ML12340A755

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Official Exhibit - ENT00575J-00-BD01 - GZA Geoenvironmental, Inc., Waterloo Sampling Data Sheet
ML12340A755
Person / Time
Site: Indian Point  Entergy icon.png
Issue date: 07/22/2011
From:
GZA GeoEnvironmental
To:
Entergy Nuclear Operations, Atomic Safety and Licensing Board Panel
SECY RAS
References
RAS 23566, 50-247-LR, 50-286-LR, ASLBP 07-858-03-LR-BD01
Download: ML12340A755 (64)
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Text

{{#Wiki_filter:ENT00575J Submitted: October 2, 2012 United States Nuclear Regulatory Commission Official Hearing Exhibit In the Matter of: Entergy Nuclear Operations, Inc. (Indian Point Nuclear Generating Units 2 and 3) ASLBP #: 07-858-03-LR-BD01 Docket #: 05000247 l 05000286 Exhibit #: Identified: Admitted: Withdrawn: Rejected: Stricken: Other: ENT00575J-00-BD01 10/15/2012 10/15/2012 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet (Vll D Qu;~*f--r5L S ityn PL£S CLIENT: Entergy. IPEe PROJECfNO: SITE: Buchanan, NY DATE: WEATHER: Q1N'tlJi I tJQ' s SAMPLER(S): SAMPLING INTERVAL (depth in ft below top of casing) TOTAL VOLUME PURGED: /tl,0 to

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SAMPLE ID: OIf3 L IQ gal PURGE RA TE: variable (gall min) SAMPLING PORT I PURGE METHOD: WATER QUALITY: Time Specific Purged Volume Temp (oC) Conductivity Dissolved pI-! (SU) ORP (m/Volts) Oxygen (mg/I) (gal) (mS/m) 13%) (3%) (10%) (+1*0.1) (+1-10) I DS2:, r1 f'Llrvt P [) N /.C;-I lo1. 101 \\\\, I (,0, Equipment Used YSI 556 MPS Reader and 5563 Sonde turbidity meter NOTES AND OBSERVATIONS: Measured Well Depth NI A ( feet from top of casing) Double Valve Pump Turbidity (NTU) (10%) O\\~1-It: *. 2, Lot Drive/Vent Drive Pressure Cycle (seconds) (psi) Equipment Identification # ,t; 7iiT1 012-54 Well Vault Condition boOP ___ _

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GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet M\\f) ~ &u*A-I2.:-T612-SA1VlP (,.-£-,.5 CLIENT: Entergy - [PEC PROJECT NO: SITE: Buchanan. NY WEATHER: 5 1t'{1\\1"-/, ttc> ~ > DATE: SAMPLER(S): SAMPLING INTERVAL (depth in ft below top of casing) TOTAL VOLUME PURGED: /EO.S to j(P5 WELLID: MW 03- /63 SAMPLE ill: 6t fJ PURGE RATE: variable (gall min) SAMPLING PORT /b3 PURGE METHOD: WATER QUALITY: Time (SU) ORP (mlVolts) SpeClIlC Purged Volume Temp ('C) Conductivity (gal) (mSlm) Dissolved H Oxygen (mg/l) P (3%) (3%) (1O%) (+1- 0.1l (+1-IO) t

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GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELL ID: MW ~ <oS-.* L/ '(( SAMPLE ID: Do L CLIENT: Entergy - IPEC SITE: Buchanan, NY WEATHER: 5 1lflJ'{lI'1 f '3D'S Mtv-a~~~ 8AM P~~s WATER QUALITY: DTW = 14. g6 ow Elevation or Temp Specific Dissolved Conductivity Oxygen Time OW Elevation (0C) (S/cm) (gil) <<0.3 fl) (3%) (3%) (10%) II z.1. 1'1,8'6 Purn( oN 1/'2>5 [6.2..\\ It*LI# hi ~ (Lj 2.\\', 1[11 ~ is. G) & \\q. L} I (I). L-j "1 L.\\ fJ,9;(17 } I.t=)f) 1ft;, O ~ 2\\, 13 h.Y./~ n.~1 tl q;- ](i? I " 2:2*l-t3 D*Li-Z1 fJl14 IWO IltJ*L.1 1.2/12-o.'4iC) nnz..t \\1JJ6 1({)- 3i IZ7.,*iS (-}.4 g 2-tJ,11v 1'201 c:...---rAi2..-T g~ PuS CoLt 1EL--110'f' 17 I t\\ lSNb.QA rM t? ( 'F. tn L-Ec..: ~ O (\\.J: z. t>\\)..1'\\1\\ P () p,:; Equipment Used YSI 556 MPS Reader and 5563 Sonde flow meter turbidity meter PROJECT NO: DATE: SAMPLER(S): PUMP DEPTH: pH ORP (SU) (m/Volts) (+/- O.l) (+/- 10) CJ.*{dJ'> l02*L\\ 10*20 07*Q (OerM Z5h,CJ (D, l{1 ~I.O lD,~ f<l). 'l Il').4~ 1?S/.2 ) L-TRe r 01.0017869.92 7 {J lu Turbidity Flow Rate (NTU) (gallhr) (10%) ~?i/.1( ,2,LI'7.?J M'?)*l1 ~3.1 338* ~ 3Lf3*2 ft Notes (q,at) - q 0, I 'D. 2-0*2..'-1 o,z~ /J, l~ D* 3r:; Equipment Identification # I J.a:Jl04z..Q,3 Measured Well Depth ( feet from top of casing) Well Vault Condition f!JotZ.-CIJ ge Bf?cteN NOTES AND OBSERVATJONS: Total volume purged D IS: gal ~C-e 8LA(), Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms!. .-ve (JeD ' C> ~ (,j&J...- VAi-tL-, (htUi))-rtoN: fPOR- ' CDV'~ sC4;li.a.V, w,,~ 1,...00c.. 1t-AAcc.H:f\\t\\J~M MISS, J ~.,., 'SUt'2.t=flCE ~E. O~6fV'Nb ~ .sU/tFr'\\C e.. WA-r~ AWL> 'D e=.B{2..IS: Wf(L--rg.A-r~",. EVIDeA/.::::.-e; ~-t6-i. \\1\\I~II..-Te.t\\"'CtDN e,~O Ilil. 01-::' VI) 1..1..... VVW \\...\\ {\\IlUcx.'f.

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PUMP I);:F Equipment Used YSI 556 MPS Reader and 5563 Sonde flow meter turbidity meter Measured Well Depth ( feet from top of casing) 01.0017869.92 lls/'I ______ ft Turbidity Flow Rate (NTU) Notes (gallhr) ((,d) (10%) 1(0.05 0,/0 I~,IO O"B IS,/:h (),)f1 IJSdCI 0, bJ. 5,95 (},~O h,$J. /*03 i.J_I){i) 1,14 3.5A i,LlI 3,30 1,55 '3 1~ /.10 3.10 1,~3

,/~

/,13 d-,If:, (}.Q:)

),,73

~//2. Equipment Identification # I I rltuf('JJ tYI3 Well Vault Condition ~,~ NOTES AND OBSERVATIONS: Total volume purged Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms\\.

GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELL ID: )flU ICXl SAMPLEID:Q)5 CLIENT: Entergy - IPEC PROJECT NO: SITE: Buchanan, NY I WEATHER: ~1 '8'1). A:H)- QUM.Tef( 5AIfPt;Ei&- DATE: SAMPLER(S): PUMP DEPTH: ft WATER QUALITY: DTW = h.?'.? GW Elevation ~ or Temp Specific Dissolved pH ORP Turbidity Conductivity Oxygen Flow Rate Time GW Elevation (DC) (SU) (mlVolts) (NTU) Notes (S/cm) (gIl) (gal/hr) (&4.1) << 0.3 ft) (3%) (3%) (10%) (+1- 0.1) (+1-10) (10%) II...IFt UJ.3ft? p~ IP OJJ lJO~ 6.39 '4/,l13 J.'i J~

.,o~

~;:#(} l.}o.'1 "1/1 0, Or 1,10 6.31S JI. ~'1 i.~8 I, 'If) t." "1'5 tI)'!~ 3,;5 (),J1 1315 b,Je 31.11 II~ I. f)'f ,,-16 , 3~.J ~,41 0",6 IJdO (,,38 at,a3 /. &:3 OJ fI (p..,., M.' 1.5? 0,55 IJa5 '.3~ Jf.Olf /,,15}- 61;( ~.]f3 37,'1 1.;1 O.l'S }1:tJ h.3$1 ~,"'1 Ie 7SO O,~9 ',17- ~,3 0//8 it).. 93 ,}-3)- 5TiJLf fJA-~Pt.t (1 fll.1Af01 rtJJJ JJ-LJ5 eJJ7> II '1

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'opp Equipment Used Equipment Identification # YSI 556 MPS Reader and 5563 Sonde I flow meter I turbidity meter J-txl1-0tf 713 1I1"!J Well Vault Condition Measured Well Depth ( feet from top of casing) ~JxP4 NOTES AND OBSERVATIONS: Total volume purged ), OS' gal Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms!.

GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELL ID: U) - ~53 SAMPLEID: aFT CLIENT: Entergy - IPEC PROJECT NO: SITE: Buchanan, NY DATE: WEATHER: f1VNI\\tf; ~s SAMPLER(S): PUMP DEPTH: 5L,e13 I _______ ft WATER QUALITY : DTW =0'-17 GWEI f eva Ion ILt, 1,06 DTWor Temp Specific Dissolved pH ORP Turbidity Conductivity Oxygen Flow Rate Time GW Elevation (0C) (SU) (mNolts) (NTU) Notes (S/cm) (gil) (gallhr) << 0.3 ft) (3%) (3%) (10%) (+1- 0.1) (+1-10) (10%) _~l ~ 1-2-'6 ~.'S"<>D P'-LVlIl Ip QI\\J u \\,,?J~ {.~OZJ lJ~,\\q '1--~~7. o,-~2 7_L?3.5t3;c::r ~.LjO, IJ*OS \\ 1.-3 OS '7.'50 I l:z..m 2."?.. ~ "3 ~.sq 1 '.~'3 '10', S:2.~ O\\IS

12. '-t :3 1",43l

'l2*f$i "2.."6" (",52-i i.. CJJS 6lt~ 4,(~ f).'2.s , '1 L-l<"6 1,- '?:ff{, 2'2-.52 2-. L..J a, 1.'i~ t oll ~.I 'i, '-iCP O* 35' \\ 1.. S3a 7.3S~ ~'l.Lf\\ 2. '-{ 03\\,',.40 1'/.15 32t.1 1'S.loO D,'+5 t 1--S'g

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1.'3~O Z,1.U ').., L(Cf9 11. '-4. 1.. ~2. 4~., 3.91 (J,lPS \\'1>oti ~ ftHL'T 5)~ lL LoLl-' c"'n~1\\, (633 i.5J'\\j u.<: ft-vl.tPl..:t ('J)I-.l a nVN~2-L- :IP~ c p~P() A= Equipment Used Equipment Identification # YSI 556 MPS Reader and 5563 Sonde Z. flow meter turbidity meter 'i01Y70 4 ZPt"3 Well Vault Condition e.OVl;? Measured Well Depth (feet from top of casing) NOTES AND OBSERVATIONS: Total volume purged 0,10 gal Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms!.

GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELLID: U)-3 SAMPLE ID: 0/(..[ CLIENT: Entergy - IPEC SITE: Buchanan, NY WEATHER: fC/4~ l~ " f!t2{ M I b - aU. f\\-{L -rEe- &rN! p L-B-~ PROJECT NO: DATE: SAMPLER(S): PUMP DEPTH: 01.00 17869.92 ~'£R -+J+l ____ ft WATER QUALITY: DTW= GW Elevation DTWor Temp Specific Dissolved pH ORP Turbidity Conductivity Oxygen Flow Rate Time GW EWYaI.ioa (DC) (SU) (m/Volts) (NTU) Notes (f'C~-~ (S/cm) (g/l) (gal/hr) (cJ << 0.3 ft) (3%) (3%) (10%) (+/- 0.1) (+/- 10) (10%) II '50 {O,4tR AIAM P ('))J JI.55 n, ullO /}1./.01-I r 1./83 l.tll{ 1-53 J.:JIJ. £. ~,33 0,15 lJaJ JO, i(q3 84()~ J uN) /,Jq 7,=z. /o~, J 3;03 0,31 IJ05

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),(h tJ*5"3 f1lR /0.141./( AtJ.IO /.ti1b /.05 7,~ q&.~ d,ilL 0,61-i)-II 10, I.lt.fl ~rlO,.1./11( Ii {,() 1.JF1 ql/,L/ .),Lll/ (),~O I~J;;'- 5TftR.'7 5AMPL. E f!.OU,,£L i77IJ.AJ J];Y; EJJD /1 /I , lL- ~Pt t! ~ft\\L rJJ HO~ ~ (llAl"Mj U PI.A.MP r?FP Equipment Used Equipment Identification # YSI 556 MPS Reader and 5563 Sonde Ot flow meter ~ turbidity meter ,:}()fFk) J,;-51.1 Measured Well Depth ( feet from top of casing) Well Vault Condition ~ eM i NOTES AND OBSERVATIONS: Total volume purged 0,95 gal Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms!.

GZA GeoEnvironmental of New York WELLID: U3-4D Modified Traditional Purge Sampling Data Sheet SAMPLE ID: O:rt CLIENT: Entergy - IPEC SITE: Buchanan, NY Measured Well Depth ____ ( feet from top of casing) WATER COLUMN HEIGHT Cft) .Jl*;r5 1, 1;- = DTB DTW GALLONS OF WATER PER WELL VOLUME: Water Column Height 11 53 x O,{25'3 Multiplier PROJECT NO: 01.0017869.92 DATE: SAMPLER(S):

  • 101/11 WeD Vault Conditio~~~~~~

Well Diameter: Il,53 ft Well Column Height Diameter = ---=-'.l..;. /,.....:. t./...:.. L/....:...~ __ gal Well Volume 1 2 4 Multipliers 0.041 0.163 0.653 x 1.5 = _..:...-1 =I .:..i,~d.~ ____ gal Designed Purge Volume TOTAL VOLUME PURGED: gal WATER QUALITY: DTW= GW Elevation Volume Temp Specific Dissolved pH ORP Turbidity DTW or Conductivity Oxygen Time Purged COW EICYalion (QC) (SU) (mNolts) (NTU) Notes (gal) < ?UUM\\,~ (S/cm) (gil) << 0.3 ft) (3%) (3%) (10%) (+1- 0.1) (+1-10) (10%) l()D5 0 f)/, /1;./ Pu~.p ().AJ 101 S" J ~Cf,lUJ 81,51/ 0*9/1 ktt2- ~.l/c/ n3.;z /,btI lOlq --l, 4fj JJ ~ i ldi.W O,~n /.I34 _~,IIL j~,J J, J.f3 /OJJ 3 1./6. ~ 1& .30. as o,n; d-,13 8,lII 175.9 /I(}I IOJq "I 45.;;)() <.l(},4J-- 0.1,3 J,J3

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/()~ 5 'Ia* fJ1::t <jQ.t{i} 0.1-51.1 J.,;35 g.tlO 113,0 0,89 103*1-b 11(}.335 ,30.31-O,':f11 J,}5 I@.'IO /llJ.3 oJft IOLf:1- =I .~,J03 YJ,II.') 0,1(/c .J,3;.- ifJtJO ill/tO 0,'16 1041-a 35/'uQ

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(?D4J~r. ~.v 11.'5'5 £.A.JI) ~I It ~ tll-nEd PI1J;JP l ~fF I'J.'iL WE/f (PJoQDN AJJAl..YSfS.-rAJ HaK.£) Equipment Used Equipment Identification # YSI 556 MPS Reader and 5563 Sonde 3 turbidity meter ~::zn) ;r 5"~' NOTES AND OBSERVATIONS: Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet ms!.

GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELL ID: fA rtlj SAMPLE ID: 00 if CLIENT: Entergy - IPEC SITE: Buchanan, NY WEATHER: {MNN'C 'JO'~ MID,-QIAMT6{L SAM Pt.£s. PROJECT NO: DATE: SAMPLER(S): PUMP DEPTH: 01.0017869,92

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ft WATER QUALITY : DTW = R8R OWEI evatlOn DTWor Temp Specific Dissolved pH ORP Turbidity Conductivity Oxygen Flow Rate Time GW Elevation (DC) (SU) (mNolts) (NTU) Notes (S/cm) (gil) (gal/hr) << 0,3 ft) (3%) (3%) (10%) (+1- 0,1) (+1-10) (10%) I'~I IO~~ O K~8 'Pl-(Mf OrJ "D 10',20 g.~~ ];(~ \\.11'1 O.~'L /.,lo '-/1,~ICJ '1.&5 D.OS- /0 111 ~')f1 2t110~ I. Oe't'2. 0*51 iflU; -lcg2", 5,g4 a,U) iQ) "b2- ~.'i5S 2-~,c..tl I l lS'&' Olt.t~ 'l/l'l -Iq~-;f 5;31 1J.?J..i

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'8.~4 14{6 I d~ O\\1Jp 1.'3\\ -\\C;S;3 '1.3rR 0.15 10 '!:')?, 8". 'g3 l~,"% 1,18f1 oah 1. '"b"2 -20(1, I 4.ft fJr~5' 1051 sr.~ '7_ L~.I,~, lf81 0,'2.1 I. "02- -2OJ..L:t t..j * (P.S" O,Cj5 II 02 c;:)j~, Mn1, L.~ /..;f) t..U L-no'f'J d ")..1 6N-o.~{ mttPU: U)L...t G-i-l 'JON' U ~eL ' fJ* 51- IPt5L V..IN:'~C ~ \\>UVl1~O I ';.1";: Equipment Used Equipment Identification # YSI 556 MPS Reader and 5563 Sonde 4 flow meter turbidity meter 2erndn/J2. Measured Well Depth (feet from top of casing) Well Vault Condition ~,(l.. *6(:L7S S71!.1fPEj) NOTES AND OBSERVATIONS: Total volume purged I, 15 gal Depth and Depth to Water (DTW) measurements are given in feet from top of casing, Groundwater Elevation measurements are given in feet ms!.

GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet WELL ID: U '3 -T:J-SAMPLE ID: 038 CLIENT: Entergy - [PEC SITE: Buchanan, NY WEATHER: f).cv.'D II J Q '~, GoMEr P~PI,(A7toiJ N I6IiT wr:v~ (Vlt:D-W Ae-r6Z- &\\MPLa; PROJECT NO: DATE: SAMPLER(S): PUMP DEPTH: 01.0017869.92 51- '(JIll (CJ? ft WATER QUALITY' DTW -;3"11 GW Elevation '1 f~'2 j DG;77(t ~ DTWor Temp Specific Dissolved pH Conductivity Oxygen Time GW Elevation (0C) (SU) (Stcm) (gil) << 0.3 ft) (3%) (3%) (10%) (+t- 0.1) tfiLJ3 g,O-W PtA.IVl Pol'll 00,51..- 2.'1'153 20.46,. '6,1 4,O7 '7.71 o~ ].*4*7~ 1£l*hl {. '?J45" 3.01 "7,_~ 002-2-9/1 2.~"~ 1*'633 2JS5 'l,~5 toOl '2 -~ (.,'L 1-Oj 4~ t:~32 to 1/ 7,~5 10 l1- 'l_~~D 'l.a,.?ft 1.1:> I ~ I. '6(p It %(P It) I, 2- *'151 'let.n l*~OO

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'7. 'lf7 I 0'1."2.- 1 *'141 3D.o( 1,2.'72-Q*lLA 1<01 101-, l.. PiLiD 30*1.3 1,1'1)5 0.,2., 1."61 to 61-- 7-., l)o~ 2-.~~cr" (*1.'14 o* ws J. fs<i< lOb~ S-r~( <;:.A-rvtf lc U;>t.-L 6L. c /Of\\ ) l(')s5 C;N"b ~fr M.fLl7 Col. L6L m ONl 2J.,"IP PUm ~ OF r- \\ Equipment Used YSI 556 MPS Reader and 5563 Sonde flow meter turbidity meter Measured Well Depth (feet from top of casing) NOTES AND OBSERVATIONS: ORP Turbidity Flow Rate (m/Volts) (NTU) Notes (gallhr) t~() (+t-10) (10%) \\,J -CJI-D I 2-, tJL 0,0 I -IIS,~. 4.lI (;).}O -to/.s ;;'.~ fJ,ZU -107.. (0 2.1/ () ';SD -140.'2.. Z.*li f) 45 -IEn,D LL/i a*{;D

  • -llifiJ* 0

/.40 0, '72 -/70. 2 f. '-10 {J,KS; -nY*cr /.3'1 j*OD cC Equipment Identification # 2 2oofa4Za,~ Well Vault Condition GOOD Total volume purged 1,16 gal Depth and Depth to Water (DTW) measurements are given in feet from top of casing. Groundwater Elevation measurements are given in feet msi.

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX E: Q4-2011 MID-QUARTER SAMPLING DATA SHEETS NO POST QUARTER 4-2011 SAMPLES COLLECTED

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX F: Q4 2011 DOSE CALCULATIONS

Facility Groundwater Flux Calculation Site Indian Point Prepared By: JAS Job No. 17869.92 Reviewed By: mjb Parameter Values: Totals Total Catchment Zone (ft^2) Total Improved Zone (ft^2) Recharge (ft/yr) Precipitation (ft/yr) 3,969,765 1,432,972 1.31 5.06 year Surface Area 2011 Northern Clean Zone Improved (ft^2) Unit 2 North Improved Zone (ft^2) Unit 1/2 Improved Zone (ft^2) Unit 3 North Improved Zone (ft^2) Unit 3 South Improved Zone (ft^2) Southern Clean Improved Zone (ft^2) 0 148,214 433,904 316,210 321,290 213,354 Northern Clean Unimproved Zone (ft^2) Unit 2 North Unimproved Zone (ft^2) Unit 1/2 Unimproved Zone (ft^2) Unit 3 North Unimproved Zone (ft^2) Unit 3 South Unimproved Zone (ft^2) Southern Clean Zone Unimproved (ft^2) 106,429 204,317 438,221 323,116 268,862 585,600 Discounted Area Within Zone Discounted Area Within Zone Discounted Area Within Zone Discounted Area Within Zone Discounted Area Within Zone Discounted Area Within Zone 50,265 0 291,186 106,718 17,730 144,347 Northern Clean Zone Catchment (ft^2) Unit 2 North Catchment Zone (ft^2) Unit 1/2 Catchment Zone (ft^2) Unit 3 North Catchment Zone (ft^2) Unit 3 South Zone (ft^2) Southern Clean Zone (ft^2) 156,694 352,531 1,163,311 746,044 607,882 943,302 Activity (pCi/L) Groundwater Northern Clean Zone Catchment Unit 2 North Unit 1/2 Unit 3 North Unit 3 South Zone Southern Clean Zone Upper Zone Before Canal 150 0 9,781 1,914 1,711 0 Lower Zone Before Canal 150 516 3,303 2,681 740 0 Northern Clean Zone Unit 2 North Unit 1/2 Unit 3 North Unit 3 South Zone Southern Clean Zone Upper Zone After Canal 150 499 3,684 436 1,711 0 Lower Zone After Canal 150 673 903 880 740 0 Stormwater Discharging to Canal (pCi/L) Storm Water for Northern Clean Zone Storm Water for Unit 2 North Storm Water for Unit 1/2 Storm Water for Unit 3 North Storm Water for Unit 3 South Storm Water for Southern Clean Zone 3,256 0 2,093 1,053 NA Avg MH-4 NA Avg CB-14 and CB-34 Avg U3-CB-B8 Avg D1, C3, E6, & E10 Stormwater Discharging to River (pCi/L) Storm Water for Northern Clean Zone Storm Water for Unit 2 North Storm Water for Unit 1/2 Storm Water for Unit 3 North Storm Water for Unit 3 South Storm Water for Southern Clean Zone 0 0 780 0 NA Avg. MH-1 and MH-12 Avg MH-14 Avg CB-15 NA Avg E13,CB-C2 Potential Water Received by Storm Drain System =(Improved Area) x Precipitation Northern Clean Area Unit 2 North Unit 1/2 Unit 3 North Unit 3 South Southern Clean Zone Units 0 749,221 2,193,386 1,598,443 1,624,119 1,078,507 ft^3/yr 0 2,053 6,009 4,379 4,450 2,955 ft^3/day 0.00 10.66 31.22 22.75 23.12 15.35 GPM 0 21,215,582 62,109,760 45,262,866 45,989,919 30,539,914 L/Yr Water Directly Recharged to Aquifer from Precipitation =Unimproved Area x Recharge Northern Clean Area Unit 2 North Unit 1/2 Unit 3 North Unit 3 South Southern Clean Zone Units 139,880 268,534 575,954 424,671 353,366 769,654 ft^3/yr 383 736 1,578 1,163 968 2,109 ft^3/day 1.99 3.82 8.20 6.04 5.03 10.95 GPM 3,960,956 7,604,042 16,309,205 12,025,336 10,006,208 21,794,184 L/Yr The total amount of water available to be received by the storm system is computed as the combined area of buildings and paved areas in the catchment multiplied by the annual precipitation rate. Note this conservatively assumes that the amount of water lost to the atmosphere or other sinks after precipitation has fallen on paved or built up surfaces is zero. J:\\17,000-18,999\\17869\\17869-92.MG\\Q4-2011\\Dose Calculations\\ Q4 2011 (App F) Dose Calcs-Draft.xls; Rainfall_model_H3 Page 1 of 3 Print Date: 8/20/2012

Facility Groundwater Flux Calculation Site Indian Point Prepared By: JAS Job No. 17869.92 Reviewed By: mjb Water Recharged to Aquifer (Direct Recharge Plus Storm Water Leakage Minus Building Drain Removal) =(Direct Recharge + X% Water Received by Storm System) - (Y% x Water Removed by Building Drains) Total Water Discharged to Aquifer [Northern Clean Area Catchment + (0% Storm Drain Water)]1 [Unit 2 North + (50% Storm Drain Water)]-[5gpm] [Unit 1/2 Area Catchment + (30% Storm Drain Water)]- [7.5 gpm] [Unit 3 North Area Catchment + (60% Storm Drain Water)]- [7.5gpm] [Unit 3 South Area + (10% Storm Drain Water)] [Southern Clean Zone Area + (40% Storm Drain Water)] Units 139,880 291,832 707,001 856,768 515,778 1,201,057 ft^3/yr 383 800 1,937 2,347 1,413 3,291 ft^3/day 1.99 4.15 10.06 12.19 7.34 17.09 GPM 3,960,956 8,263,771 20,020,040 24,260,962 14,605,200 34,010,150 L/Yr 1 There are no improved surfaces in Northern Clean Zone. Groundwater Discharged to Canal =Water Recharged to Aquifer x X% flowing to Canal Northern Clean Area Catchment x 0% Unit 2 North x 15.2% Unit 1/2 Area Catchment 24.2% Unit 3 North Area Catchment x 22.9% Unit 3 South Area x68.4% Southern Clean Zone Area x 0% Units 0 44,359 171,094 196,200 352,792 0 ft^3/yr 0 122 469 538 967 0 ft^3/day 0.00 0.63 2.44 2.79 5.02 0.00 GPM 0 1,256,093 4,844,850 5,555,760 9,989,957 0 L/Yr Groundwater Discharged to River =Water Recharged to Aquifer x X% flowing to River x Y% Flowing in Appropriate Vertical Zone Northern Clean Area Catchment x 100% x 59.3% Unit 2 North x 84.8% x 15.1% Unit 1/2 Area Catchment x 75.8% x 11.7% Unit 3 North Area Catchment x 77.1% x 47.9% Unit 3 South Area x 31.6% x 31.3% Southern Clean Zone Area x 100% x 55.2% Units 82,949 37,369 62,701 316,412 51,015 662,984 ft^3/yr 227 102 172 867 140 1,816 ft^3/day 1.18 0.53 0.89 4.50 0.73 9.44 GPM 2,348,847 1,058,159 1,775,497 8,959,792 1,444,571 18,773,603 L/Yr Northern Clean Area Catchment x 100% x Unit 2 North x 84 8% x Unit 1/2 Area Catchment 75 8% x Unit 3 North Area Catchment x 77 1% Unit 3 South Area Southern Clean Zone Upper Zone Upper and Lower Zone Upper and Lower Zone Catchment x 100% x 40.7% Unit 2 North x 84.8% x 84.9% Catchment 75.8% x 88.3% Catchment x 77.1% x 52.1% Unit 3 South Area x 31.6% x 68.7% Southern Clean Zone Area x 100% x 44.8% Units 56,931 210,105 473,206 344,156 111,971 538,074 ft^3/yr 156 576 1,296 943 307 1,474 ft^3/day 0.81 2.99 6.73 4.90 1.59 7.66 GPM 1,612,109 5,949,519 13,399,693 9,745,410 3,170,672 15,236,547 L/Yr Water Remaining in Storm Drains and Discharged to Canal =Storm Drain Water x X% Not Leaking to Groundwater and Not Discharging to River Northern Clean Area Catchment (0% Storm Drain Water) Unit 2 North (45% Unit 2 North and 30% of Unit 1/2 Storm Drain Water). Plus 5 gpm (351k cf/yr) from U2 footing drain. Unit 1/2 Area Catchment (0% Storm Drain Water) Unit 3 North Area Catchment (3% Unit 3 North Storm Drain Water) Unit 3 South Area (3% Unit 3 North and 42% Unit 3 South Storm Drain Water) Southern Clean Zone Area (30% Unit 1/2, 27% Unit 3 North, 43% Unit 3 South, and 55% Southern Clean Zone Storm Drain Water) Units 0 1,346,165 0 47,953 730,083 2,381,145 ft^3/yr 0 3,688 0 131 2,000 6,524 ft^3/day 0 19.16 0.00 0.68 10.39 33.89 GPM 0 38,120,999 0 1,357,886 20,673,652 67,426,519 L/Yr Water Remaining in Storm Drains and Discharged to River Northern Clean Area Catchment (0% Storm Drain Water) Unit 2 North (5% Storm Drain Water) Unit 1/2 Area Catchment (10% Storm Drain Water) Unit 3 North Area Catchment (7% Storm Drain Water) Unit 3 South Area (5% Storm Drain Water) Southern Clean Zone Area (5% Storm Drain Water) Units 0 37,461 219,339 111,891 81,206 53,925 ft^3/yr 0 103 601 307 222 148 ft^3/day 0 0.53 3.12 1.59 1.16 0.77 GPM 0 1,060,779 6,210,976 3,168,401 2,299,496 1,526,996 L/Yr Lower Zone J:\\17,000-18,999\\17869\\17869-92.MG\\Q4-2011\\Dose Calculations\\ Q4 2011 (App F) Dose Calcs-Draft.xls; Rainfall_model_H3 Page 2 of 3 Print Date: 8/20/2012

Facility Groundwater Flux Calculation Site Indian Point Prepared By: JAS Job No. 17869.92 Reviewed By: mjb Flux Calculations Conceptual Model: Migration Pathway Summary Northern Clean Area Unit 2 North Unit 1/2 Unit 3 North Unit 3 South Southern Clean Zone GW 100% Upper and Lower Zone To River 84.8% Upper Zone and Lower Zone Flow To River. 15.2% Upper Zone and Lower Zone Flow to Canal 75.8% Upper Zone and Lower Zone To River. 24.2% Upper Zone and Lower Zone to Canal 77.1% Upper Zone and Lower Zone To River. 22.9% Upper Zone and Lower Zone to Canal 31.6% Upper Zone and Lower Zone To River. 68.4% Upper Zone and Lower Zone to Canal 100% Upper and Lower Zone To River SW NA To Canal (Storm Water Considered Clean; Estimated at 5.5 GPM) and To River (5% Storm Water) To Canal (60% Storm Water) and To River (10% Storm Water) To Canal (33% Storm Water) and To River (7% Storm Water) To Canal (85% Storm Water) and To River (5% Storm Water) To Canal (55% Storm Water) and To River (5% Storm Water) Flux (pCi/Yr) North Clean Area Unit 2 North Unit 1/2 Unit 3 North Unit 3 South South Clean Zone Total GW to River-Upper Zone 3.52E+08 5.28E+08 6.54E+09 3.90E+09 2.47E+09 0.00E+00 1.38E+10 GW to River-Lower Zone 2.42E+08 4.00E+09 1.21E+10 8.58E+09 2.35E+09 0.00E+00 2.73E+10 GW to Canal 0.00E+00 0.00E+00 4.74E+10 1.06E+10 1.71E+10 0.00E+00 7.51E+10 SW to Canal NA 1.24E+11 0.00E+00 0.00E+00 4.33E+10 7.10E+10 2.38E+11 SW to River NA 0.00E+00 0.00E+00 2.47E+09 0.00E+00 0.00E+00 2.47E+09 Curies/Yr==> 0.36 Notes: The recharge rate used herein, 26% of precipitation (~10 in/yr), is within the range of values discussed in the USGS modeling report1. The reported recharge ranged from 3.6 inches/year to 7.5 inches/year for a till to 20 inches per year for coarse grained glacially stratified deposits. A yearly rolling average precipitation value measured at the Facility meteorological station is also used in the computations. The catchment area was defined using an AutoCAD topo map for the Site and surrounding area. The catchment was defined by starting at the area marked "line of water grant" and tracking east, away from the River, to define portions of the land surface contributing water to the selected discharge zone. Calculations assume that run-off or overland flow in unimproved areas of the Site is negligible, there are no changes in storage and the Hudson River is a gaining stream.

1. USGS. Water Use, Ground-Water Recharge and Availability, and Quality of Water in the Greenwich Area, Fairfield County, Connecticut and Westchester County, New York, 2000-2002 J:\\17,000-18,999\\17869\\17869-92.MG\\Q4-2011\\Dose Calculations\\

Q4 2011 (App F) Dose Calcs-Draft.xls; Rainfall_model_H3 Page 3 of 3 Print Date: 8/20/2012

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX G: Q4 2011 UNIT 2 TRITIUM PLUME TREND ANALYSES

TABLE G1 MANN-KENDALL TREND EVALUATION

SUMMARY

TRITIUM IN GROUNDWATER NEAR UNIT 2 INDIAN POINT ENERGY CENTER BUCHANAN, NY Well ID Number of Data Points Number of Times below MDC Minimum Tritium Activity (pCi/L) Maximum Tritium Activity (pCi/L) Mann-Kendall Statistic (S) Normalized Test Statistic (Z) Probability Trend at 95% Level of Significance MW-30-69 46 0 7.36E+04 6.01E+05 -221 -2.08 0.981 decreasing MW-30-84 33 0 3.78E+03 1.25E+04 149 2.29 0.989 increasing MW-31-49 44 0 2.98E+02 1.04E+05 58 0.58 0.718 no trend MW-31-63 32 0 5.00E+03 7.35E+04 67 1.07 0.858 no trend MW-31-85 32 0 3.17E+02 2.25E+04 111 1.78 0.963 increasing MW-32-59 31 0 4.13E+02 1.55E+05 55 0.92 0.821 no trend MW-32-85 30 0 5.42E+03 1.49E+04 166 2.94 0.998 increasing MW-32-149 27 0 1.99E+02 1.05E+04 3 0.04 0.517 no trend MW-32-173 25 0 4.31E+02 5.89E+03 -74 -1.70 0.956 decreasing MW-32-190 29 0 1.21E+03 1.13E+04 -310 -5.80 1.000 decreasing MW-33 26 0 3.69E+03 2.64E+05 -167 -3.66 1.000 decreasing MW-35 20 0 1.04E+03 1.19E+05 -88 -2.82 0.998 decreasing MW-36-24 22 4 1.54E+02 3.42E+04 33 0.90 0.817 no trend MW-36-41 17 0 2.63E+03 5.52E+04 -89 -3.62 1.000 decreasing MW-36-52 22 0 3.14E+03 2.68E+04 -173 -4.85 1.000 decreasing MW-37-22 24 0 2.26E+03 3.49E+04 -54 -1.31 0.906 no trend MW-37-32 24 0 2.49E+03 3.01E+04 -88 -2.16 0.985 decreasing MW-37-40 23 0 3.92E+03 1.70E+04 -125 -3.27 0.999 decreasing MW-37-57 24 0 4.05E+03 4.48E+04 -116 -2.85 0.998 decreasing MW-42-49 25 0 1.12E+03 7.22E+04 -113 -2.62 0.996 decreasing MW-42-78 20 2 3.46E+02 1.28E+03 -32 -1.01 0.843 no trend MW-49-26 26 0 2.59E+03 1.54E+04 -210 -4.61 1.000 decreasing MW-49-42 26 0 1.90E+03 1.13E+04 -203 -4.45 1.000 decreasing MW-49-65 26 0 1.26E+03 5.76E+03 -140 -3.06 0.999 decreasing MW-50-42 28 4 1.01E+02 9.75E+03 -4 -0.06 0.524 no trend MW-50-66 32 0 2.08E+03 1.08E+04 -126 -2.03 0.979 decreasing MW-53-82 21 1 2.27E+02 1.32E+04 -58 -1.72 0.957 decreasing MW-53-120 24 0 3.81E+03 9.61E+03 -150 -3.70 1.000 decreasing MW-55-24 19 0 7.82E+02 3.08E+03 -12 -0.38 0.650 no trend MW-55-35 18 0 8.53E+02 9.04E+03 -43 -1.59 0.944 no trend MW-55-54 19 0 5.47E+03 1.31E+04 -31 -1.05 0.853 no trend MW-111 37 0 6.81E+03 5.78E+05 -319 -4.16 1.000 decreasing MW-66-21 19 4 8.28E+01 3.57E+03 -55 -1.89 0.971 decreasing DOWNGRADIENT WELLS g MW-66-36 18 0 3.01E+03 9.10E+03 -99 -3.71 1.000 decreasing MW-67-39 17 0 2.55E+03 5.07E+03 -36 -1.44 0.925 no trend MW-67-105 18 0 9.94E+02 2.93E+03 -93 -3.48 1.000 decreasing MW-67-173 18 1 4.47E+02 1.05E+03 -106 -3.98 1.000 decreasing MW-67-219 17 0 6.41E+02 1.44E+03 -20 -0.78 0.783 no trend MW-67-276 17 0 6.79E+02 1.18E+03 -32 -1.28 0.899 no trend MW-67-323 17 4 3.09E+02 1.29E+03 -13 -0.49 0.689 no trend MW-67-340 17 1 2.75E+02 6.69E+02 28 1.11 0.867 no trend Notes: Calculations based on Mann-Kendall trend evaluations as presented in U.S. EPA Practical Methods for Data Analysis, U.S. EPA QA/G-9 QA00 UPDATE, July 2000, Section 4.3.4 J:\\17,000-18,999\\17869\\17869-92.MG\\Q4-2011\\Dose Calculations\\Mann-Kendall\\Q4 2011 Mann_Kendall_Tests_jas.xlsx; Mann-Kendall Summary Page 1 of 18 Print Date: 2/22/2012

6 9 12 15 280,000 420,000 560,000 700,000 of Monthly Precipitation Tritium Activity (pCi/L) MW-30 Tritium Activity Waterloo samples low flow samples *

1. MW-30-69: Packer Test (70-75')
  • low flow samples collected open hole 1

(see logarithmic plot for trend in MW-30-84) FIGURE G1 0 3 0 140,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 Inches o MW-30-69 MW-30-84 Precipitation

10 15 100,000 1,000,000 es of Monthly Precipitation Tritium Activity (pCi-L) MW-30 Tritium Activity (logarithmic) Waterloo samples low flow samples *

1. MW-30-69: Packer Test (70-75')
  • low flow samples collected open hole 1

FIGURE G1a 0 5 1,000 10,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 Inche MW-30-69 MW-30-84 Precipitation

6 9 12 15 48,000 72,000 96,000 120,000 of Monthly Precipitation Tritium Activity (pCi-L) MW-31 Tritium Activity low flow samples

  • Waterloo Samples
1. MW-31-49: Packer Test (43-52')
  • low flow samples collected open hole FIGURE G2 0

3 0 24,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 Inches o MW-31-49 MW-31-63 MW-31-85 Precipitation 1

6 9 12 15 64,000 96,000 128,000 160,000 nches of Monthly Precipitation Tritium Activity (pCi-L) MW-32 Tritium Activity Waterloo Samples low flow sample *

  • low flow sample collected open hole
1. MW-32-131: Data below MDC.

Sample's activity results displayed. FIGURE G3 0 3 0 32,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 In MW-32-59 MW-32-85 MW-32-131 MW-32-149 MW-32-173 MW-32-190 Precipitation 1

6 9 12 15 120,000 180,000 240,000 300,000 nches of Monthly Precipitation Tritium Activity (pCi/L) MW-33 Tritium Activity FIGURE G4 0 3 0 60,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 In MW-33 Precipitation

4 6 8 10 120,000 180,000 240,000 300,000 nches of Monthly Precipitation Tritium Activity (pCi/L) MW-34 Tritium Activity FIGURE G5 0 2 0 60,000 Sep-05 Jan-06 May-06 Sep-06 Jan-07 May-07 Sep-07 In MW-34 Precipitation

6 9 12 15 60,000 90,000 120,000 150,000 nches of Monthly Precipitation Tritium Activity (pCi/L) MW-35 Tritium Activity FIGURE G6 0 3 0 30,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 In MW-35 Precipitation

6 9 12 15 24,000 36,000 48,000 60,000 ches of Monthly Precipitation Tritium Activity (pCi-L) MW-36 Tritium Activity

1. Data below MDC. Samples' activity results displayed.

FIGURE G7 0 3 0 12,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 Inc MW-36-24 MW-36-41 MW-36-52 Precipitation 1 1 1 1

6 9 12 15 20,000 30,000 40,000 50,000 nches of Monthly Precipitation Tritium Activity (pCi-L) MW-37 Tritium Activity FIGURE G8 0 3 0 10,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 In MW-37-22 MW-37-32 MW-37-40 MW-37-57 Precipitation

6 9 12 15 6,000 9,000 12,000 15,000 Inches of Monthly Precipitation Tritium Activity (pCi-L) MW-42 Tritium Activity MW4249: Tritiumdataon 3/16/09equals72,200pCi/L

1. Data below MDC. Samples' activity results displayed.

FIGURE G9 0 3 0 3,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 I MW-42-49 MW-42-78 Precipitation 1 1

6 9 12 15 8,000 12,000 16,000 20,000 Inches of Monthly Precipitation Tritium Activity (pCi-L) MW-49 Tritium Activity FIGURE G10 0 3 0 4,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 I MW-49-26 MW-49-42 MW-49-65 Precipitation

6 9 12 15 6,000 9,000 12,000 15,000 nches of Monthly Precipitation Tritium Activity (pCi-L) MW-50 Tritium Activity

1. Data below MDC. Samples' activity results displayed.

FIGURE G11 0 3 0 3,000 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 In MW-50-42 MW-50-66 Precipitation 1 1 1 1

6 9 12 15 6,000 9,000 12,000 15,000 nches of Monthly Precipitation Tritium Activity (pCi-L) MW-53 Tritium Activity

1. Data below MDC. Samples' activity results displayed.

FIGURE G12 0 3 0 3,000 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 In MW-53-82 MW-53-120 Precipitation 1

6 9 12 15 8,000 12,000 16,000 20,000 Inches of Monthly Precipitation Tritium Activity (pCi-L) MW-55 Tritium Activity FIGURE G13 0 3 0 4,000 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 MW-55-24 MW-55-35 MW-55-54 Precipitation

6 9 12 15 320,000 480,000 640,000 800,000 nches of Monthly Precipitation Tritium Activity (pCi-L) MW-111 Tritium Activity FIGURE G14 0 3 0 160,000 May-05 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 I MW-111 Precipitation

6 9 12 15 6,000 9,000 12,000 15,000 Inches of Monthly Precipitation Tritium Activity (pCi-L) MW-66 Tritium Activity 1.Q1 2010analyticalresultsforMW6621andMW6636were interchangedtocorrectasamplemisidentificationafterinspectingthe datatrendsinbothsamplingports(bothhistoricandforQ22010). 2.MW6621:DatabelowMDC.Sample'sactivityresultsdisplayed. FIGURE G15 0 3 0 3,000 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 I MW-66-21 MW-66-36 Precipitation 1 1 2 2 2 2

6 9 12 15 2,400 3,600 4,800 6,000 Inches of Monthly Precipitation Tritium Activity (pCi-L) MW-67 Tritium Activity

1. Data below MDC. Sample's activity results displayed.

FIGURE G16 0 3 0 1,200 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 MW-67-39 MW-67-105 MW-67-173 MW-67-219 MW-67-276 MW-67-323 MW-67-340 Precipitation 1 1 1 1 1

0.00 0.01 0.02 0.03 0.04 0.05 Bounding Q2 2007 Q3 2007 Q4 2007 Q1 2008 Q3 2008 Q4 2008 Q1 2009 1 Q4 2011 0.029 0.025 0.023 0.022 0.019 0.018 0.018 0.016 0.016 0.016 0.017 0.021 0.016 0.016 0.017 0.017 0.015 0.013 0.019 0.017 0.015 0.014 0.012 0.011 0.011 0.013 0.012 0.012   FigureG17 Q2 2009 Q3 2009 Q4 2009 Q1 2010 Q2 2010 Q3 2010 Q4 2010 Q1 2011 Q2 2011 Q3 201 0.010 0.011 0.010 0.010 0.010 0.010 0.009 0.009 Quarterly Total Tritium Activity (Ci) Changes in Total Estimated Tritium Plume Activity Over Time - Q4 2011 Upper Estimate of Total H3 Activity Lower Estimate of Total H3 Activity Note: Lower estimate is based on a porosity of 0.0003 which was derived from a pumping test conducted in 2006. Upper estimate is based on a porosity of 0.003 derived from a tracer test conducted in 2007. The Q2 2007 to Q4 2011 Tritium plume activity estimates are each based on Tritium levels measured in the groundwater monitoring installations at individual, quarterly snapshots in time.

  • The bounding activity estimate, however, encompasses a longer period of time, and is focused on the Tritium levels existing during the earliest portions of the groundwater investigation. During this period of time, before termination of all the identified SFP leaks, Tritium concentrations were at their highest levels, but the network of monitoring installations was still being installed. Therefore, measurements made at a multiple times were required to capture early data covering the full extent of the Tritium plume; primarily over the period from Nov 2005 through Nov 2006 (a smaller percentage of the Tritium levels required inclusion of measurements through Sept 2007). For the bounding Tritium plume activity estimate, the highest value recorded for each monitoring location during this time period was used in the analysis. For further discussion see Sections 6.0, 7.0 and 8.0 of the Final Hydrogeologic Site Investigation Report, prepared by GZA and dated January 7, 2008.

0.03 0.00 0.06 0.09 0.12 0.15 0.098 91% overall reduction 0.149 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 Nov05 Nov06 Nov07 Nov08 Nov09 Nov10 Nov11 Activity(Ci) ExponentialDecayCurveFittingforEstimatedActivity 55% reduction since Q2 2007 Bounding* Bounding* Total Tritium Plume Activity (Ci) The bounding curve of total Unit 2 Tritium plume activity as a function of time approximates a first order decay approaching a positive, horizontal asymptote. The beginning of the curve is consistent with that expected after elimination of all leaks from the Unit 2 SFP. The middle, more horizontal portion of the curve is reflective of Tritium addition to the groundwater from the transient R.O. Skid spill (Q4 2009). The later portion of the curve shows re-establishment of the decreasing trend with dissipation of the R.O. Skid spill. The curve is expected to trend to a new, lower horizontal asymptote reflecting a small continuing release of Tritium to the groundwater from retention mechanism(s) storage of historical and more recent releases. A relatively horizontal asymptote would be expected to persist until the majority of this stored Tritium is purged from the retention mechanism(s). UpperEstimate LowerEstimate asymptotes=0.013 Ci(upper),0.008Ci(lower) r2 =0.9900(upper),0.9881(lower)

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX H: SOUTHERN BOUNDARY WELLS

TEMPORAL TRITIUM TRENDS IN SOUTHERN BOUNDARY WELLS (Q4 2011) 0 1 2 3 4 5 -50 40 130 220 310 400 Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Jan-11 Jul-11 Jan-12 Daily Precipitation (in) Tritium Activity (pCi/L) MW40 MW-40-27 MW-40-46 MW-40-81 MW-40-100 MW-40-127 MW-40-162 Rainfall 0 1 2 3 4 5 -50 40 130 220 310 400 Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Jan-11 Jul-11 Jan-12 Daily Precipitation (in) Tritium Activity (pCi/L) MW51 MW-51-40 MW-51-79 MW-51-104 MW-51-135 MW-51-163 MW-51-189 Rainfall FIGURE H1

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX I: MW-68 BOREHOLE, WELL COMPLETION AND GEOPHYSICAL LOGS

MW-68 COORDINATES: NORTH: EAST: BORING NO. Indian Point Energy Center HARDNESS INSITU PROPERTIES WEATHERING STABILIZATION TIME open borehole - 1 day PROJECT NO: REVIEWED BY: 01.0017869.92 / 6 INCH REC.(IN / IN) REC.(FT/FT) DATUM DATE START: 10/13/2011 LUIDS LOST LONS) G. SURF. EL. TES GROUND WATER READINGS ALUE BORING CO.: Aquifer Drilling and Testing SAMPLER: 6" hand auger, 2" O.D. split spoon, PQ core barrel SAMPLER HAMMER: 140 lbs Automatic/300 lbs Donut DEPTH RE REC (%) D (%) ENGINEER: Josh Simpson DATE 11/2/11 CASING SIZE: 8" CASING HAMMER: spun (4" core) and reamed to 8" H (FT) NG (MIN/FT) ROCK CORE: PQ core barrel DATE END : 12/22/2011 FOREMAN: David Carter PRELIMINARY BORING LOG FINAL BORING DEPTH (FT) 150' 18.49' SH. 1 OF 5 Buchanan, NY CORE NO. EPTH (FT) SAMPLE DESCRIPTION REV. 1 MAP 10.2' NO. OF FRACTURES PER FOOT GRAPHY/ RE ZONE 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 S1 2.0 - 2.5 4 5 S2 4.0 - 4.5 6 7 S3 5.5 - 6.0 8 9 S4 8.0 - 8.2 >100 3/tip 10 200 11 S5 10.0 - 10.2 >100 3/1.5 50 12 13 S1: Brown, fine to medium SAND and GRAVEL, trace silt. S2: Gray and black, GRAVEL and COBBLES, little(-) fine sand, trace silt. S3: NO RECOVERY. BLOWS / SOIL PEN. / R ROCK PEN. / DRILLING FL (GALL NOT N VA TOTAL COR RQD DEPTH CORIN SAMPLE / C SAMPLE D SAMPLE DESCRIPTION S4: Very dense, gray, fine to medium SAND, little gravel, trace(+) silt. 6 S5: Potential slough from above. Gray, GRAVEL, little fine to medium sand, trace silt. 7 SAND 1, 2 3 4, 5 BEDROCK 8 STRATIG FRACTUR see below for values see below for values see below for values 13 14 4 R1 14.3 - 17.8 3.5/3.0 85.7 23.8 50 X X X 15 5 60 X X X 16 7 30 FZ X X X 17 4 (1/2 foot) 30 X X X 18 4 R2 17.8 - 22.8 5.0/4.5 89.4 83 100 X X X 19 5 50 X X X 20 5 25 X X X 21 5 X X X 22 5 25 FZ X X X 23 6 R3 22.8 - 27.8 5.0/4.0 80 64.5 10 X X X 24 3 40 FZ X X X 25 1 FZ X X X 26 3 20 X X X 27 4 40 X X X 28 6 R4 27.8 - 32 8 5 0/5 0 100 41 6 55 X X X R1: Moderately hard to hard, moderate to slight weathering, fine to medium grained, gray and brown, MARBLE. 15.8-16.5 ft: Moderately weathered, rough, sub-vertical fractures. Rock sub-angular with fine sand on fracture faces. R2: Hard, moderate to slight weathering, fine grained, gray, MARBLE. Fracture Zone: 21.4-22.2 ft. Smooth to rough, very close, sub-horizontal, mineralization in fracture. R3: Hard to moderately hard, slight to moderate weathering, fine grained, gray, MARBLE. Fracture Zone: 25.0-26.0 ft. Rough, sub-vertical to sub-horizontal, sub-angular to sub-rounded pebbles with fine sand on surfaces. R4: Moderately hard to hard, moderate to slight weathering, fine grained, gray MARBLE 8 28 6 R4 32.8 5.0/5.0 100 41.6 55 X X X 29 3 X X X 30 4 25 X X X BPF DENSITY CONSISTENCY VERY LOOSE VERY SOFT 1 1 COMPLETE VERY CLOSE/VERY THIN HORIZONTAL LOOSE SOFT 2 MEDIUM 2 SEVERE CLOSE/THIN SUB-HORIZONTAL MEDIUM DENSE M. STIFF 3 MODERATELY HARD 3 MODERATE MOD CLOSE/MOD THICK MOD DIPPING DENSE STIFF 4 HARD 4 SLIGHT WIDE/THICK SUB-VERTICAL VERY DENSE V.STIFF 5 VERY HARD 5 MECHANICAL BREAK VERY WIDE/VERY THICK VERTICAL HARD NOTES:

1) Water level readings have been made at times and under conditions stated. Fluctuations of groundwater levels may occur due to other factors than those present at the time measurements were made.
2) Stratification lines represent approximate boundaries between soil and rock types, transitions may be gradual.
3) Vacuum excavated completed to 6 feet below ground surface. Samples S1 through S3 were collected with a hand auger.
5) Unable to collect a sample with hand auger for S3 due to numerous cobbles/gravel and limited sand/fines at 5.5 to 6 feet below ground surface.
6) Grout/mud mat possibly observed in sample S4. After grinding with the roller bit for approximately 10 minutes, the rods dropped approximately one foot without resistance. Additionally, no return water recirculated back into the wash tub. 8.2 to 9.2 ft bgs.
7) Top of bedrock at approximately 10 feet below ground surface.
8) 10 inch ID augers advanced into bedrock to 14.2 feet below ground surface. Eight inch casing place inside the augers, grouted into rock and and the augers were removed from the hole. Spun the augers out in reverse through 7 feet below ground surface.

gray, MARBLE. HARDNESS VERY SOFT JOINT/FRACTURE CHARACTERISTICS ATTITUDE 

<2

>50 (2) 1-2 (3) 3-10 (4) 11-20 30-50 4-8 15-30 8-15 2"-1' 3'-10' SPACING/THICKNESS WEATHERING ROCK CORE CHARACTERISTICS 

>30 (1) 0

>10' MW-68 COHESIVE SOILS <2" 2-4 NO. PER FT 0-4 4-10 BORING NO. 1'-3' GRANULAR SOILS

4) Saturated soil observed at approximately 6 ft below ground surface. Possibly perched water above mud mat.

10-30 BPF

MW-68 OTES INSITU PROPERTIES NO. OF FRACTURES PER FOOT HARDNESS WEATHERING / REC.(IN / IN) / REC.(FT/FT) ORE REC (%) D (%) FLUIDS LOST LLONS) SAMPLE DESCRIPTION GRAPHY/ URE ZONE TH (FT) ING (MIN/FT) / CORE NO. DEPTH (FT) S / 6 INCH VALUE ROCK CORE: PQ core barrel DATE END : 12/22/2011 CASING HAMMER: spun (4" core) and reamed to 8" DATE START: 10/13/2011 CASING SIZE: 8" ENGINEER: Josh Simpson 11/2/11 10.2' open borehole - 1 day SAMPLER: 6" hand auger, 2" O.D. split spoon, PQ core barrel BORING CO.: Aquifer Drilling and Testing GROUND WATER READINGS SAMPLER HAMMER: 140 lbs Automatic/300 lbs Donut FOREMAN: David Carter DATE DEPTH CASING STABILIZATION TIME DATUM FINAL BORING DEPTH (FT) 150' PROJECT NO: 01.0017869.92 G. SURF. EL. 18.49' PRELIMINARY BORING LOG SH. 2 OF 5 BORING NO. REVIEWED BY: see below for see below for see below for see below for see below for see below for 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 31 3 R4 continued 30 X X X 32 6 X X X 33 5 R5 32.8 - 37.8 5.0/5.0 100 80 100 X X X 34 7 40 X X X 35 4 15 X X X 36 5 15 X X X 37 3 20 X X X 38 5 R6 37.8 - 42.8 5.0/5.0 100 70 80 X X X 39 5 15 X X X 40 3 20 X X X 41 3 20 X X X 42 5 X X X 43 4 R7 42.8 - 47.8 5.0/4.9 98 43.3 75 FZ X X X R7: Moderately hard to hard, moderate weathering, fine grained, gray, MARBLE. R5: Moderately hard to hard, moderate to slight weathering, fine grained, gray, MARBLE. R6: Hard to moderaterly hard, moderate to slight weathering, fine grained, gray, MARBLE. NO SOIL PEN. / ROCK PEN. TOTAL CO RQ DRILLING F (GAL STRATI FRACTU DEPT COR SAMPLE / SAMPLE D BLOWS N V see below for values see below for values see below for values see below for values see below for values see below for values 44 3 FZ X X X 45 4 50 X X X 46 4 X X X 47 4 X X X 48 4 R8 47.8 - 52.8 5.0/5.0 100 20 70 X X X 49 4 25 X X X 50 4 10 X X X 51 3 30 FZ X X X 52 3 FZ X X X 53 4 R9 52.8 - 57.8 5.0/5.0 100 48.8 75 X X X 54 4 X X X 55 3 30 X X X 56 4 X X X 57 4 X X X 58 5 R10 57.8 - 62.8 5.0/5.0 100 73.3 100 X X X R9: Moderately hard to hard, moderate to slight weathering, fine grained, gray, MARBLE. R10: Hard, slight weathering, fine to medium grained, dark gray, MARBLE. 9 MARBLE. Fracture Zone: 43.5 - 45.0 ft. Sub-vertical to sub-horizontal, rough to smooth, iron oxide stainin (oxidation) on surfaces. R8: Moderately hard to hard, moderate weathering, fine grained, dark gray, MARBLE. Fracture Zone: 49.5 - 51.3 ft. Sub-horizontal to sub-vertical, rough to smooth, calcite healing/mineralization within fractures. Fines coating fracture surface at 51 ft below ground surface. FZ 59 4 50 X X X 60 4 30 X X X BPF DENSITY CONSISTENCY VERY LOOSE VERY SOFT 1 1 COMPLETE VERY CLOSE/VERY THIN LOOSE SOFT 2 MEDIUM 2 SEVERE CLOSE/THIN MEDIUM DENSE M. STIFF 3 MODERATELY HARD 3 MODERATE MOD CLOSE/MOD THICK DENSE STIFF 4 HARD 4 SLIGHT WIDE/THICK VERY DENSE V.STIFF 5 VERY HARD 5 MECHANICAL BREAK VERY WIDE/VERY THICK HARD NOTES:

9) 56.2 - 56.7 ft below ground surface: Dark gray marble with calcite crystals on fracture surface.

BORING NO. MW-68 0-4 VERY SOFT <2" 0°-5° BPF HARDNESS WEATHERING NO. PER FT SPACING/THICKNESS ANGLE Fracture Zone: 62.0 - 62.8 ft. Calcite healing/mineralization within fractures. GRANULAR SOILS COHESIVE SOILS ROCK CORE CHARACTERISTICS >50 15-30 >10' 85°-90° 

>30 10-30 4-8 (3) 3-10 1'-3' 35°-55° 30-50 8-15 (4) 11-20 3'-10' 55°-85° 4-10 2-4 (2) 1-2 2"-1' 5°-35°
<2 (1) 0 JOINT/FRACTURE CHARACTERISTICS

MW-68 PRELIMINARY BORING LOG SH. 3 OF 5 BORING NO. REVIEWED BY: PROJECT NO: 01.0017869.92 G. SURF. EL. 18.49' DATUM FINAL BORING DEPTH (FT) 150' SAMPLER: 6" hand auger, 2" O.D. split spoon, PQ core barrel BORING CO.: Aquifer Drilling and Testing GROUND WATER READINGS SAMPLER HAMMER: 140 lbs Automatic/300 lbs Donut FOREMAN: David Carter DATE DEPTH CASING STABILIZATION TIME CASING SIZE: 8" ENGINEER: Josh Simpson 11/2/11 10.2' open borehole - 1 day CASING HAMMER: spun (4" core) and reamed to 8" DATE START: 10/13/2011 ROCK CORE: PQ core barrel DATE END : 12/22/2011 TH (FT) ING (MIN/FT) / CORE NO. DEPTH (FT) S / 6 INCH VALUE / REC.(IN / IN) / REC.(FT/FT) ORE REC (%) D (%) FLUIDS LOST LLONS) SAMPLE DESCRIPTION GRAPHY/ URE ZONE OTES INSITU PROPERTIES NO. OF FRACTURES PER FOOT HARDNESS WEATHERING see below for see below for see below for see below for see below for see below for 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 61 6 R10 continued 20 X X X 62 3 30 FZ X X X 63 3 R11 62.8 - 67.8 5.0/5.0 100 76.7 70 X X X 64 4 60 X X X 65 5 50 X X X 66 4 60 X X X 67 4 40 X X X 68 4 R12 67.8 - 72.8 5.0/5.0 100 61.7 50 X X X 69 5 50 X X X 70 4 20 X X X 71 5 15 X X X 72 4 10 X X X 73 3 R13 72.8 - 77.8 5.0/4.8 96 68.3 70 X X X DEPT COR SAMPLE / SAMPLE D BLOWS N V SOIL PEN. / ROCK PEN. TOTAL CO RQ DRILLING F (GAL STRATI FRACTU NO 10 R11: Hard, slight weathering, fine grained, gray, MARBLE. R12: Hard to moderately hard, slight to moderate weathering, fine grained, gray to dark gray, MARBLE. 11 R13: Hard to moderately hard, slight weathering, fine grained, dark gray, MARBLE. see below for values see below for values see below for values see below for values see below for values see below for values 74 5 60 X X X 75 4 50 X X X 76 6 30 X X X 77 4 40 X X X 78 3 R14 77.8 - 82.8 5.0/5.0 100 11.7 100 FZ X X X 79 4 40 FZ X X X 80 3 60 X X X 81 3 40 X X X 82 3 30 X X X 83 3 R15 82.8 - 87.8 5.0/5.0 100 31.7 30 X X X 84 4 30 X X X 85 6 20 X X X 86 4 15 X X X 87 4 30 X X X 88 4 R16 87.8 - 92.8 5.0/5.0 100 21.7 30 X X X MARBLE. 12 R14: Hard to moderately hard, slight to moderate weathering, fine grained, gray, MARBLE. Fracture Zone: 79.0 - 80.9 ft. Sub-vertical to sub-horizontal, rough to smooth, iron oxide staining and fines on fracture surfaces. FZ R15: Hard, slight to moderate weathering, fine grained, gray, MARBLE. R16: Hard to moderately hard, slight to moderate weathering, fine grained, gray, MARBLE. 89 4 20 X X X 90 3 20 X X X BPF DENSITY CONSISTENCY VERY LOOSE VERY SOFT 1 1 COMPLETE VERY CLOSE/VERY THIN LOOSE SOFT 2 MEDIUM 2 SEVERE CLOSE/THIN MEDIUM DENSE M. STIFF 3 MODERATELY HARD 3 MODERATE MOD CLOSE/MOD THICK DENSE STIFF 4 HARD 4 SLIGHT WIDE/THICK VERY DENSE V.STIFF 5 VERY HARD 5 MECHANICAL BREAK VERY WIDE/VERY THICK HARD NOTES:

10) Calcite mineralization (milky white and clear) in fractures at 62.0 - 63.5 ft below ground surface.
11) Dark gray MARBLE with calcite healed fractures at 71 - 72 ft below ground surface.
12) Calcite mineralization/healing in fractures at 77 - 78 ft below ground surface.

GRANULAR SOILS COHESIVE SOILS ROCK CORE CHARACTERISTICS JOINT/FRACTURE CHARACTERISTICS NO. PER FT SPACING/THICKNESS ANGLE g y, 0-4 

<2 VERY SOFT (1) 0

<2" 0°-5° BPF HARDNESS WEATHERING 4-10 2-4 (2) 1-2 2"-1' 5°-35° 10-30 4-8 (3) 3-10 1'-3' 35°-55° 30-50 8-15 (4) 11-20 3'-10' 55°-85° >50 15-30 >10' 85°-90° 

>30 BORING NO.

MW-68

MW-68 PRELIMINARY BORING LOG SH. 4 OF 5 BORING NO. REVIEWED BY: PROJECT NO: 01.0017869.92 G. SURF. EL. 18.49' DATUM FINAL BORING DEPTH (FT) 150' SAMPLER: 6" hand auger, 2" O.D. split spoon, PQ core barrel BORING CO.: Aquifer Drilling and Testing GROUND WATER READINGS SAMPLER HAMMER: 140 lbs Automatic/300 lbs Donut FOREMAN: David Carter DATE DEPTH CASING STABILIZATION TIME CASING SIZE: 8" ENGINEER: Josh Simpson 11/2/11 10.2' open borehole - 1 day CASING HAMMER: spun (4" core) and reamed to 8" DATE START: 10/13/2011 ROCK CORE: PQ core barrel DATE END : 12/22/2011 TH (FT) ING (MIN/FT) / CORE NO. DEPTH (FT) S / 6 INCH VALUE NO. OF FRACTURES PER FOOT HARDNESS WEATHERING SAMPLE DESCRIPTION GRAPHY/ URE ZONE OTES INSITU PROPERTIES / REC.(IN / IN) / REC.(FT/FT) ORE REC (%) D (%) FLUIDS LOST LLONS) see below for see below for see below for see below for see below for see below for 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 91 4 R16 continued 20 X X X 92 3 15 X X X 93 3 R17 92.9 - 97.9 5.0/5.0 100 33.3 70 X X X 94 3 35 X X X 95 5 15 X X X 96 4 15 X X X 97 2 30 X X X 98 3 R18 97.9 - 102.9 5.0/5.0 100 30 40 X X X 99 3 25 X X X 100 4 15 FZ X X X 101 5 10 FZ X X X 102 5 10 X X X 103 5 R19 102.9 - 107.9 5.0/5.0 100 35.8 35 X X X DEPT COR SAMPLE / SAMPLE D BLOWS N V FZ 13 STRATI FRACTU NO SOIL PEN. / ROCK PEN. TOTAL CO RQ DRILLING F (GAL R17: Hard to moderately hard, slight weathering, fine to medium grained, gray, MARBLE. Sub-vertical to vertical, smooth fracture through majority of core run. R18: Hard to moderately hard, slight to moderate weathering, fine grained, gray, MARBLE. Fracture Zone: 99.7 - 100.5 ft. Sub-vertical, smooth, iron oxide staining and pyrite on fracture surfaces. R19: Hard, slight weathering, fine grained, gray, MARBLE. see below for values see below for values see below for values see below for values see below for values see below for values 104 7 40 X X X 105 6 30 X X X 106 6 60 X X X 107 6 55 X X X 108 6 R20 107.9 - 111.8 3.9/3.9 100 10.7 150 X X X 109 6 90 X X X 110 6 70 X X X 111 12 100 X X X 112 8 R21 111.8 - 112.8 1.0/1.0 100 70.8 120 X X X 113 5 R22 112.8 - 117.8 5.0/5.0 100 30.5 40 X X X 114 4 70 X X X 115 8 90 X X X 116 7 70 X X X 117 7 60 X X X 118 4 R23 117.8 - 122.8 5.0/5.0 100 31 65 X X X 14 15 R22: Hard, slight to moderate weathering, fine grained, gray, MARBLE. Vertical fracture with calcite deposited at 113 - 116 ft below ground surface. Rosy quartz and pyrite deposits at 114.8 - 115.8 ft below ground surface. 16 17 R23: Hard, slight weathering, fine grained, gray, MARBLE. R20: Hard, slight weathering, fine grained, gray, MARBLE. R21: Hard, slight weathering, fine grained, gray, MARBLE. 119 6 50 X X X 120 6 35 X X X BPF DENSITY CONSISTENCY VERY LOOSE VERY SOFT 1 1 COMPLETE VERY CLOSE/VERY THIN LOOSE SOFT 2 MEDIUM 2 SEVERE CLOSE/THIN MEDIUM DENSE M. STIFF 3 MODERATELY HARD 3 MODERATE MOD CLOSE/MOD THICK DENSE STIFF 4 HARD 4 SLIGHT WIDE/THICK VERY DENSE V.STIFF 5 VERY HARD 5 MECHANICAL BREAK VERY WIDE/VERY THICK HARD NOTES:

13) Staining and fines on fracture surfaces at 90.3 - 91.0 ft below ground surface.
14) Approximately 0.8 ft of slough fell into the hole between R-19 and R-20.
15) Mechanical break (#5 classification for weathering) indicates zones that were possibly broken/fractured during the coring process.
16) Reduced the coring speed in last foot of R20 to potentially reduce the number of mechanical breaks in the core.
17) Pyrite observed on fracture faces of core in run R21.

GRANULAR SOILS COHESIVE SOILS ROCK CORE CHARACTERISTICS JOINT/FRACTURE CHARACTERISTICS NO. PER FT SPACING/THICKNESS ANGLE 0-4 

<2 VERY SOFT (1) 0

<2" 0°-5° BPF HARDNESS WEATHERING 4-10 2-4 (2) 1-2 2"-1' 5°-35° 10-30 4-8 (3) 3-10 1'-3' 35°-55° 30-50 8-15 (4) 11-20 3'-10' 55°-85° >50 15-30 >10' 85°-90° 

>30 BORING NO.

MW-68

MW-68 PRELIMINARY BORING LOG SH. 5 OF 5 BORING NO. REVIEWED BY: PROJECT NO: 01.0017869.92 G. SURF. EL. 18.49' DATUM FINAL BORING DEPTH (FT) 150' SAMPLER: 6" hand auger, 2" O.D. split spoon, PQ core barrel BORING CO.: Aquifer Drilling and Testing GROUND WATER READINGS SAMPLER HAMMER: 140 lbs Automatic/300 lbs Donut FOREMAN: David Carter DATE DEPTH CASING STABILIZATION TIME CASING SIZE: 8" ENGINEER: Josh Simpson 11/2/11 10.2' open borehole - 1 day CASING HAMMER: spun (4" core) and reamed to 8" DATE START: 10/13/2011 ROCK CORE: PQ core barrel DATE END : 12/22/2011 TH (FT) ING (MIN/FT) / CORE NO. DEPTH (FT) S / 6 INCH VALUE NO. OF FRACTURES PER FOOT HARDNESS WEATHERING SAMPLE DESCRIPTION GRAPHY/ URE ZONE OTES INSITU PROPERTIES / REC.(IN / IN) / REC.(FT/FT) ORE REC (%) D (%) FLUIDS LOST LLONS) see below for see below for see below for 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 121 4 R23 continued 20 X X X 122 6 40 X X X 123 4 R24 122.8 - 127.8 5.0/5.0 100 38.3 60 X X X 124 7 30 X X X 125 6 20 X X X 126 4 10 X X X 127 3 10 FZ X X X 128 2 R25 127.8 - 132.8 5.0/4.3 86 7.5 50 FZ X X X 129 8 35 X X X 130 8 25 X X X 131 7 15 X X X 132 7 30 X X X 133 4 R26 132.8-137.3 4.5/4.5 100 0 25 X X X DEPT COR SAMPLE / SAMPLE D BLOWS N V STRATI FRACTU NO SOIL PEN. / ROCK PEN. TOTAL CO RQ DRILLING F (GAL R24: Hard to moderately hard, slight to moderate weathering, fine to medium grained, gray and white, MARBLE. Fracture Zone: 126.0 - 127.8 ft. Sub-vertical to sub-horizontal, friable rock. R25: Hard to moderately hard, slight to moderate weathering, fine grained, gray to dark gray, MARBLE. Fracture Zone: 127.8 - 128.8 ft. Sub-vertical to sub-horizontal, moderately hard, moderate weathering. R26: Hard, slight weathering, fine grained, gray, MARBLE. see below for values see below for values see below for values 134 7 30 X X X 135 8 10 X X X 136 9 5 X X X 137 11 (1/2 foot) 10 X X X 138 5 R27 137.3 - 142.3 5.0/5.0 100 23.3 30 X X X 139 6 15 X X X 140 5 15 X X X 141 5 10 X X X 142 6 15 X X X 143 5 R28 142.3 - 147.3 5.0/5.0 100 35.8 40 X X X 144 6 10 X X X 145 7 5 FZ X X X 146 7 5 X X X 147 7 5 X X X 148 5 R29 147.3 - 150.3 3.0/2.8 93.3 13.9 20 X X X 18 R28: Hard to moderately hard, slight weathering, fine grained, gray, MARBLE. Fracture Zone: 145.3 - 145.6 ft. Fractures with fines on fracture surfaces. Trace pyrite and calcite mineralization. 19 R27: Hard, slight weathering, fine grained, gray, MARBLE. R29: Hard, slight weathering, fine grained, gray, MARBLE. 149 5 10 X X X 150 5 10 X X X BPF DENSITY CONSISTENCY VERY LOOSE VERY SOFT 1 1 COMPLETE VERY CLOSE/VERY THIN LOOSE SOFT 2 MEDIUM 2 SEVERE CLOSE/THIN MEDIUM DENSE M. STIFF 3 MODERATELY HARD 3 MODERATE MOD CLOSE/MOD THICK DENSE STIFF 4 HARD 4 SLIGHT WIDE/THICK VERY DENSE V.STIFF 5 VERY HARD 5 MECHANICAL BREAK VERY WIDE/VERY THICK HARD NOTES:

18) Only cored 4.5 feet on R-26 because approximately 6 inches of R-25 was still in the bottom of the borehole. Added the recovered legth from R-26 to the previous core from R-25.
19) Fracture at 145.5 ft below ground surface has moderate weathering and moderately hard rock.

GRANULAR SOILS COHESIVE SOILS ROCK CORE CHARACTERISTICS JOINT/FRACTURE CHARACTERISTICS 0°-5° BPF HARDNESS WEATHERING NO. PER FT SPACING/THICKNESS ANGLE 4-8 (3) 3-10 1'-3' 35°-55° 0-4 

<2 VERY SOFT (1) 0

<2" 15-30 >10' 85°-90° 4-10 2-4 (2) 1-2 2"-1' 5°-35° 10-30 

>30 BORING NO.

MW-68 30-50 8-15 (4) 11-20 3'-10' 55°-85° >50

GZA / Buchanan, NY - MW-68 conventional log plot Depth 1in:11ft FTemp (deg C) 14.6 20.6 FRes (ohm-m) 7 9 caliper (inches) 3.5 7.5 Comments ambient flow (gpm) -0.7 0.7 zero ambient flow -0.7 0.7 pumping flow (gpm) -0.7 0.7 zero pumping flow -0.7 0.7 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 all depths in feet below ground surface; steel casing to approximately 14 feet deep; water level near 10.5 feet deep at time of logging upward flow while pumping, & downward ambient flow, entered between 15 to 17 feet deep upward inflow while pumping, & downward ambient inflow, entered between 17 to 28 feet deep (most of this inflow probably entered at the caliper enlargement near 24 to 26 feet deep, & the corresponding FRes inflection) some downward ambient inflow may have exited at a zone of lower hydraulic head between 28 to 33 feet deep downward inflow entered during both ambient & pumping conditions between 33 to 42 feet deep some downward ambient flow may have exited at a zone of lower hydraulic head between 42 to 49 feet deep (possibly at minor caliper enlargements near 44 & 47.5 feet) some downward flow exited at a zone of lower hydraulic head between 49 to 60 feet deep, during both ambient & pumping conditions some downward flow while pumping may have exited at a zone of lower hydraulic head between 75 to 91 feet deep (possibly at the subtle FRes inflection near 84 feet) most downward ambient flow exited at one or more zones of lower hydraulic head between 91 to 102 feet deep, during both ambient & pumping conditions (probably at the 100.5-foot minor enlargement & FRes/FTemp slope changes, & possibly at the 97-foot caliper enlargement) the remaining downward flow exited at a zone of lower hydraulic head between 121 to 130 feet deep (probably at the 128-foot deep caliper enlargement & FRes/FTemp slope changes) 1111318 - mw68.wcl 0

GZA / Buchanan, NY - MW-68 optical & acoustic televiewer log plot Depth 1in:1ft Tilt 0 4 deg Magn.Field 0 90 uT Azimuth 0 360 deg ABI40 amplitude 0° 0° 180° 90° 270° ABI0 traveltime 0° 0° 180° 90° 270° pper ABI traveltime (rotated by -143.7 deg 0° 0° 180° 90° 270° pper ABI amplitude (rotated by -143.7 deg 0° 0° 180° 90° 270° middle OBI image 0° 0° 180° 90° 270° lower OBI image 0° 0° 180° 90° 270° upper OBI40 image 0° 0° 180° 90° 270° caliper (inches) 3.5 7.5 14 16 18 20 22 24 26 Page 1

28 30 32 34 36 38 40 42 Page 2 I

44 46 48 50 52 54 56 58 Page 3

60 62 64 66 68 70 72 74 Page 4

76 78 80 82 84 86 88 90 92 Page 5 'I. ' I /.

94 96 98 100 102 104 106 108 Page 6

110 112 114 116 118 120 122 124 Page 7

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GZA GEOENVIRONMENTAL REPORT OF BORING NO. MW-68 ONE EDGEWATER DRIVE ENTERGY SHEET 1 of 1 NORWOOD, MASSACHUSETTS 02062 FILE NO. 01.0017869.92 ENGINEERS AND SCIENTISTS CHKD BY BORING CO. Aquifer Drilling & Testing BORING LOCATION See Exploration Location Plan FOREMAN Dave Carter GROUND SURFACE ELEV. 18.49 DATUM NGVD 29 GZA ENG. Josh Simpson DATE START 10/13/11 DATE END 12/22/11 GROUNDWATER OBSERVATION WELL INSTALLATION LOG Indian Point Energy Center Buchanan, New York p AS-BUILT Ground Surface Elevation 18.49' Installed Material Depth 4' 14.5' MW-68-19 & 68-29 2-inch Sch 80 PVC Sand Bentonite PVC Casing PVC Screen 14' 4.5' Bedrock 10' 8.5' 29' -10.5' 24' -5.5' 30' -11.5' 23' -4.5' 20' -1.5' 19' -0.5' 4' 14.5' MW-68-19 & 68-29 2-inch Sch 80 PVC Inflated Packer 58.1' -39.6' 42.1' -23.6' 57.1' -38.6' 29' -10.5' 24' -5.5' 40.1' -21.6' 30' -11.5' MW-68-57 2-inch Sch 80 PVC 58.1' -39.6' 57.1' -38.6' MW-68-103 2-inch Sch 80 PVC MW-68-132 2-inch Sch 80 PVC 93.5' -75' 104.5' -86' 103.5' -85' 8 1/4-inch diameter borehole 91.5' -73' MW-68-132 2-inch Sch 80 PVC -116.5' 135' 104.5' -86' 122.1' -103.6' 120.1' -101.6' 8 1/4-inch diameter borehole 133.1' -114.6' 132.1' -113.6' Notes:

1. 12 inch road box installed within 2 foot by 2 foot concrete pad, flush with ground surface.

-116.5' 135' DR DR DR DR DRA DR DR DR DR DRRAFT Sand Sand Bentonite B PVC Casing PVC C PVC Screen Scree T RA RA -23.6' -23.6' -38.6 AF MW-68-57 M 2-inch Sch 80 -inch S RA RA RA 

-39.6'

-38.6'6' -38.6'6'6' R DRA

FINAL QUARTERLY LONG-TERM GROUNDWATER MONITORING REPORT Q1 THROUGH Q4 2011 (REPORT NO. 13) APPENDIX J: Q4 2011 UNIT 1 STRONTIUM PLUME TREND ANALYSIS

1.2E-04 1.4E-04 .2E-04 i) 68%ReductionSinceDefueling CHANGES IN TOTAL ESTIMATED UNIT 1 STRONTIUM PLUME ACTIVITY OVER TIME - Q4 2011 8.0E-05 1.0E-04 1 1.0E-04 8.8E-05 trontium Plume Activity (C 20%Overall Reduction 2.0E-05 4.0E-05 6.0E-05 4.8E-05 4.8E-05 4.5E-05 4.0E-05 5.7E-05 5.0E-05 4.6E-05 4.8E-05 4.7E-05 4.2E-05 4.2E-05 3.2E-05 3.1E-05 3.8E-05 3.6E-05 3.6E-05 3.8E-05 Total Estimated U1 St AveragePredefueling Sr90PlumeActivity 0.0E+00 Upper Estimate Lower Estimate Notes: Lower estimate is based on a porosity of 0.0003 which was derived from a pumping test conducted in 2006. Upper estimate is based on a porosity of 0.003 derived from a tracer test conducted in 2007. The Strontium plume activity estimate is based on levels measured in the groundwater monitoring installations at individual, quarterly "snapshots" in time. or further discussion see Sections 6.0, 7.0 and 8.0 of the Final Hydrogeologic Site Investigation Report, prepared by GZA and dated January 7, 2008. Figure J-1}}

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