ML090510202

Groundwater Investigation - Summary NYS Results as of 01/08/2008

ML090510202
Person / Time
Site:	Indian Point
Issue date:	01/08/2008
From:	- No Known Affiliation
To:	NRC Region 1
References
Download: ML090510202 (9)

Text

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 am~phig Date Sample ID,,le Lo Tritiu...p.iI. Sr90 pCi/1 >Gamm Spec 'GB pCi/l GA pi/I 10/21/2005 200520855628 U2 CST <110 NA NA 10/21/2005 200520855629 U3-T2 1420 +/- 160 NA NA 10/21/2005 200520855630 U3-2 510 +/- 130 NA NA 10/21/2005 200520855631 MW-111 267000 +/- 8000 1.9 +/- 0.7

• ND 9.0 +/- 6.0 5.0 +/- 2.0 10/21/2005 200520855632 U3-4 340 +/- 120 NA NA 10/21/2005 200520855633 U3-1 <110 NA NA 10/21/2005 200520855634 U3-3 <110 NA NA 10/21/2005 200520855535 U3-T1 <110 NA NA 11/30/2005 200520855645 Trap Rock Quarry 90 +/- 60 <0.5 ND 11/30/2005 200520855646 Algonquin Creek <60 <0.5 RDP 11/30/2005 200520855647 5th Street Well <60 <0.5 RDP 11/30/2005 200520855648 Gypsum Plant Outfall <60 <0.5 RDP 12/06/2005 200520855658 LaFarge Gypsum Well #1 <50 NA NA 12/06/2005 200520855659 LaFarge Gypsum Well #3 <50 NA NA

,12/08/2005 200520855654 MW38 700 +/- 120 NA NA

,12/08/2005 200520855655 MW101 <50 NA NA 12/08/2005 200520855656 MW105 100 +/- 90 NA NA 12/08/2005 200520855657 MW107 <50 NA NA 01/30/2006 200620865011 Doodletown Bight @ PIP Maint. <90 <0.5 ND 01/30/2006 200620865014 Lake Kanawauke <90 <0.4 ND 01/30/2006 200620865015 Ramapo River @ Arden Rd <90 <0.4 ND 02/07/2006 200620865001 MW-30 72' 3.76E5 +/- 0.11 E5 <0.5 ND 02/07/2006 200620865002 MW-31 3.38E4 +/- 0.12E4 <0.5 ND 02/07/2006 200620865003 MW-32 1.92E4 +/- 0.07E4 <0.6 ND 02/07/2006 200620865004 MW-33 2.02E5 +/- 0.06E5 <0.5 ND 02/07/2006 200620865005 MW-34 1.74E5 +/- 0.05E5 <0.6 ND 02/07/2006 200620865006 MW-35 8.9E4 +/- 0.3E4 <0.5 ND 02/07/2006 200620865007 MW-36 2.1 E4 +/- 0.08E4 1.1 +/- 0.6 ND 02/07/2006 200620865010 MW-1i11 1.96E5 +/- 0.06E5 1.6 +/- 0.05 ND 9.9 +/- 1.7 2.6 +/- 0.9 02/08/2006 200620865008 MW-38 <110 <0.5 ND 02/08/2006 200620865009 MW-48 250 +/- 110 <0.5 ND 02/08/2006 200620865012 Algonquin Creek <90 <0.6 ND 02/08/2006 200620865013 Trap Rock Quarry <90 0.9 +/- 0.6 ND 02/08/2006 200620865016 Hudson River Middle of waterfront <90 <0.4 ND 02/08/2006 200620865017 Hudson River Unit 2 Outfall <90 <0.4 ND 02/08/2006 200620865018 Hudson River Off Manhole 1 <90 <0.4 ND 02/08/2006 200620865019 Gypsum Plant Outfall <90 <0.4 ND 02/08/2006 200620865020 Hudson River North of IPEC <90 <1.0 ND 02/28/2006 200620865024 MW-37 22' 1.48E4 +/- 0.06E4 INS ND 02/28/2006 200620865025 MW-37 32' 2.89E4 +/- 0.10E4 INS ND 02/28/2006 200620865026 MW-37 40! 1.661 E4 +/- 0.06E4 INS ND 02/28/2006 200620865027 MW-37 57' 1.54E4 +/- 0.06E4 INS ND "

indian Point Groundwater Investigation. Summary NYS Results as of 01/08/2008

%rnmpinig Date~ Sap0 ID.1,,e~ctin~ritibmh pCi/I ~Sr-96 p~i/I Gamma Spec, GB ,pI~ GA~C/

03/10/2006 200620865028 MW-37 22' "2.20E4 +/- 0.08E4. 8.3 +/- 0.7 ND 26 +/- 4 <1.7 03/10/2006 200620865029 MW-37 32' 2.79E4 +/- 0.10E4 23.9 +/- 1.1 ND 56 +/-4 3.8 +/- 1.7 03/10/2006 200620865030 MW-37 40' ** 1.63E4 +/- 0.06E4 22.3 +/- 1.2 ND 73 +/- 7 67 +/- 4 03/10/2006 200620865031 MW-37 57' 1.54E4 +/- 0.06E4 27.3 +/- 1.2 ND 62+/-4 2.9 +/- 1.8 03/22/2006 200620865040 MW-49 25.5' 1.53E4 +/- 0.06E4 17.0 +/- 0.9 ND 44 +/- 4 <1.5 03/22/2006 200620865041 MW-49 42' 9.4E3 +/- 0.4E3 24.1 +/- 1.1 ND 58 +/- 4 3.2 +/- 1.6 03/22/2006 200620865042 MW-49 65.5' 6.7E3 +/- 0.3E3 23.8 +/- 1.1 ND 53 +/- 4 8.4 +/- 1.6 03/22/2006 200620865043 MW-50 42' 7.7E3 +/- 0.4E3 25.9 +/- 1.2 ND 63 +/- 4 3.6 +/- 1.2 03/22/2006 200620865044 MW-50 67' 9.8E3 +/- 0.4E3 31.6 +/-1.3 ND 76+/- 4 <1.2 03/23/2006 200620865045 MW-42 49' 2.7E3 +/- 0.2E3 60 +/- 2 Cs137, Co6O 1.32E4 +/-0.04E4 68 +/- 3

- MW-42 49' with solids, Cs-i137 1.99E4 +/- 6.12E2 MW-42 49' decanted, Cs-137 1.31 E4 +/- 0.04E4 MW-42 49' with solids, Co-60 23 +/- 6 MW-42 49' decanted, Co-60 21 +/- 11 03/23/2006 200620865037 MW-36 26' 3.53E4 +/- 0.12E4 0.9 +J-0.4 ND 16 +/- 3 8.1 +/- 1.5 03/23/2006 200620865039 MW-36 52' 2.65E4 +/- 0.09E4 6.1 +/- 0.5 ND 21 +/- 3 9.9 +/- 1.4 03/24/2006 200620865038 MW-36 41' 5.97E4 +/- 0.19E4 4.4 +/- 0.5 ND 17 +/- 3 3.7 +/- 1.1 Cs137, Co60, K40, 03/24/2006 200620865046 MW-42 78' 4.7E2 +/- 1.2E2 <1.0 RDP 94.8 +/-6.8 6.9 +/-3.8 MW-42 78' with solids, Cs-137 1.12E3 +/- 0.04E3 MW-42 78' decanted, Cs-137 1.85E2 +/- 0.4E2 MW-42 78' with solids, Co-60 3.4 +/-0.9 MW-42 78' decanted, Co-60 <5.9 MW-42 78' with solids, K-40 40 +/- 10 MW-42 78' decanted, K-40 <98 04/11/2006 200620865058 Fishkill Creek <130 <0.4 ND <4.0 1.2 +/- 1.0 04/11/2006 200620865059 Philpse Brook <90 <0.4 ND <1.1 0.35 +/- 0.19 04/11/2006 200620865050 MW-40 200' <100 0.7 +/- 0.4 ND 16+/-8 15+/-4 04/11/2006 200620865051 MW-51 200' 1.5E2 +/- 1.1 E2 <0.4 ND 15 +/- 6 20+/-2 04/12/2006 200620865049 MW-46 30' 1.78E3 +/- 0.18E3 <0.9 ND 20 +/- 8 15+/-4 04/12/2006 200620865052 MW-48 37.5' 1.2E2 +/- 1.0E2 <0.7 RDP 24 +/- 4 29.5 +/- 1.7 04/12/2006 200620865053 MW-48 52' 3.7E2 +/- 1.3E2 <0.7 ND 25 +/- 8 13 +/- 3 04/12/2006 200620865054 MW-41 41' 5.8E2 +/- 1.4E2 5.0 +/- 0.8 ND 18 +/- 4 4.2 +/- 1.6 04/12/2006 200620865055 MW-41 63' 4.7E2 +/- 1.3E2. 5.7 +/-0.5 ND 16+/-4 3.1 +/- 1.6 04/12/2006 200620865056 MW-43 28' 2.9E2 +/- 1.2E2 <0.4 K40, RDP <20 20 +/-7 04/12/2006 200620865057 MW-43 62' <110 0.6 +/- 0.4 ND 14 +/-6 26 +/-20 04/13/2006 200620865047 MW-47 56' 5.0E2 +/- 1.4E2 0.8 +/- 0.7 ND 25+/-8 21 +/-4 04/13/2006 200620865048 MW-47 80' 2.1 E3 +/- 0.2E3 3.9 +/-0.4 ND 15+/-4 1.7 +/- 1.5 04/17/2006 200620865060 MH-5 U2 Curtain prior to outage 2.3E2 +/- 1.0E2 <0.4 ND 7 +/- 4 <1.1 04/18/2006 200620865061 Hudson River near MH1 Discharg <90 <0.5 , ND 13 +/- 4 7.9 +/- 1..2

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 S..m ..ing..t.....D........ Tri..iup...i ill, Sr Gai ,mCec . GB :pCi/ .  : A.p i/ i' 08/18/2006 200620865087 MW-30 74' 2.49E5 +/- 0.08E5 <0.7 ND 11 +/- 4 9 +/- 3 08/22/2006 200620865088 MW-30 88' 4.52E4 +/- 0.18E4 <0.7 ND 11 +/-4 6 +/- 3 08/23/2006 200620865124 MW-53 80' 1.21 E4 +/: 0.05E4 9.3 +/- 0.6 ND 29 +/- 7 11 +/- 4 08/24/2006 200620865122 MW-57 45' 4.1 E3 +/- 0.3E3 24.9 +/- 1.1 ND 45+/-9 <7 08/25/2006 200620865123 MW-55 78' 1.47E4 +/- 0.06E4 30.2 +/- 1.2 ND 70 +/- 5 <3 08/30/2006 200620865125 MW-53 120'**** 4.0E3 +/- 0.2E3 20.1 +/- 0.9 Ra226 43 +/-9 62 +/- 8 MW-53 120' unfiltered, Ra226 22 +/- 9 MW-53 120' filtered, Ra226 6 +/-5 09/07/2006 200620865126 MW-54 206' 2.47E3 +/- 0.19E3 15 +/- 0.9 ND 44 +/- 5 16 +/-3 09/08/2006 200620865127 MW-56 85' 8.3E2 t/- 1.3E2 2.2 +/- 0.5 ND 11 +/-4 <2 09/08/2006 200620865128 MW-65 80' 2.3E2 +/- 1.1 E2 <0.5 ND 30+/-8 32+/-6 09/15/2006 200620865141 MW-59 70' 2.4E2 +/- 1.2E2 <0.5 Ra226 36 +/- 8 8 +/- 7 MW-59 70', Ra226 6+/-4 09/19/2006 200620865138 LAF-001 (003) <120 <0.4 ND 33 +/- 8 8 +/- 5 09/19/2006 200620865139 LAF-002 (003) <120 <0.5 ND 35 +/-8 70 +/- 6 09/19/2006 200620865140 LAF-003 (003) <120 <0.5 ND 6+/-3 2.6 +/- 1.9 11/15/2006 200620865158 MW-49 65' 3.4E3 +/- 0.2E3 19.9 +/-1 ND 49+/-5 9+/-4 11/15/2006 200620865159 MW-50 42' 2.9E3 +/- 0.2E3 13.1 +/-0.8 ND 41 +/-5 <3 11/15/2006 200620865160 MW-49 26' 7.9E3 +/- 0.4E3 15.5 +/- 0.9 ND 40+/-5 <5 11/15/2006 200620865161 MW-49 42' 6.7E3 +/- 0.3E3 24.9 +/- 1.2 ND 58+/-5 5+/-4 11/15/2006 200620865162 MW-50 67' 5.7E3 +/- 0.3E3 30.4 +/- 1.3 ND 70+/-5 <5 11/16/2006 200620865166 MW-58 65' 1.9E2 +/- 1.0E2 <0.4 ND 15 +/- 4 12 +/- 2 11/16/2006 200620865167 MW-58 26' 3.3E2 +/- 1.1 E2 <0.4 ND 12 +/-4 4 +/- 2 11/16/2006 200620865169 MW-59 45' 2.0E2 +/- 1.0E2 <0.3 ND 17+/-4 4+/-3 11/16/2006 200620865170 MW-59 31' 1.9E2 +/- 1.0E2 <0.3 ND 14+/-5 7 +/-3 11/16/2006 200620865171 MW-59 68' 2.5E2 +/- 1.0E2 <0.3 ND 10+/-5 11 +/-3 11/16/2006 200620865164 MW-42 43' 2.48E3 +/- 0.19E3 12.9 +/- 0.7 Cs137 8.5E3 +/- 0.3E3 5.4 +/- 1.9 MW-42 43', Cs1371 8.4E3 +/- 0.3E3 11/16/2006 200620865163 MW-42 45.5' 2.45E3 +/- 0.19E3 12.5 +/- 0.7 Cs137 7.7E3 +/- 0.2E3 11 +/- 2 MW-42 45.5', Cs137 8.0E3 +/- 0.3E3 11/16/2006 200620865165 MW-42 48' 2.25E3 +/- 0.19E3 9.5 +/-0.6 Cs137 8.1 E3 +/- 0.2E3 3.8 +/- 1.8 MW-42 48', Cs137 8.1 E3 +/- 0.3E3 11/17/2006 200620865172 MW-42 41' 1.93E3 +/- 0.17E3 9.8 +/- 0.6 Cs137 7.7E3 +/- 0.2E3 20 +/-2 MW-42 41', Cs137 8.1 E3 +/- 0.3E3 11/17/2006 200620865168 MW-39 200' 3.1 E2 +/- 1.1 E2 2.3 +/-0.6 ND 18+/-4 4 +/-3 11/22/2006 200620865185 MW-48 23' <100 <0.5 ND 3.1 +/- 1.0 0.8 +/- 0.6 11/22/2006 200620865186 MW-48 38' <90 <0.4 ND 10+/-4 26+/-3 11/22/2006 200620865187 MW-38 <90 <0.4 ND 2 +/- 0.8 0.6 +/- 0.5 11/30/2006 200620865188 MW-60 200 +1-110 <0.4 Ra226 26 +/-4 47 +/- 3 MW-60, Ra226 16 +/- 6 11/30/2006 200620865195 MW-62 460 +/- 120 <0.4 Ra226 17+/-5 41 +/- 3 MW-62, Ra226 18 +/- 7

"Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 12/04/2006 200620865175 LAF-001 <110 <0.4 ND 18+/-5 16+/-5 12/04/2006 200620865176 LAF-002 <110 <0.4 ND 26+/-5 69 +/-5 12/04/2006 200620865177 LAF-003 <110 <0.4 ND <6 <4 12/05/2006 200620865180 USGS Ft.Montgomery <110 <0.4 . ND 3 +/- 1.7 <1.2 12/05/2006 200620865183 USGS RO-543-50' <100 <0.4 ND <5 <4 12/05/2006 200620865181 USGS RO-18 <110 <0.3 ND <5 <3 12/06/2006 200620865178 MW-51 130 +/- 120 <0.4 Ra226, Ac228 18 +/- 9 12 +/- 5 MW-51, Ra226 12+/-6 MW-51, Ac228 9 +/- 7 12/06/2006 200620865182 USGS RO-543-95' <100 <0.4 ND <5 <4 12/06/2006 200620865184 USGS P-1 217 <100 <0.4 ND 2 +/- 0.6 0.7 +/- 0.4 12/07/2006 200620865179 MW-40 190 +/- 120 <0.4 ND <13 23+/-8.

01/16/2007 200720875002 MW-30 74' 7.9E4 +/- 0.3E4 <0.4 ND <9 7 +/- 2 01/16/2007 200720875003 MW-30 88' 9.3E3 +/- 0.4E3 <0.4 ND <9 7 +/-2 01/18/2007 200720875004 MW-31 53' 1.73E3 +/-0.18E3 <0.4 ND <9 2.2+/-1.9 01/18/2007 200720875005 MW-31 67' 1.38E4 +/- 0.06E4 <0.4 ND <9 <2 01/18/2007 200720875006 MW-31 89' 2.8E3 +/- 0.2E3 <0.4 ND <9 4 +/- 2 01/19/2007 200720875008 MW-32 68' 7.8E3 +/- 0.4E3 <0.4 ND <9 <1.9 01/19/2007 200720875007 MW-32 92' 1.05E4 +/- 0.05E4 <0.4 ND <9 <2 01/19/2007 200720875009 MW-32 140' 1.08E4 +/- 0.05E4 <0.4 ND <9 <2 01/19/2007 200720875010 MW-32 160' 1.02E4 +/- 0.05E4 <0.3 ND <9 <1.8 01/19/2007 200720875011 MW-32 197' 1.07E4 +/-0.05E4 <0.3 ND <9 <1.8 01/30/2007 200720875069 Ul-CSS 1.78E3 +/- 0.16E3 21.2 +/- 1.2 ND 54 +/- 7 <2 02/09/2007 200720875071 MW-48 23' 3.3E2 +/- 1.0E2 <0.2 ND <9 5 +/- 3 02/09/2007 200720875070 MW-48 38' 1.0E2 +/- 0.9E2 <0.3 ND 12+/-7 25 +/-3 02/12/2007 200720875072 MW-38-019 2.0E3 +/- 0.17E3 <0.2 ND <9 <3 03/07/2007 200720875133 LAF-001-(005) <80 <0.2 ND 25 +/-5 13 +/-5 03/07/2007 200720875134 LAF-002-(005) <80 0.8 +/- 0.4 ND 29 +/- 5 61 +/ 03/07/2007 200720875135 LAF-003-(005) <80 <0.2 ND 8 +/-4 <3 05/03/2007 200720875152 MW-54 59' 6.6E2 +/- 1.3E2 2.4 +/- 0.3 ND 19 +/- 5 8 +/- 3 05/03/2007 200720875154 MW-54 146' 1.46E3 +/- 0.16E3 15.8 +/- 0.7 ND 41 +/-5 6 +/-3 05/03/2007 200720875155 MW-54 174' 1.5E3 +/- 0.16E3 20.7 +/- 0.9 Ra226 57+/-5 21 +/-3 MW-54 174', Ra226 7 +/- 5 05/03/2007 200720875153 MW-54 192' 1.65E3 +/- 0.17E3 24.3 +/- 1.0 ND 60 +/-5 8+/-3 05/08/2007 200720875156 MW-60 37' <110 <0.3 ND 7 +/- 5 7 +/- 3 05/08/2007 200720875157 MW-60 54' <110 <0.4 ND 12 +/-5 9+/-3

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 D.e.O:a samplinglt te"' Sam ISa&eb  : -,-6 p TritiumIr0ptoi!,i* ,Sp GA...CiII 05/08/2007 200720875158 MW-60 74' <110 <0.4 Ra226 21 +/-5 40+/-3 MW-60 74', Ra226 10 +/- 5 05/08/2007 200720875159 MW-60 137' 2.4E2 +/- 1.2E2 <0.3 Ra226, Ac228 41 +/- 5 79 +/- 4 MW-60 137', Ra226 39 +/- 11 MW-60 137', Ac228 20 +/- 11 05/08/2007 200720875160 MW-60 156' <100 <0.3 Ra226 25 +/- 5 45 +/- 3 MW-60 156', Ra226 _16 +/- 7 05/08/2007 200720875161 MW-60 178' 6.7E2 +/- 1.3E2 <0.3 ND 20+/-5 63+/143 05/10/2007 200720875162 MW-62 55' 2.3E2 +/- 1.2E2 <0.3 Ra226 19+/-5 20 +/-2 MW-62 55', Ra226 _13 +/- 5 05/10/2007 200720875163 MW-62 73' 2.8E2 +/- 1.2E2 <0.3 Ra226 15+/-5 25 +/-2 MW-62 73', Ra226 15 +/- 6 05/10/2007 200720875164 MW-62 94' 3.6E2 +/- 1.2E2 0.6 +/- 0.4 Ra226 24+/-5 34 +/-3 MW-62 94', Ra226 23 +/- 9 05/10/2007 200720875165 MW-62 140' 3.3E2 +/- 1.2E2 1.0 +/- 0.4 Ra226, Ac228 28+/-5 49 +/-.3 MW-62 140', Ra226 24 +/- 9 MW-62 140', Ac228 16 +/- 9 05/10/2007 200720875166 MW-62 184' 3.7E2 +/- 1.2E2 <0.3 Ra226 19+/-5 40 +/- 3 MW-62 184', Ra226 20 +/- 6 05/15/2007 200720875167 MW-63 52' 2.0E2 +/- 1.2E2 <0.4 Ra226 10+/-4 11 +/-2 MW-63 52', Ra226 14 +/- 6 05/15/2007 200720875168 MW-63 93' <110 <0.4 Ra226 5+/-4 21 +/-2 MW-63 93', Ra226 15 +/- 7 05/15/2007 200720875169 MW-63 114' 1.8E2 +/- 1.2E2 <0.4 Ra226 13 +/- 4 27 +/-2 MW-63 114', Ra226 19 +/- 9 05/15/2007 200720875170 MW-63 124' 3.5E2 +/- 1.3E2 0.4 +/- 0.3 Ra226 13 +/- 4 33 +/- 3 MW-63 124', Ra226 23 +/- 9 05/15/2007 200720875171 MW-63 164' 3.5E2 +/- 1.2E2 <0.3 Ra226 13+/-4 29+/-2 MW-63 164', Ra226 10 +/- 5 05/15/2007 .200720875172 MW-63 176' 6.1 E2 +/- 1.4E2 <0.3 Ra226 16+/-4 30+/-2 MW-63 176', Ra226 17 +/- 6 05/17/2007 200720875173 MW-62 15' 3.5E2 +/- 1.2E2 0.4 +/- 0.3 ND 8 +/- 5 <1.9 05/17/2007 200720875174 MW-62 38' 1.3E2 +/- 1.1E2 <0.3 ND 12+/-5 5+/-2 05/18/2007 200720875175 MW-63 19' 2.4E2 +/- 1.2E2 <0.4 Ra226 15+/-5 9 +/-2' MW-63 19', Ra226 6 +/-4 05/18/2007 200720875176 MW-63 35' 3.0E2 +/- 1.2E2 <0.3 Ra226, Ac228 11 +/-5 8+/-2 MW-63 35', Ra226 8 +/- 5 MW-63 35', Ac228 8 +/- 7

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 0524/2007 207m8I5ID SaW-mple 19O' . y Sr-0 pC

<0.Sp Gam110 GAND:9<

05/24/2007 200720875177 MW-52 19' <110 <0.6 ND <9 <6 05/24/2007 200720875178 MW-52 50' <110 <0.4 ND <5 4+/12 05/24/2007 200720875179 MW-52 66' <110 <0.3 ND <5 <1.8 05/24/2007 200720875180 MW-52 163' <110 <0.3 ND <9 <

05/24/2007 200720875181 MW-52 183' <110 <0.3 Ra226 13+/-5 39+/-10 MW-52 183', Ra226 8 +/- 4 05/30/2007 200720875212 MW-51 40' <110 <0.3 ND <5 <4 05/30/2007 200720875213 MW-51 79' <110 <0.2 ND 11 +/-10 5 20+/--10 05/30/2007 200720875214 MW-51 104' <110 <0.5 Ra226 20 +/- 10 s 44 +/- 14 MW-51 104', Ra226 20+/-8 "

05/30/2007 200720875215 MW-51 135' <110 <0.7 Ra226,Ac228 36 +/-l *5 50 +/-14 MW-51 135', Ra226 27+/-8 MW-51 135', Ac228 18+/-9 05/30/2007 200720875216 MW-S1 163' <100 <1.8 Ra226, Ac228 21 +/-6 - 68+/- 14 MW-51 163', Ra226 14+/-8 MW-51 163', Ac228 15+/-10 05/30/2007 200720875217 MW-51 189' <100 <0.5 Ra226 12 +/- 5

• 45 +/- 11 MW-51 189', Ra226 15+/-7 06/05/2007 200720875218 MW-40 27' <100 <0.5 ND <11 <9 06/05/2007 200720875219 MW-40 46' <100 <0.5 Ra226 14 +/- 7 20 +/-13 13 +/- 11 06/05/2007 200720875220 MW-40 81' <100 <0.5 Ra226 10 +/- 6 <9 13 +/- 10 06/05/2007 200720875221 MW-40 100' <100 <0.8 Ra226 7 +/- 4 7 +/- 5 7-+/- 6 Ra226 30 +/- 10 06/05/2007 200720875222 MW-40 127' <100 0.8 +/- 0.5 Ac228 19 +/- 11 37 +/ 90 +/- 20 Ra226 27 +/- 8 06/05/2007 200720875223 MW-40 162' <100 <0.8 Ac228 26 +/- 10 49 +/- 15.*5 110 +/- 20 06/07/2007 200720875224 LAF-001 <100 <0.5 ND 23 +/- 10 27 +/- 12 06/07/2007 200720875225 LAF-002 <100 0.9 +/- 0.3 ND 36 +/- 11 49 +/- 16 06/07/2007 200720875226 LAF-003 <100 <0.5 ND <5 <3 07/24/2007 200720875269 MW-51 40' <160 <0.8 ND <5 <3 07/24/2007 200720875270 MW-51 79' <160 <0.5 Ra226 8 +/- 6 <9gS 17 +/-9 Ra226 29 +/- 10 07/24/2007 200720875271 MW-51 104' <160 <0.6 Ac228 13 +/- 10 27 +/ 51 +/-15 Ra226 28 +/- 9 07/24/2007 200720875272 MW-51 135' <160 <0.6 Ac228 19 +/-i 36 +/- 11 *5 59+/-16

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 e.T.....np.Date Samp ..ei lT!/ Sr-90*i/l pall iGamatSpec GC... pi" ... pB Ra226 30 +1-9 07/24/2007 200720875273 MW-51 163' <160 <0.6 Ac228 15 +/-9 30 +/-6 75 +/- 14 07/24/2007 200720875274 MW-51 189' <160 <0.6 Ra226 14 +/- 7 26 +/- 10 5 52 +/- 14 07/23/2007 200720875275 MW-40 27' <140 <0.5 Ra226 12 +/-6 <13 <6 Ra226 16 +/- 7 07/23/2007 200720875276 MW-40 46' <140 <0.4 Ac228 8 +/- 7 <10 <9 07/23/2007 200720875277 MW-40 81' <140 <0.5 Ra226 7 +/- 4 <12 <10 07/23/2007 200720875278 MW-40 100' <140 <0.5 ND <8 11 +/- 8 Ra226 24 +/- 9 07/23/2007 200720875279 MW-40 127' <160 <0.5 Ac228 22 +/- 12 53 +/- 12 *5 81 +/- 18 Ra226 43 +/- 10 07/23/2007 200720875280 MW-40 162" <160 <0.6 Ac228 25 +/- 10 79 +/- 14 *5 200 +/- 30 07/25/2007 200720875283 MW-63 50' 270 +/- 150 <0.5 ND 14 +/-6 8 +/- 4 07/25/2007 200720875284 MW-63 93' 260 +/- 150 <0.6 Ra226 15 +/- 7 18 +/- 6 22 +/- 6 07/25/2007 200720875285 MW-63 112' 260 +1-150 <0.6 Ra226 28 +1- 8 22 +/- 6 52 +/- 10 07/25/2007 200720875286 MW-63 121' 250 +/- 150 <0.6 Ra226 18 +/- 9 8 +/- 6 22 +/- 7 07/25/2007 200720875281 MW-63 163' 420 +/- 150 <0.5 Ra226 12 +/- 7 21 +/-6 33+/-8 07/25/2007 200720875282 MW-63 174' 480 +/- 160 <0.5 Ra226 15 +/- 8 20 +/- 6 45 +/- 9 07/26/2007 200720875302 MW-62 18' 340 +/- 150 1.6 +/- 0.6 ND 29 +/- 17 *5 <8 07/26/2007 200720875303 MW-62 37' <160 <0.6 ND 11 +/-6 <4 07/26/2007 200720875295 MW-62 53' <160 <0.6 ND 15 +/-6 25 +/- 7 07/26/2007 200720875296 MW-62 71' <160 <0.7 Ra226 21 +/- 6 20 +/- 7 27 +/- 8 Ra226 25 +/- 9 07/26/2007 200720875297 MW-62 92' 430 +/- 160 <0.7 Ac228 11 +/- 8 27 +1- 7 39 +/- 9 07/26/2007 200720875298 MW-62 138' 500 +/- 160 1.4 +/- 0.5 Ra226 17 +/- 8 35+/-7 51 +/- 10 07/26/2007 200720875299 MW-62 182' 350 +/-160 <0.5 Ra226 17 +/- 8 18 +/- 7 43 +/- 10 07/27/2007 200720875304 MW-60 35' <160 <0.6 Ra226 9 +/- 4 12 +/- 6 15 +/- 7 07/27/2007 200720875305 MW-60 55' <160 <0.6 ND <7 12 +/- 6 07/27/2007 200720875306 MW-60 72' <160 <0.7 Ra226 14 +/- 8 22 +/-7 25 +/-9 Ra226 23 +/- 7 07/27/2007 200720875307 MW-60 135' 270 +/- 150 <0.7 Ac228 19 +/- 8 32 +/- 7 75 +/- 14 07/27/2007 200720875300 MW-60 154' 420 +/- 160 <0.6 Ra226 9 +/- 7 26 +/-7 49 +I-i1 1 07/27/2007 200720875301 MW-60 176' 790 +/- 170 <0.5 Ra226 19 +/- 8 22 +/- 7 80 +/- 12 Ra226 14 +/- 6 07/30/2007 200720875287 MW-63 18' <160 <0.7 K40 30 +/- 20 35+/- 17 *5 24+/- 15 07/30/2007 200720875288 MW-63 34' 270 +/- 150 <0.6 Ra226 21 +/- 8 8 +/- 6 7 +/- 4 07/30/2007 200720875289 MW-66 21' 3300 +/- 200 1.7 +/- 0.7 ND 19 +/- 16 * <6 07/30/2007 200720875290 MW-66 36' 8800 +/- 400 5.3 +/- 0.4 ND 22 +/- 7 <3

Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 raAi-.,itQ < .4 'S an eL e o ti .n-4DOate i% **Býý 'Pii" GB..................... Gkpi**

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06/05/2007 200720875227 R-56C Combined Sewage <100 NA K40 23 +/- 9 NA NA 08/31/2007 200720875310 MW-67 39' 5900 +/- 300 20.7 +/- 0.9 ND 60 +/- 14 <6 08/31/2007 200720875311 MW-67 105' 2400 +/- 200 1.5 +/- 0.7 Ra226 7 +/-6 14+/-6 20+/-7 08/31/2007, 200720875312 MW-67 173' 1000 +/- 160 <0.5 ND 10 +/-6 20 +/- 7 08/31/2007 200720875313 MW-67 219' 980 +/- 160 <0.5 Ra226 21 +/- 12 10 +/-6 29 +/-8 08/31/2007 200720875314 MW-67 276' 830 +/- 160 <0.5 Ra226 16 +/- 9 18 +/- 6 40 +/- 9 08/31/2007 200720875315 MW-67 323' 220 +/- 140 <0.5 ND 14 +/- 6 ý52 +/- 9 08/31/2007 200720875316 MW-67 349' 362 +/- 150 <0.5 ND 14 +/-6 42 +/-8 09/10/2007 200720875340 LAF-001-(007) <150 <0.5 ND 24 +/- 10 21 +/- 10 09/10/2007 200720875341 LAF-003-(007) <150 <0.5 ND <11 6+/-5 10/01/2007 200720875355 MW-67 39' 5000 +/- 300 24.9 +/- 1 ND 81 +/- 20 *5 <10 10/01/2007 200720875356 MW-67 105' 2500 +/- 200 1.3 +/- 0.3 ND <11 11 +/- 6 10/01/2007 200720875357 MW-67 173' 740 +/- 140 <0.7 Ra226 21 +/-10 <11 20+/-7 10/01/2007 200720875358 MW-67 219' 910 +/-150 <0.7 ND <11 24 +/-7 10/01/2007 200720875359 MW-67 276' 1140 +/- 160 <0.8 Ra226 17 +/-9 <11 42+/-9 10/01/2007 200720875360 MW-67 323' 270 +/- 120 <0.8 ND 13 +1-9 57 +/- 10 10/01/2007 200720875361 MW-67 340' 370 +/- 130 <0.8 Ra226 14 +/- 9 16 +- 9 41 +/- 8 10/02/2008 200720875362 MW-51 40' <120 <0.5 ND <20 * <8 10/02/2008 200720875363 MW-51 79' <150 <0.9 Ra226 17 +/- 11 <20 21 +/- 11 10/02/2008 200720875364 MW-51 104' <150 <0.5 Ra226 37 +/- 14 25 +/- 18 5 55 +1-15 10/02/2008 200720875365 MW-51 135' <150 <0.5 Ra226 39 +/- 17 26 +/- 18 51 +/- 15 10/02/2008 200720875366 MW-51 163' <150 <0.6 Ra226 34 +/- 13 30 +/- 10 102 +1- 17 10/02/2008 200720875367 MW-51 189' <150 <0.8 Ra226 26 +/- 14 15 +/-6 30 +/-9 10/09/2007 200720875349 MW-60 35' 140 +/-110 <0.6 ND <20 5<11 10/09/2007 200720875350 MW-60 53' 150 +/- 110 <0.7 ND <12 16 +/-9 10/09/2007 200720875351 MW-60 72' <110 <0.6 Ra226 18 +/- 13 16 +/- 10 41 +1-12 Ra226 28 +/- 11 10/09/2007 200720875352 MW-60 135' 560 +/- 130 <0.6 Ac228 20 +/- 15 30 +/- 10 65 +/- 14 10/09/2007 200720875353 MW-60 154' 690 +/- 140 <0.6 Ra226 18 +/- 9 21 +/- 10 78 +/-.13 10/09/2007 200720875354 MW-60 176' 790 +/- 140 <0.6 Ra226 17 +/- 9 20+/-9 80 +/- 12 10/10/2008 200720875368 MW-62 18' 280 +/- 140 2.4 +/- 0.4 K40 90 +/- 70 60 +/- 30 *5 <10 10/10/2008 200720875369 MW-62 37' <150 <0.5 ND 7 +/-6 <3 10/10/2008 200720875370 MW-62 71' 230 +/- 140 <0.8 ND 16 +/-6 30 +/- 7 10/10/2008 200720875371 MW-62 92' 250 +/- 140 <0.6 Ra226 23 +/- 11 18 +/- 6 30 +/- 8 10/10/2008 200720875372 MW-62 138' 610 +/- 150 1,5 +/- 6 Ra226 25 +1- 16 33 +1-7 66 +1- 12

,. Indian Point Groundwater Investigation Summary NYS Results as of 01/08/2008 Th~li7Dte j Saple' ID Sam ple Locti6nh T~ritium pai/r 7jnQnaifSpec

r9 Gj/ GB QCi/l 10/10/2008 200720875373 MW-62 182' 330 +/- 140 <0.7 Ra226 16 +/- 10 17 +/-6 42 +/-9 LAF - LaFarge Gypsum Well GA - Gross Alpha, GB - Gross Beta NA - Not Applicable (This analysis was not performed)

ND - Non Detect ( No readings at or above detection limits)

RDP - Dissolved Radon Decay Products INS - Insufficient Sample Volume for this Analysis Sr-90 Bkg Range =0.8 - 1.3 pCi/I NYSDOH Data, 1987 - 1990.

• Analysis for Sr-90 repeated with 600ml of sample for better counting statistics

• • Review of GA Result requested -->sample high in suspended solids Result recalculated to account for new filter paper

• • • • Turbid Sample

-5Low Sample Volume used for GA/GB due to suspended solids