/2007Tritium in Water <145 - 2/9/2007 1 1 1 1

nerva, eesj TritJum1 (p~t'L)y ~ Samplipng Daite ~DD Ljatitudý DD____qjjastirM L T Nýo hinq

0-5' <167 I 2/8/20075-10' <167 1 2/8/200710-15' <167 2/8/2007 38.7089 -91.7666 1849684.02 1047811.2815-20' <167 2/8/200720-25' <169 2/8/2007Tritium in Water <145 - 2/9/2007

~Boring ~CA-- L%-Sta.:'14 K. 100' LT (Vicinity, of MýH-5)~

Inter-il tut ý,jsISanýýiplwii ) ),t D L ititud, DED Lorgitml i-T~ L-,,- UTNotý,hinq

0-5' <169 1 22/8/20075-10' <169 1 2/8/200710-15' <169 1 2/8/2007 38.7088 -91.7699 1848744.63 1047774.3715-20' <169 1 2/8/2007Tritum in Water <145 1 2/9/2007

NOTES:










____________________ >BoririoýG:CAS0L`-Sta. 104 +64,60'I L(Vicinity, of MH-5) ______________

.Sam~le Interval (feet bgs) Tritium (Ci/Li)A SamnplingDate DID Latitude ODDLongitude UTM Easting UTM Northing

3.2-5.2' <193 1 6/21/20078-10' <190 6/21/200713-15' <192 I 6/21/200718-20' <192 1 6/21/2007 38.7089 -91.7699 1849610.71 1047809.2223-25' <192 . 6/21/200728-30' <190 1 6/21/2007Tritium in Water None Not sampled

~~ 7::-~~~~;tbiH; A- !- n«b~i A~3t 104 +'94,60'LT (intyf.H:5)~~%v,,I • ' :f@•-l Tnin •: p'• i !_L: ýan ln • I•,' ' 4 at . .. I. M Ei,t; ' * • •,iri UT, 1 No lw, •

4-6' <167 1 12/4/200619-11' .< 167 1 2/4/200698114 567 93 12/4/2006 -91.7701 1848703.25 1047949.5614-16' 556 ±- 110 1 2124/2006

Tritium in Water 468 ± 104 1 12/5/2006I

-Sruki1rt~wl(Ietý,sý Tnitw urn pCtjý 1 an'n aD attitude EDD [,-L1Lgitde. UTýlEaistin -j UWT M ortIihw,ý

4-6' <167 i 12/4/20069-11' <167 ! 12/4/2006 3879 9-1 <167 12/4/2006 38.7093 -91.7701 1848703.25 1047949.5614-16' <167 1 1/4/2006

Tritium in Water <177 1 12/5/2006

[3ý7Bring:, C3AýSOL-Stb, 1 O,+0540,400' LT (Vdlhif ,-bfMH/5 ýf'

eltr I . TrtteCVI b; Silij Date DE)_______, E)D gin)ue~ Ui; aýtiprI ___________

3-5' <144 1 12/4/20075-10' <144 12/4/200710-15' <144 12/4/200715-20' <144 I 12/4/2007 38.7082 -91.7705 1848582.70 1047535.1420-25' <144 1 12/4/200725-28' <144 I 12/4/2007Tritium in Water <188 12/4/2007

NOTES:

1) Bold value represents value detected above reporing limits.


3) RT = Right of pipeline. .

4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. MidwesIt Laboratory.

6) Stations represent field measured approximations! Not measured by professional surveyors.

IBOREHOLE IDENTIFICATION TABLES



_________ _.__,: •,, • Borilng,<•CA;SOL~sta,,>105 +24:. 200' LT(VciW ofAMlH5)§:A ;..;,,: :

3-5 <147 i 10/1/20078-10, <147 I 10/1/200713-15' 1046±117975±,117 1011/2007 - 38.7087 -91.7709 1848481.40 1047712.8018-20' 616 ± 103; 525 ± 101 10/1/200723-25 <147 10/1/2007Tritium in Water 473 ± 101 - 10/9/2007 1

am , ':e 2 T.tiumýp~i L)&... Daiteq D Dta• t..Iude 0. . Ea-itinbn.

6-5n <144 _e 11/9/20078-10' <144 I 11/9/200713-15 <144 11/9207 38.7085 -91.7706 1848570.27 1047662.5218-20 644 ± 103 ; 535 : 99 11/9/200723-25' 215 87 I 11/9/2007Tritium in Water <160 i 11/9/2007

&jrnii~,v1Tnbuimm(pCi/LL) ,S mpflnq Date DD Lititujde nDLr~td Uý ~ atn djMNrhr~

0-5' <169 I 2/8/20075-10' 402 100 _ 2/8/200710-15" 2956 ±- 175 ;2890 +171 2/81200710-15-0" 205 ± 17; 21706t142 2/8/2007 38.7089 -91.7703 1848640.48 1047788.4915-20" 1305±1:141 ; 1706±+1142 2/8/2007

Tritum in Water' 2700 - 2/9/2007Tritum in Water 2707 2/9/2007

;.'k:..><'V9 ,. Boiing'ASil Sta •106$50, 200'LT f .j 4 ,:'

3-5' <156 t 10/12/20078-10' <156 1 10/12/200713-15' <156 10/12/200718-20' <156 t 10/12/2007 38.7087 -91.7709 1848477.70 1047710.7123-25' 339 ± 96 10/12/200728-30' <156 10/12/2007Tritium in Water <156 I 10/12/2007





,• •:••',<•..•;•; •=•i• .,• :,;•:• :•.'• • '', ", 36f*g CGA-SOL-Sta. 107 + 00'-"90•'-LT: (Vi niy .... .. .MH-6)•>... •;' '•"' "÷; ;..

Sample Inter-al jeat bg) ~ u C ) Smpling . Dte ,D ,D Lititiifl ~DO Lorgitude U MEsil U~l,ýlin4-6' <167 I 12/13/2006

9-11' 171 ±- 95 1 12/13/200614-1 [ 1671 95 1 2/3/2006 - 38.7090 -91.7709 1848476.99 1047820.8214-16' f <167 i 12/13/2006 _ _ 1 _

Trdtium in Water <184 I 12/13/2006

Tritium in Wat~iterNnNosapedt__s______ _________________

Sample Initdral (fe~et bs Thitium 1LUL ' Sampingpi~ Date L~atitude, rDD Lonqitude UTM! Easting t~~ ~ti

3-5' <193 1 6/21/20075-10' <190 I 62/200713-15' 967 < 136 1 6/21/200718-20' 691 t 126 < 1 6/21/2007 38.7090 -91.7709 1848469.00 1047836.5323-25' <191 i 6/21/200728-30' <191 6/21/2007-Tritium in Water None i Not sampled

ntrl(etbs Tritium (p-CVL) iSampti? Date DD.Latitude' DDI fongitude, UTM Eating ~UT%1rNorthi~g~

0-5' <169 1 2/8/2007

9-11' <177 t 12/6/2006

9-210' <16 9 12/6/2006 38.7092 -91.7709 1848473.49 1047891.0310-15' <169 11 2/8/2007,Tritium in Water <145 i 2/9/2007.

4-6' < 177 1 1 2/6/20069-11' <177 :1 1 2/6/200614-16' 3116 4. 1851 12/6/200619-21' 16624±.1491 12/6/2006 38.7089 -91.7711 1848414.59 1047809.04

19-21' 1531 ±. 146 1 12/6/2006

24-26' 2343 ± 1671 12/6/2006Tritium in Water None I Not sampled


BOREHOLE IDENTIFICATION TABLESi



B~6rinn i.(-CA-SOL-,ta' 1U0 +.03, lQU RT -Vicinit, rr.MH,6)

s~ipl ne~i fet 1 ,"'s ~Tritium(pCti L) D~[, DD InL D itiu D Lm;ud~e UTM E. [wý Ur~ OJI,

0-5' <181 12/11/20065-10' <181 L 12/112006 38.7095 -91.7711 1848408.03 104802212410-15, <181 [ 12/11/2006Tritium in Water <184 12/13/2006

. ;2htim~piL Sampling Pate. ,DD Latitu.M; ~DO.Luniwjfde UTM Eastiri V UT.M~r~gSaniýýI,~~,•mp N- ngum puaL rr4ehi

0-5' <157 1 2/81/2007

5-10' __157_ 2/8/2007 38.7093 -91.7716 1848354.59 1047956.6610-15' <157 _ 2/8/2007

LTritium in Water <145 2/9/2007

.. 1arnpe#InwaI(feet [bgs)~ T ntium (pCi!L') Samptinm Dat DD L~aftiude ~Dr) Lonqilde~ UTM Eas~tiri HUTrMlN(,thmn

4-6' <181 1 12/11/20069-11' <181 1 12/11/200614-16' <181 1 12/11/2006

11-1 11 1 12,,06 38.7095 -91.7716 1848268.93 1048003.6819-21 <181 12/11/2006

24-26- <181 12/1112006Tritium in Water <184 1 12/13/2006

g:jXSL-ta 10 856ýj.I Bjin -d~ 6B _

S~iihilednterval I ý is Trqur. pc __ F~~~ii D- - DIDL~atitude 00:(rije UT% E-Zir r hr,

4-6' <177 12/6/20069-11' <177 1 12/6/200614-16' 3116 ± 1851 12/6/200619-21' 1662:±11491 12/6/2006 38.7091 -91,7718 1848201.11 1047881.3619-21' 1531:1461 12/6/200624-26' 2343 : 167 I 12/6/2006Tritium in.Water 2518 ± 171 ! 12/13/2006 1 1 1

NOTES:





5) Analysis conducted by Environmental Inc. Midwest Llaboratory.6) Stations represent field measured approximations. Iot measured by professional surveyors.


CALLAWAY POWER PLANTITERRACON PROJECT NO. 09067011 IV

0-5' <169 218/20075-10' < 169 I 2/81200710-15' <169 2/8/2007 38.7090 -91.7719 1848186.49 1047834.28

15-20' <169 2/8/2007Tritum in Water <145 1 2/9/2007

neia(feetbg) S~TrtIJIfiff(pCIL,~ 6 am4 U~, r,,rti

4-6' 228 ± 103 i 1216/20069-11' <177 1 12/6/200614-16' <177 1 1216/2006 38.7092 -91.7721 1848118.97 1047889.8919-21' <177 12/6/200624-26' •<177 12/6/2006Tritium in Water <176 12/8/2006

~ N;B~rih LiCA ISOLa,,-30 RT Vidinhif -f~I8 ~ ~ A<~

0-5' <157 2/9/20075-10' <157 219/2007_ 38.7141 -91.7742 1847520.49 1049684.5210-15' <157 1 2/9/2007Tritium in Water <145 2/10/2007

Bdri~:'CAS0L1S6 13 ý 8, 12"T ofcifit,-tM-

S a ný,Vle hiiEral Tritium ýýjCL [1) Sa[Tpýliniý DýIp E)D Latitude DE Lfjriýjtude UT41 F-citiial UTrýl tJuilhinj

4-6' <190 6/21/2007'-1 193 i 6/21/2007 I93<193 6/21/2007 38.7155 -91.7740 1847565.64 1050196.7314-16' <193 6/21/2007

Tritium in Water None i Not sampled



CALLAWAY POWER PLANTiTERRACON PROJECT NO. 09067011IT

Sanle~terval jet , 1n rtium ei/L)' Samli' D4 ~DD Latitude, -DLniid ~. isrq Ut1Nrhn

3-5' <190 I 6/21/20078-10 <190 6/21/0 38.7155 -91.7742 1847508.58 1050196.2813-15' <190 6/121/2007Tritium in Water None Not sampled

•SairiH/•,ta•(frt•g) 1'3 D 1,at 2o"L atitude DVi o'lude UMEat H-8) UT

~Simple~l ntervl detý" nýj ,~,L E aiuý DDL i d UMEitrj Iir1Northing

4-6' 403 ± 102 I 12/22/20064-6' 249 ± 97 1 12/22/20069-11' 213 ± 96 I 12/22/20069-11, <165 12/22/2006 38.7156 -91.7741 1847544.22 1050238.7514-16' <1652 12/22/200614-16' 216 ± 96 1 12/22/2006Tritium in Water <142 12/22/2006

SJIIýý' 11ýý-11ýJ~t h,'l Tntium (p'i/L'L Sýamplirig DatH LDiT) Lidetlý ~DD Loinglitde', UTM E-i,ýhg j-r'

0-5' 267± 97 1 2/9120075-10' 2/200 38.7157 -91.7745 1847503.56 1050282.8510-15' 305 ± 99 I 2/9/2007Tritium in Water <145 - 2/10/2007

4-6' <161 11/27/20069-11' <161 1 11/27/2006

[14-16' <161 1 11/27/2006 38.7158 -91.7744 1847443.12 1050298.04

19

-2 1' <161 11/27/2006

Tritium in Water <177 - 12/5/2006

NOTES: I1) Bold value represents value detected above reportin limits.

2) DD = Decimal Degrees. i3) RT = Right of pipeline.


5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations. Not measured by professional surveyors.

iBOREH OLE IDENTIFICATION TABLES



GAY>SO',~ 13ý hto MH 8)•~~

ISaýmp~e (nterail (feet Ls). 'Tnt (pQi/E) -Smlný D~t DDL&ue D ogu. UTi. Eatn UTM 5~ thig4-6' < 172 D 11/28/2006

9-11' 273 1 11/28/200614-16' <172 11/28/2006 38.7158 -91.7740 1847551.63 1050288.5719-21- <172 11/28/2006Tritium in Water <177 12/5/2006

-1, 6, nPT LnateSA~jl (,etLjs Titim4I/L, Sam.in L)jt BE Lttu DD Loijiiiý TM Eistrij~CT'oti~,

4-6' <161 1 11/28/20069-11' <161 11/28/200614-16' <161 11/28/2006 38,7158 -91.7737 1847645.29 1050302.719-16' <161 11/28/2006Tritium in Water <177 12/5/2006

_______._______ C?•Bbirg•A SeE-'St139C+SL n f 8 7;;' -

,SampIe lnt e L alfteet, b, S,•amp~lg ate , atit e, DDOLongtue, .... ET g MNoing ....

0-5' 3341100 I 2/9/20075-10' <164 I 2/9/2007 I1015 <164 1 2/9/2007 1 38.7159 -91.7741 1847518.77 1050351.8110-15' <164 1 2/9/2007

Tritium in Water <145 I 2/10/2007

*KBýri$. CA ;O-t.'4 20, 90!RT (Viclnity of MH-9)2: ______

4-6' <161 11/28/20069-11' <161 11/28/200614-16' <161 11/28/2006 38.7161 -91.7735 1847688.83 1050401.0719-21' <161 11/28/2006Tritium in Water 343± 100 I 12/5/2006Tritium in Water I <170 I 12/22/2006 1 _

NOTES:1) Bold value represents value detected above reporting limits.2) DO = Decimal Degrees. I

3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations! Not measured by professional surveyors.

BOREHOILE IDENTIFICATION TABLES

CALLAWAY POWER PLANTITERRACON PROJECT NO. 09067011IT

I jarnpletlnt a.(feet bgL - Tnitium~p~i/ýL) S Ln ate DD Latiude, DD Lu Long•tuode UTY Eiasing.i UTY NMgNoin1gC

3-5' <147 I 10/2/20078-.10' <147 1 21/2007 38.7161 -91.7738 1847600.10 1050420.7513-15' <147 10/2/2007Tritium in Water <156 10/9/2007

•; • ',•B~~~~~~d•~'•.QA -4 St1•0•,'-ý5L, 102ý5"RT ýci,• (: "•fMHz9 • ;: .,),••%••;-i

3-5' <193 i 6/20/20078-10' <193 6/20/200713-15' <193 6/20/2007 38.7162 -91.7735 1847706.80 1050452.80

18-20' <193 6120/2007Tritium in Water None I Not sampled

',rkntr,. fetfs I1tium,(PICL L) S; pln EteD Lrlt,'ý D .. nmitude UTM Easttfng UTM Nth

3-5' <190 1 6120120078-10' <193 i 6/20/200713-15' <193 1 6/20/2007 38.7163 -91.7744 1847445.51 1050485.0818-20' <193 1 6/2012007Tritium in Water None Not sampled

Sj~ý bgsý,d(et.mj) 'Tilu ([( 1S~imrqDrig~e. DD Latitude~ DD Lom-itude UTM j,Esting/½ I UTM toithiri2

4-6' 1537±138 11/21/2006

14-16' <170 1 11/21/200614-16' <170 1 1121/ 38.7164 -91.7740 1847558.40 1050524.2919-21' <178 11/21/200624-26' <170 I 11/21/2006Tritium in Water 211 ± 96 F 11/27/2006

NOTES:1) Bold value represents value detected above reportin2) DD = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest L6) Stations represent field measured approximations.

I limits.

laboratory.Iot measured by professional surveyors.




[ ___________________Bornt] CA SOL-Sta: 141 +- 24.5, 100'LT (Vicinit; ,r MH-9A) ______ ______

Sam~ple• Inte l(fet'bgs) Tf im(~ L) -SwahplIg.Dati .DD'L'atitud.e~ [DD Longitude UTM Easting UM othn

4-4 <170 1 12/22/20069-11'1 <170 12/22/2006 38.7164 -91.7742 1847514.97 1050528.9914-16' <170 1 12/22/2006Tritium in Water None I Not sampled

§.ýCI..LS6 4 0f,~B~t 3117 (iainiiti fMH'9B _______

SmiloFwl(etTntimn (pCi/L)' iSampling Date. ODDLaktul E oitude UT%1L Latnj U%"Nrln,

4-6' 253 ± 95 1 11/21/20069-11 , <170 j 11/21/2006

19-216' <170 1 11/21/2006 38.7166 -91.7735 1847713.25 1050584.1624-26' <170 11/21/2006

Triiu inWtr 191 ± 95 1 - 1/27/200N6 ____________________1T~um in Wat7eStb16 170 + 12 17/2006 T r ht i-MF4

,SjP1P1 [ava tfe .~t TrtiumnqCt L) .- tSaiýmp DciDte ~DD iattudle -'DU Longtude Ui7M1 EAsing. IUTM1ýNorlhirg'.4-6' <161 i 11/27/20069-11' <161 I 11/27/2006 I1-16' <172 1 11/27/2006 38.7168 -91.7741 1847515.30 1050680.7914-16' <172 1 11l/27/2006

Tritium in Water None I Not sampled

Sampe (eetLgs Trtiun (p~iL) ~iw nqDat DDLatittidj ~DDL~onitude UTflM Ea'sting UTM'lNnrlhmino

3-5' <157 i 11/9/2007.8-10' <157 i 11/9/200713-15' <157 11/9/2007 38.7165 -91.7739 1847587.59 1050559.0518-20' <157 I 11/9/200723-25' <157 I 11/9/2007Tritium in Water <172 I 11/9/2007

NOTES:1) Bold value represents value detected above repo.ling limits.





6) Stations represent field measured approximations! Not measured by professional surveyors.




136-di: ( ,AZSOLStbi. 1~42 + 2Z,'5,23'RT(Vicinit> oyH-B

_____________(feet[___, )ftm p~,- Safiplinfj Date DID Latli'ude (DO L)oLr )t ud e( .UTM Easting. UTMN&VI~•Sa mpleihterval (fe~et~bgs)i }UM;~itni

3-5' <157 F 11/9/20078-10' <157 11/9/200713-15' <157 F 11/9/200718-20' <14 11/9/2007 38,7166 -91.7736 1847672.90 1050596.14

20-25' <157 F 11/9/2007Tritium in Water <172 I 11/9/2007

S-ýrmpleItea A •(~lef~tsi~j Tnitir L) Samplng t Da .)te t DD Latu.eee DLo tiDD le t-'t EIEsti, 4 I•sij'ti

3-5' <144 I 11/9/20078-10' <157 F 11/9/200713-15' <144 i 11/912007 38.7167 -91.7736 1847672.61 1050632.5618-20' <157 F 11/9/200723-25' <157 11/9/2007Tritium in Water <172 1 11/9/2007

Sarmip1e Intei?/ajl~feet bgs)~ Tn~tlum~ptL ampliip Dt DD.ILatitudc .DP LonjjtUdý 4Esig~tlM~~ig

3-5' <157 1 11/9/20078-10' <157 I 11/9/200713-15' <157 1 11/9/2007 38.7165 -91.7740 1847701.72 1050559.9518-20' <157 T11/9/200723-25' <157 11/9/2007Tritium in Water <172 11/9/2007

E1oIrig ýCiAOL-Sta2143 + 17'40'RT ViciniWtofMHý9B)rsainple&JIFal (Ibbl LýýS) Trtium ý)C.uLý Sý3n)phnq Dale DD Lalitude DD LuiioituJe I JT M Ertinq UTý,! rllý-tlhw,

3-5' <147 1 10/2/200718-10' <147 F 102ý2007 38.7168 -91.7736 1847663.56 1050694.4113-15' <147 I 10/2/2007

,Tritium in Water <156 1 10/9/207

NOTES:1) Bold value represents value detected above reporting limits.2) DD = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Llaboratory.6) Stations represent field measured approximations. Not measured by professional surveyors.

•H

caul

I-mA z2Fo zw

j I-z0.4 -LU

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C-4

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N

CC

10

WC

ro2'E

'C

a<S40

C14

0l)

CD

0

'Cc-.

Ct

10)-

04

0,0)

'0~C

~J

0

'~0

.~

CO

4

0.

E'24I~

~

0~a'-0'

-q

00C)

C4-

0ý

C.-

CD

C.-

CO

V

C-

Co

V

00. 02

CC

I

E2

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cou)LO

Cl)

wz

iBOREHOLE IDENTIFICATION TABLES

CALLAWAY POWER PLANTTERRACaN PROJECT NO. 09067011T

Brh-,G ELS, 3 +. 4E Y2E'.R7tici fii 1jfMH2-12)1 ______ _____

Samletqu T ri n (p1, /L) E arpjing Dd 77 D Lattude [)D L-oriue UtIv1En TVrti EI-,j

L4-6' _<165 12/21/20068-10 _ <165 [12/21/2006

!Tritium in Water I None I Not sampled 38.7390 -91.7793 1845993.63 1058913.78

_________________ JeBo C ~L, ~Sta 230'+ 5, Z2 5'R7~Vii L M 2) 1_____________

S~iinle Iner-1 f,,,, Lq'A, Tn i /m(, L) S mrpliing D~te DD Liiude ) L oiDE lgiltie) .UTYEMEastirg ~UT%1 ýNorttihw

3-5' <170 - 11120/2006

3-10, <170 i 11/2120022410<170 ±95 11/20/2006 38.7396 -91.7793 1845993.61 1058963.84

13-15T 247i±95 W N I 1 1s20/20Tritium in Water None [ Not sampled ____________ ______

NOTES:1) Bold value represents value detected above reporting limits.

2) DD = Decimal Degrees.3) RT = Right of pipeline.

4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.





3F, 7V RT Vin*iif,, ýUMH-12ý

-i' a fl rtu jiL apm ýt DD Laltitude FD Longitudeý UTM LEastlng- cT1Noing

3-5' <170 m 11/20120,06 38.7403 -91 7791 1846046.77 1059203.93Tdtium in Water None Not osampled _ _"_"

~ ~P ~%BMhgý CA%ýS SL-St6Y266'q95,'.10'FRT 71irinity or MH' 13)

*Sampip Int~rJýe t lftbqs), ~j.Tftim 6V(pý/Lt) SarniplingDate .DE, Latitude ~DD Longitude UTM Eastinq2 I.UMNrhr~9

0-5' <163 1 2/9/20075-10' <157 1 2/9/2007 "10-15' <157 1 2/9/2007 38.7486 -91.7772 1846555.95 1062253.4615-18.2' <157 2/9/2007Titium in Water None Not sampled

on6rhg C l -tb 7 0 39' RT (icinityrof MH 13)

0-5' <164 I 2/9/200751'16 1 2//07 38.7495 -91.7770 1846401.79 1062585.2710-15' <164 1 2/9/2007

Tdtium in Water <145 2/10/2007

BonirfqýV C L-3>th 27-0 + 60, 42'LT~ cm~int ~of MH- 13)

•Sample lnterwal (feetbg) • Tnt urifimn (,ram 'igDtme DE) Latide DD Lo ...... UTM.No•rthm-.

0-5' <164 1 2/9/2007

5-10' <164 I 2/9/200710-15' <171 1 2/9/2007 38.7494 -91.7780 1846330.71 1062546.5215-20' <171 1 2/9/2007Tdtium in Water <145 r 2/10/2007

NOTES:1) Bold value represents value detected above reporting limits.2) DD = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laborato6) Stations represent field measured approximationsI. Not mea

ry.sured by professional surveyors.

BOREHOILE IDENTIFICATION TABLES

CALLAWAY POWER PLANTITERRACON PROJECT NO. 09067011ITI

a2p e~ey .- api & i~e~DD Longjitude ~U~r1Easiitw UTJT r Norh 1,3-5' < 145 I 10/2/20078-0' <145 I 10/2/200713-10, <145 1 10/2/200713-15' <145 1 10/2/2007 38.7570 -91.7785 1846150.12 1065323.7518-20' <145 i 10/2/200723-25' <145 1 10/2/2007Tritum in water None I Not sampled 'I _ I II _ I

~~~e L) [S),-i~ifglate DE DLditftu e~ DD Lniiittfde UTrMlEistirg~ U~T, Iotng

4-6' <167 1 1/10/20079-11' <171 1 1/10/200714-16' 1616 t 145 1 1/10/200719-21' <171 1/10/2007 38.7572 -91.7786 1846117.98 1065362.6924-26' <171 1 1110/200729-31' <171 1 1/10/200734-36' <171 1 1/10/2007Tritum in water None Not sampled

___________________-S -t , F9 80'.LT (VIcnt ofMnil 6-6) _____ ______

3-5 <147 e 10/2/2007 DDI.

3-5' <147 1 10/2/20078-10' <147 1 10/2/2007

13-15' <147 I 10/2/2007 38.7570 -91.7789 1846044.70 1065311.99

18-0 n e<147 I 1o/2/200723-25' <147 I 10/2/2007Iritumn in water Noe j Not sa.mpl'ed ____________________

-~~'~'~~~< K~>' V ý-ŽB b flhdfA.9OL-,St~i.2294+'89; 45'RT,(Vicinity oflManh6le. 8"-),. .;K$ &,,.~&

~~ ~ ~ - -~~~ ~~Sa~qpLi~g te tDD Latitude -DEL 'opgtuide ~ E'tn Tioti

3-5' <145 10/4/20078-10' <145 I 10/4/200713-15' <145 2 104/2007 38.7573 -91 .7786 1846109.51 1065410.84

18-20'<145 - 04/200723-25' <145 - 10/4/2007Tritum in water None I Not sampled I I

NOTES:1) Bold value represents value detected above reportir




5) Analysis conducted by Environmental Inc. Midwest I

6) Stations represent field measured approximations. I

g limits.

aboratory.lot measured by professional surveyors.




2.CBoring CA-SOL-Sta. 2303 +- 98, 20',LT (icinit ~of Manhole 86'5)

Samle nteali~fet ~gs Ttiu (pi L Ewp~i~qD~ie D LtitdeDDLongitude; UTV Etirig ~UTM Northing

4-6' <167 1111/20079-11' <167 1/11/200714-16' <167 j 1/11/2007

19-21' <167 1/11/2007 38.7880 -91.7777 1846375.90 1065662.8824-26' <167 1/11/200729-31' <167 1/11/2007Tritium in Water None Not sampled

-Borin g: CA-SOL-Sta,23i 0 + 47.7, 33 LT•. cinitly (of Marntlole 86-4A)

SamiplIner- !tL bg s :~Tnt"ii /L' S£wpling Date DDLttd - LoUIINrhn

0-5' <158 j 219/20075-10' <158 2/9/2007

10-15' <158 2/9/2007 38.7596 -91.7774 1846479.21 1066248.3

Tntium in Water None - Not sampled

R• i . :•-, I CA.SOsta?23116-C1 :7:37'RT) c+nityf M7,nht e;86 3:-.

'anrieInteiral (fe g) Tuu p, L Sampingpa~ ,te _DDLatitude EID 0Longitude IJTM Eatn 'UTM Northing

0-5' <158 I 2/9/2007

5-10' <158 i 2/9/200710-15' <158 1 2/9/20071520' <158 2/9/2007_ 38.7612 -91.7774 1846452.23 1066823.75115-20' < 158 [ 2/9/2007,

20-25' <158 2/9/2007Tritium in Water None Not sampled __ __

NOTES:1) Bold value represents value detected above reportng limits.2) DD = Decimal Degrees.3) RT = Right of pipeline.4) LT = Left of pipeline.5) Analysis conducted by Environmental Inc. Midwest Laboratory.6) Stations represent field measured approximations!. Not measured by professional surveyors.




h. -Bodno CA.-SOL-Sta. 2316 + 66.7, 22'RT VicinityofMýanhboe386-3)

Sample IntervaLd fet tbgs) 'Trhfum' p&iL -iapling Date IDD L,,t(ijde DD Long itujde UTMV Eatng Ur. orhn

0-5' <155 i 2/9/20075-10' <158 2/9/200710-15' <158 2/912007 38.7613 -91.7775 1846425.86 1066883.2415-20' <158 i2/9/200720-25' <158 - 2/9/2007Tritium in Water None I Not sampled

-: Bnn C-S7OL-Sta. 23520 , 'n, 20'RT~ ,c-nity of Manhole 86-2) ,4

Sapýl~ntevtiva(feet bg's) Tri4'Vtium (pCi/L) Sanmpflii DAe DI Laiud DLo.nild TM Etig UTM No ,rthing

0-5' <156 I 2/9/20075-10' <165 i 2/9/200710-15' <165 - 2/9/2007 38.7624 -91.7777 1846378.19 1067280.4915-20' <165 2/9/200720-25' <158 2/9/2007Tritium in Water None I :Not sampled _1

SampleIriý a Trlbgs) pi,) S"1,1i aD ~iiUý DLnjtd UTM Eastin 1-T%1 No(tkmg

3-5' <156 I 10/4/20078-10' <156 1 10/4/200713-15' <156 I 10/4/200718-20' <156 10/4/2007 38.7634 -91.7791 1845957.75 1067660.4823-25' <156 f 10/4/200728-29' <156 10/4/2007Tritium in Water <156 10/12/2007


Manhole Tritium Investigation - Phase I TerraconCallaway PlantProject No. 00906701 ITSeptember 8, 2006

Table 2: Manhole 2 - Borehole Sampling ResultsMH 2

0-1': 219,003 6/30/20061-2': 249,630 6/30/2006unspecified 118,988 6/14/2006

Tritium in Water no sample dry

3-5': 673 6/30/20068-10': 791 6/30/200613-15': 966 6/30/200618-20': 1374 6/30/200623-25': 1381 6/30/2006Composite 500 6/30/2006

Tritium in Water 590 6/30/2006Tritium in Water <128' 7/5/2006

IVMHW2ZB12 2 .~:~~73 03ý L3~4. j*

'Sam Ielbjtbriv'I :fe~itbgs) Tritium,_i~Y+ Da~teX3-5': 174 7/11/20068-10': 175 7/11/200613-15': 879 7/11/2006

Tritium in Water 337 7/11/2006

5.5-7.5': 6,378 7/11/200614-16': 2,361 7/11/2006


Sam Ipe.,1nt'ervl j~bt-ýbgs Triidfiunj (CL) Dat3-5': 1 <165 7/11/20068-10': <165 7/11/200613-15': <165 7/11/2006

Tritium in Water 435 " 7/11/2006location MH-2 B-1B

2

Manhole Tritium Investigation - Phase I TerraconCallaway PlantProject No. 009067011TSeptember 8, 2006

Table 2: Manhole 3B - Borehole Sampling Results

0-11': 43,304 7/10/20061-2': 117,359 7/10/2006unspecified 19,257 6/14/2006


3-5': 187 7/10/20068-10': <159 7/10/200613-15': <159 7/10/200619-20': <159 7/10/2006


SahiTtti leI~iL:Date~4-6': <167 7/12/20069-11': <167 7/12/200617-19': <167 7/12/2006


- i-~---~-- ~

3-5': <167 7/12/20068-10': <167 7/12/200613-15': <167 7/12/2006


k~+~l~113. BA ~~7t55R50~?

3-5': <167 7/12/20068-10': <167 7/12/200613-15': <167 7/12/2006


3


Table 2: Manhole 5 - Borehole Sampling ResultsYM H7"':- YGW5+50:~

jpr1fl@e lrJtfvalte~tb KT~htiurn_ _QiL fDote -

0-1': 141,170 6/30/20061-2': 96,036 6/30/2006unspecified 214,455 6/14/2006

Tritium in Water. no sample dry

S'M H'~-,5,01311 , 1055ý1~

3-5': 174 7/5/20068-10': 3871 7/5/200613-15': <165 7/5/200618-20': <166 7/5/2006

Tritium in Water <128z 7/5/2006

113 1 G5 7ýTL49jj>ý

4-6': <165 7/5/20069-11': <165 7/5/200614-16': <165 7/5/200619.5-21.5': <165 7/5/2006


SMH7-5 .13;73~ ' ~105+29 R50-~S-ýapl Je lpervAi~ f bg_7§,5 Tiriit~u? CpiL) Datfe4-6': <166 7/6/20069-11': No Recovery14-16': <166 7/6/200618-20': <166 7/6/2006


~, ~' 1354-~ 1 Ž T1061ý2 1 1L21 -V$~Irn~el~itTral fee b(p -Li/L)ii Date L

4.5-6.5': <166 7/6/20069-11': <166 7/6/200614-16': <166 7/6/200619.5 20.5 <166 7/6/2006

Tritium in Water <128 7/6/2006'MH-5 B-1 ,B-1A Comp2 MH-5 B-1A

4


Table 2: Manhole 6 - Borehole Sampling Results

F2~~¾, ~4,L ŽZ<c!~ ~!IILt'~ C., C tXt¾~,~tr - . . ¾,

unspecified -300'unspecified <160 7/13/2006

Tritium in Water <138 7/13/2006Tritium in Water <160 7/28/2006

3-5': 188 7/13/20068-10': 236 7/13/200613-15': 272 7/13/2006

Tritium in Water <138 7/13/2006.

3-5': <163 7/13/20068-10': 215 7/13/200613-15': 230 7/13/2006


! : " ý MH-6 B-3 1'08+036R4:01-

3-5': <163 7/13/20068-10': 221 7/13/2006

13-15': <163 7/13/2006


¼MH-6,"B-4 , 107+62 L16/ -

S,5pipiý I nijal&eIý(pt gi)fsK. T~jjtju6rý pi/L '.Date~3-5': 1,204 7/13/20068-10': 2,303 7/13/200613-15': <163 7/13/2006


'Reported by AmerenUE

5


Table 2: Manhole 6B - Borehole Sampling ResultsMH-61 1,99

0-1': 64,704 7/6/20061-2': 53,981 7/6/2006unspecified 144,060 6/14/2006


3.5-5.5': 2491 7/6/2006

8.5-10.5': 7311 7/6/200613.5-15.5': 33841 7/6/200618.5-20.5': <165 7/6/2006


S~~~i ~ '( e ltrafet b~- s fflf -( ~Ii~ /1 L,) Dat3-5': <166 7/6/20068-10': <166 7/6/200613-15': <166 7/6/200620-21': <166 7/6/2006


4.5-6.5': <159 7/10/200613-15': 8,743 7/10/2006


M MH3-6B 4 ~ 1 09t60 Li _____

3-5': 194 7/10/20068-10': 25,863 7/10/200613-15': 5,284 7/10/200618-20': 793 7/10/2006


'Composite of B-1 and B-1 B

6

Manhole Tritium Investigation - Phase I TerraconCallaway PlantProject No. 00906701 1TSeptember 8, 2006

Table 2: Manhole 8 - Borehole Sampling Results

0-1 230,868 6/28/20061-2 147,428 6/28/2006unspecified 57,178 6/14/2006


3-5': 761 6/28/20068-10': 1,889 6/28/200613-15': <171 6/28/200618-20': <171 6/28/200623-25": <162 6/28/2006


3-5': <162 6/28/20068-10': 924 6/28/200613-15': 714 6/28/200618-20': <162 6/28/200623-25": <171 6/28/2006


MH48 B 3 1 1

3-5': <162 6/28/20068-10': 290 6/28/200613-15': <162 6/28/200618-20': <162 6/28/200623-25": <163 6/28/2006


9-11': 3,651 6/29/200613.5-15.5: <176 6/29/2006


7

Manhole Tritium Investigation - Phase I TerraconCallaway PlantProject No. 00906701 1TSeptember 8, 2006

Table 2: Manhole 9B - Borehole Sampling ResultsMH-9B1 K1i42~+47.5

SaMple Interval (fepet2 Tt• iL ) Date,0-1': 154,956 6/27/20061-2': 53,735 6/27/2006

Tritium in Water <138 5/4/2006Tritium in Water <124 6/28/2006

' MH-9B3 B-1 4+50~<SqrnpIe Interval (feet bgs) Tritiumr(pCi/L), >Date<3.5-5.5': 480 6/27/20068.5-10.5': <166 6/27/200613.5-15.5': <166 6/27/2006


MH-9B3 B-2> 1 4-2+90,R50 _____

Sample Interval (feet g,) Tritium (pGiL) &2 Date3-5': 197 6/27/20068-10': <171 6/27/200613-15': <171 6/27/200618-20': <171 6/27/200623-25': <171 6/27/2006


MH-91 B-3141+85 L70Sample, 1ntervaI'(feet bgs) -,Tritium~ (pCiL Date3-5': 5,223 6/27/20068-10': <171 6/27/200613-15': 302 6/27/200618-20': 588 6/27/200623-23': 569 6/27/2006


MH-9B3B-4 >141+301L15 -~

Sample' Interval- (feet1bgs~) Tritium_________ Date3.5-5.5': 204 6/27/20068-9': 665 6/27/2006


8

Manhole Tritium Investigation - Phase I TerraconCallaway PlantProject No. 009067011 TSeptember 8, 2006

Table 2: Manhole 11A - Borehole Sampling ResultsMH-1 1A ~ 232_______ _80__

Sample Interval (feet bg~s)~ Tritiiuirn5Ci/L)- ~Date.0-1': 816 6/29/20061-2': 669 6/29/2006unspecified 885 6/15/2006


S§am~ple Inera (fe g Tritium (pCi/L):'~ Date3-5': <176 6/29/20068-10': <176 6/29/200613-15': <176 6/29/2006


MIH-1 1 A B-2< 232+25 L25~Sample lntqrval (feet bg) (Tritium (p~i/L)j Date3-5': 722 6/29/20068-10': <176 6/29/200613-14': <165 6/29/200617-18': <165 6/29/2006


<MH-1I AJB-3 : 'K231+95'R40~

3-5': <176 6/29/20068-10': 992 6/29/200613-15': <165 6/29/200618-19.5: <165 6/29/2006

Tritium. in Water <173 7/11/2006

9

DIC 2601.2

DECOMMISSIONING RECORDKEEPING LOG

Event ReportNumber(YY-XXX) Prepared by Date Location Event Description

mDrain Tritium discharged to the Storm92-001(1) R. Winslow 11/14/07 Stormd Drain Pond from 1984 - 1992 viaT-1, T02, & T-3 sumps.

Contaminated sumps containing92"002(1) Storm Drain measurable gamma-emitting(combined R. Winslow 11/14/07 Pond isotopes were routed to Turbinewith 92-001) Bldg sumps and discharged to the

Strom Drain Pond.Sewage Sewage Treatment Plant

92-003(1) R. Winslow 11/14/07 Treatment contaminated via a cross-Plant connection from FFTF.Cooling Sludge removed from Cooling

92-004(1) R. Winslow 12/6/07 Tower sludge Towers contains low levels ofdisposal site radioactivity.

Contaminated sediment fromSpray Pond cleanout of the SW Spray Ponds

93-001(1) R. Winslow 12/6/07 sediment in 1989 and 1991 was placed indisposal sites disposal trenches south of the

Protected Area.

Storm Drain PER 298-0783: Isotopic analysis98-001 R. Winslow 12/12/07 Pond of discharge to storm drainindicates some Co-60 present

PER 200-1826: Co-60 found inliquid nitrate waste. These

00-001(2) wastes typically are drained to the,(combined N N/A -.Storm.Drain Storm-Drain Pond_-Determined to-with 98-001) Pond be cross-contamination of sample

container, and not a radioactivedischarge to the SDP.

01_001(2) Storm Drain PER 201-1381: Potentially(combined R. Winslow 12/12/07 Pond contaminated water poured downwith 98-001) drain to Storm Drain Pond

01-002(2) Storm Drain PER 201-1233: Water drained to(combined R. Winslow 12/12/07 Pond Storm Drain Pond usingwith 98-001) potentially contaminated hoses

03-001 Storm Drain PER 203-0856: Tritium levels in(combined R. Winslow 12/12/07 Pond January composite sample ofwith 98-001) storm drain outfall water elevated.

PER 203-2356: Radioactive waterfound in demineralized water

03-002(2) system including DWST.(combined R. Winslow 12/12/07 Storm Drain Leakage from pumps and DWSTwith 98-001) Pond overflow goes to the Storm Drain

Pond. (Note there were multiplePERs - documenting multiplecontamination events.)

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DIC 2601.2

DECOMMISSIONING RECORDKEEPING LOG

03-003(2) PER 203-3885: Tritium detected in(combined R. Winslow 12/12/07 Storm Drain the WOA air wash water. Thiswith 98-001.) Pond drains to the Storm Drain Pond.

05-001 Storm Drain CR 2-05-08789: Increased Co-60(combined R. Winslow 12/12/07 Pond was observed at the Storm Pondwith 98-001) discharge during October.

Soil samples indicate Co-60 and

0/40 Cs-137 along pipe with higherlevels indicated in valve box 12.06-1 MLodne Contamination in CBD valveboxes re-mediated (reference AR-

OER 53852).

(')Reference G02-06-100, COLUMBIA GENERATING STATION, DOCKET NO. 50-397,GROUNDWATER PROTECTION - DATA COLLECTION QUESTIONNAIRE(2)Reference PTL 244301, REVIEW SITE OPERATING HISTORY FOR EVIDENCE OF PASTSPILLS AND LEAKS TO THE ENVIRONMENT

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