ML12089A571

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Entergy Pre-Filed Hearing Exhibit ENT00331C, Hydrogeologic Site Investigation Report for the Indian Point Energy Center, Table 4.1 Through Table 6.1
ML12089A571
Person / Time
Site: Indian Point  Entergy icon.png
Issue date: 01/07/2008
From: Barvenik M, Powers M, Winslow D
GZA GeoEnvironmental
To: Evers R
Enercon Services, Atomic Safety and Licensing Board Panel
SECY RAS
Shared Package
ML12089A566 List:
References
RAS 22125, 50-247-LR, 50-286-LR, ASLBP 07-858-03-LR-BD01
Download: ML12089A571 (51)


Text

ENT00331C TABLE 4.1 Submitted: March 29, 2012

SUMMARY

OF WELL LOCATIONS AND INSTALLATION DEPTHS INDIAN POINT ENERGY CENTER BUCHANAN, NY GROUND BEDROCK DATE SAMPLE ZONE ELEVATIONS 1 WELL ID EAST NORTH SURFACE WELLHEAD DEPTH SURFACE DRILLING DATE COORDINATES COORDINATES ELEVATION ELEVATION OF BORING ELEVATION COMPLETED DEVELOPED TOP CENTER BOTTOM MW-30-69 604885.30 462996.83 77.50 75.66 87.20 51.70 11/11/05 11/19/05 8.4 6.4 4.4 30-712 8.4 4.9 4.4 30-822 -1.6 -6.6 -9.6 30-84 -1.6 -8.1 -9.6 MW-31-49 604924.22 462969.84 77.45 75.64 88.15 75.74 12/20/05 2/14/06 40.8 26.8 26.3 31-63 20.3 12.3 11.8 31-85 5.8 -9.2 -9.7 MW-32-62 604876.03 462953.48 78.90 77.13 200.00 71.40 12/21/05 1/13/06 30.3 15.3 14.8 32-92 -5.2 -15.2 -15.7 32-140 -42.7 -62.7 -63.2 32-165 -69.2 -87.7 -89.2 32-196 -95.2 -119.2 -120.7 MW-33 604767.86 462995.54 18.88 18.62 30.21 12.38 12/12/05 12/14/05 2.9 MW-34 604755.31 462976.79 18.48 18.07 30.00 14.98 12/8/05 12/13/05 2.0 MW-35 604744.19 462962.18 18.60 18.44 29.70 10.60 12/6/05 12/20/05 3.6 MW-36-24 604657.59 463090.60 11.80 11.60 54.00 -12.20 1/24/06 2/1/06 5.2 -4.3 -13.8 36-41 11.75 -20.2 -25.2 -30.2 36-52 11.67 -34.4 -37.9 -41.4 MW-37-22 604604.87 463075.37 15.02 14.85 57.00 -9.98 2/9/06 2/22/06 6.7 -0.8 -8.3 37-32 14.79 -11.8 -14.8 -17.8 37-40 14.96 -22.9 -24.2 -25.4 37-57 14.79 -34.7 -38.2 -41.7 MW-38 603810.21 462505.68 14.34 14.00 40.00 NA 12/1/05 12.0 -6.5 -25.0 MW-39-67 604676.87 462425.51 81.83 79.99 200.00 57.33 2/10/06 2/21/06 15.0 13.0 9.5 39-84 0.5 -3.5 -5.0 39-1002 -13.0 -20.0 -23.0 39-102 -13.0 -21.5 -22.0 39-124 -35.0 -44.0 -46.5 39-183 -89.5 -102.5 -106.0 39-195 -113.0 -115.0 -118.5 MW-40-242 603899.35 461950.51 74.95 73.16 200.00 69.95 1/30/06 2/6/06 55.0 49.0 38.0 40-27 55.0 46.5 38.0 40-46 29.0 27.0 19.5 40-81 8.5 -7.5 -11.0 40-100 -20.0 -27.0 -33.5 40-127 -52.0 -54.0 -63.5 40-162 -85.5 -88.5 -117.0 MW-41-13 604531.11 462318.68 54.87 0.00 65.00 40.00 2/23/06 3/2/06 54.7 48.2 41.7 41-40 54.13 35.2 23.2 11.2 41-63 54.13 0.5 -4.5 -9.5 MW-42-49 604857.50 462750.33 69.71 69.42 80.00 44.71 3/16/06 3/22/06 42.7 31.2 19.7 42-78 69.52 3/21/06 2.1 -3.9 -9.9 MW-43-28 604429.78 462192.60 48.76 48.02 65.00 16.30 1/24/06 3/1/06 41.8 29.8 17.8 43-62 47.82 3/1/06 7.4 -5.1 -17.6 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.1 Summary of Well Page 1 of 4 See Page 4 for Notes

TABLE 4.1

SUMMARY

OF WELL LOCATIONS AND INSTALLATION DEPTHS INDIAN POINT ENERGY CENTER BUCHANAN, NY GROUND BEDROCK DATE SAMPLE ZONE ELEVATIONS 1 WELL ID EAST NORTH SURFACE WELLHEAD DEPTH SURFACE DRILLING DATE COORDINATES COORDINATES ELEVATION ELEVATION OF BORING ELEVATION COMPLETED DEVELOPED TOP CENTER BOTTOM MW-44-67 604516.43 462499.91 93.52 93.02 105.00 62.52 3/10/06 3/15/06 43.5 34.5 25.5 44-102 93.09 3/15/06 18.0 4.0 -10.0 MW-45-42 604471.96 462385.52 53.66 53.20 65.00 38.66 3/22/06 3/29/06 28.3 19.3 10.3 45-61 53.10 3/29/06 2.9 -4.4 -11.6 MW-46 604328.72 462431.26 18.08 16.97 31.50 18.08 2/14/06 2/22/06 0.0 7.6 0.0 MW-47-56 604651.13 462664.08 70.32 69.81 80.00 57.32 3/3/06 2/24/06 39.4 25.9 12.4 47-80 69.74 3/14/06 1.8 -4.2 -10.2 MW-48-23 603473.78 462015.66 15.39 14.76 40.00 -9.60 1/27/06 2/2/06 9.1 -0.4 -9.9 48-37 15.07 -16.4 -20.4 -24.4 MW-49-26 604445.56 463080.21 14.58 14.17 65.00 -8.42 3/16/06 3/17/06 0.4 -5.6 -11.6 49-42 604446.12 463078.45 14.63 14.22 3/20/06 -16.5 -23.5 -30.5 49-65 14.46 3/20/06 -41.0 -46.0 -51.0 MW-50-42 604494.30 463039.18 14.92 14.45 67.00 -7.78 3/13/06 3/13/06 -6.5 -17.5 -28.5 50-66 14.61 -44.1 -47.6 -51.1 MW-51-40 604275.34 461822.43 69.64 67.72 200.00 53.64 3/28/06 3/27/06 38.0 28.0 23.5 51-79 4.5 -11.0 -13.5 51-1022 -33.5 -34.5 -43.5 51-104 -33.5 -36.0 -43.5 51-135 -62.5 -67.5 -76.0 51-163 -87.0 -95.0 -98.5 51-189 -116.5 -121.5 -130.0 MW-52-11 604733.05 463253.94 16.77 16.28 12.00 NA3 3/21/06 3/21/06 15.3 9.8 4.3 52-18 604733.54 463254.34 16.77 16.37 200.00 3.77 16.3 -2.6 -13.7 52-48 -31.7 -33.1 -39.7 52-64 -42.7 -49.1 -55.2 52-1182 -94.2 -102.6 -107.2 52-122 -94.2 -107.1 -107.2 52-162 -138.2 -146.6 -147.7 52-181 -154.7 -166.1 -181.7 MW-53-82 604732.60 462822.15 70.26 69.93 125.00 40.26 6/29/06 6/30/06 10.1 -2.4 -14.9 53-120 70.06 -26.5 -39.5 -52.5 MW-54-352 604554.25 462935.57 14.99 13.09 206.00 -1.81 8/30/06 9/7/06 -15.9 -21.9 -28.9 54-37 -15.9 -23.4 -28.9 54-58 -38.4 -44.4 -50.9 54-123 -102.9 -109.9 -112.9 54-144 -121.9 -130.9 -142.4 54-173 -157.4 -159.4 -168.9 54-190 -171.9 -176.9 -190.4 MW-55-24 604635.96 462996.42 18.25 17.77 77.50 8.75 8/11/06 8/14/06 5.7 -0.8 -7.3 55-35 17.77 -10.2 -14.2 -18.2 55-54 17.77 -24.3 -30.8 -37.3 MW-56-53 604658.09 462708.49 70.26 69.32 88.50 41.26 8/29/06 8/30/06 22.3 17.8 13.3 56-83 69.21 4.0 -5.5 -15.0 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.1 Summary of Well Page 2 of 4 See Page 4 for Notes

TABLE 4.1

SUMMARY

OF WELL LOCATIONS AND INSTALLATION DEPTHS INDIAN POINT ENERGY CENTER BUCHANAN, NY GROUND BEDROCK DATE SAMPLE ZONE ELEVATIONS 1 WELL ID EAST NORTH SURFACE WELLHEAD DEPTH SURFACE DRILLING DATE COORDINATES COORDINATES ELEVATION ELEVATION OF BORING ELEVATION COMPLETED DEVELOPED TOP CENTER BOTTOM MW-57-11 604562.36 462888.55 14.98 14.73 47.00 9.48 7/12/06 7/13/06 11.6 7.1 2.6 57-20 14.75 0.1 -2.9 -5.9 57-45 14.81 -13.8 -22.5 -31.3 MW-58-26 604400.31 462864.26 14.57 14.23 72.00 -0.43 7/12/06 7/13/06 0.0 -7.0 -14.0 58-65 14.14 -33.5 -43.0 -52.5 MW-59-32 604330.15 462912.91 14.52 14.41 77.00 1.52 9/8/06 10/3/06 -5.2 -11.7 -18.2 59-45 13.90 -19.4 -25.9 -32.4 59-68 14.23 -37.1 -46.1 -55.1 MW-60-35 604585.60 463381.26 14.31 12.48 200.00 5.81 10/23/06 10/24/06 -12.4 -22.4 -26.9 60-53 -32.9 -40.9 -46.9 60-552 -32.9 -42.4 -46.9 60-72 -53.9 -59.9 -66.4 60-135 -112.4 -122.4 -128.9 60-154 -134.9 -141.9 -152.4 60-176 -158.4 -163.4 -187.9 MW-62-18 14.69 12.81 38.30 NA 8/17/06 10/5/06 6.7 -1.8 -10.3 62-37 -30.3 -33.5 -36.6 62-522 604350.80 463086.79 14.69 12.82 201.00 -22.31 -36.8 -38.8 -41.3 62-53 -36.8 -40.3 -41.3 62-71 -48.3 -58.3 -69.8 62-92 -75.8 -78.8 -86.3 62-138 -113.3 -125.3 -130.8 62-1812 -164.8 -167.8 -185.8 62-182 -164.8 -169.3 -185.8 MW-63-18 604252.14 462968.86 14.18 13.06 35.00 NA 8/17/06 9/22/06 7.1 0.6 -5.9 63-34 -27.1 -30.6 -34.1 63-50 604251.28 462970.42 14.18 12.32 201.00 -17.82 -29.2 -37.2 -45.7 63-912 -69.2 -78.2 -88.2 63-93 -69.2 -80.7 -88.2 63-112 -94.2 -99.2 -99.7 63-121 -105.7 -108.7 -115.2 63-163 -138.2 -150.2 -152.7 63-174 -155.7 -161.7 -178.7 MW-65-48 604851.98 462489.68 69.72 68.86 83.00 34.72 8/21/06 8/23/06 33.9 26.4 18.9 65-80 10.8 -1.7 -14.2 MW-66-21 604408.77 463146.34 14.12 13.41 37.00 -23.48 11/17/06 12/5/06 8.0 0.0 -8.0 66-36 -16.0 -19.5 -23.0 MW-67-39 604426.67 463127.06 14.36 12.51 349.25 -18.64 6/5/07 6/8/07 -15.8 -25.8 -41.3 67-105 -77.3 -92.3 -97.8 67-173 -151.8 -159.8 -175.3 67-219 -196.3 -206.3 -216.8 67-276 -237.8 -262.8 -268.3 67-323 -304.8 -309.8 -317.8 67-340 -322.3 -327.3 -334.8 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.1 Summary of Well Page 3 of 4 See Page 4 for Notes

TABLE 4.1

SUMMARY

OF WELL LOCATIONS AND INSTALLATION DEPTHS INDIAN POINT ENERGY CENTER BUCHANAN, NY GROUND BEDROCK DATE SAMPLE ZONE ELEVATIONS 1 WELL ID EAST NORTH SURFACE WELLHEAD DEPTH SURFACE DRILLING DATE COORDINATES COORDINATES ELEVATION ELEVATION OF BORING ELEVATION COMPLETED DEVELOPED TOP CENTER BOTTOM MW-101 Not surveyed 133.86 133.86 15.00 NA 2/7/00 2/7/00 129.9 124.4 118.9 MW-103 Not surveyed 143.44 146.74 26.30 7.00 2/9/00 2/9/00 133.1 125.1 117.1 MW-104 Not surveyed 140.50 140.50 30.00 136.00 2/10/00 2/10/00 131.5 121.0 110.5 MW-105 Not surveyed 135.73 138.51 20.00 NA 2/10/00 2/10/00 131.7 123.7 115.7 MW-107 605014.18 461922.70 140.06 142.76 35.00 NA 2/15/00 2/15/00 126.1 115.6 105.1 MW-108 604454.15 462819.57 14.48 14.23 11.67 NA 2/21/00 2/21/00 12.8 7.8 2.8 MW-109 604396.85 462860.95 14.55 14.25 11.91 NA 2/25/00 2/25/00 12.6 7.6 2.6 MW-110 Not surveyed 134.55 137.72 29.50 126.55 2/25/00 2/25/00 121.1 113.6 106.1 MW-111 604735.19 463023.59 18.93 18.38 16.92 0.90 2/24/00 2/24/00 7.0 4.2 1.5 MW-112 604888.09 461578.48 136.77 36.77 24.00 126.77 2/26/00 2/26/00 128.8 120.8 112.8 RW-1 604879.23 463006.67 77.50 75.82 138.50 51.30 7/28/06 8/1/06 U3-1 604197.32 462762.55 13.50 13.50 19.00 NA 4/11/96 4/11/96 7.5 1.0 -5.5 U3-2 604262.35 462772.31 14.16 14.11 14.70 NA Not available 4 10.5 5.0 -0.5 U3-3 604293.07 462778.30 14.85 14.60 14.70 NA 4/9/96 4/9/96 11.1 5.6 0.1 U3-4D 604167.66 462723.77 14.82 14.52 34.00 -3.78 12/15/97 12/15/97 -10.2 -14.7 -19.2 U3-4S 604158.88 462711.07 14.65 13.94 17.35 -2.65 12/12/97 12/12/97 8.3 2.8 -2.7 U3-T1 604132.98 462555.03 3.27 8.51 1.20 NA 12/12/97 12/12/97 0.0 2.5 0.0 U3-T2 604240.59 462673.84 3.26 8.51 1.60 NA 12/12/97 12/12/97 0.0 2.5 0.0 I-2 605072.45 463218.16 80.92 82.23 40.00 NA 4/8/03 4/8/03 53.8 48.0 42.2 U1-CSS 604631.14 462827.29 15.09 20.07 Not avaialbe 5 NOTES: well screen in unconsolidated deposit {soil backfill/natural soil}

well screen in consolicated {bedrock}

1. Elevations of sampling ports in waterloo systems or sand packed zone in wells. Low flow sampling locations are given for open rock holes when available.
2. Redundant sampling ports within single sampling zones.
3. Rock surface not encountered.
4. U3-2 is a legacy well installed by Foster Wheeler Env Co. No dates for installation provided.
5. No construction details of U1-CSS were provided to GZA.

J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.1 Summary of Well Page 4 of 4 See Page 4 for Notes

TABLE 4.2 WELL NOMENCLATURE INDIAN POINT ENERGY CENTER BUCHANAN, NY ORIGINAL NEW NOMENCLATURE DESIGNATION MW-30-74 MW-30-69 MW-30-75 MW-30-71 MW-30-87 MW-30-82 MW-30-88 MW-30-84 MW-31-53 MW-31-49 MW-31-67 MW-31-63 MW-31-89 MW-31-85 MW-36-26 MW-36-24 MW-36-41 MW-36-40 MW-36-53 MW-36-52 MW-37-22 MW-37-22 MW-37-32 MW-37-32 MW-37-40 MW-37-40 MW-37-57 MW-37-57 MW-39-69 MW-39-67 MW-39-85 MW-39-84 MW-39-102 MW-39-100 MW-39-103 MW-39-102 MW-39-126 MW-39-124 MW-39-184 MW-39-183 MW-39-197 MW-39-195 MW-40-26 MW-40-24 MW-40-28 MW-40-27 MW-40-48 MW-40-46 MW-40-82 MW-40-81 MW-40-102 MW-40-100 MW-40-129 MW-40-127 MW-40-163 MW-40-162 MW-41-15 MW-41-13 MW-41-42 MW-41-40 MW-41-64 MW-41-63 MW-42-51 MW-42-49 MW-42-79 MW-42-78 MW-43-28 MW-43-28 MW-43-62 MW-43-62 MW-44-67 MW-44-67 MW-44-104 MW-44-102 MW-45-43 MW-45-42 MW-45-62 MW-45-61 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.2 Well Nomenclature Page 1 of 3 See Page 3 for Notes

TABLE 4.2 WELL NOMENCLATURE INDIAN POINT ENERGY CENTER BUCHANAN, NY ORIGINAL NEW NOMENCLATURE DESIGNATION MW-47-56 MW-47-56 MW-47-80 MW-47-80 MW-48-23 MW-48-23 MW-48-38 MW-48-37 MW-49-25 MW-49-26 MW-49-42 MW-49-42 MW-49-65 MW-49-65 MW-50-42 MW-50-42 MW-50-67 MW-50-66 MW-51-42 MW-51-40 MW-51-81 MW-51-79 MW-51-104 MW-51-102 MW-51-106 MW-51-104 MW-51-137 MW-51-135 MW-51-165 MW-51-163 MW-51-191 MW-51-189 MW-51-42 MW-51-40 MW-51-81 MW-51-79 MW-51-104 MW-51-102 MW-51-106 MW-51-104 MW-51-137 MW-51-135 MW-51-165 MW-51-163 MW-51-191 MW-51-189 MW-52-12 MW-52-11 MW-52-19 MW-52-18 MW-52-50 MW-52-48 MW-52-66 MW-52-64 MW-52-119 MW-52-118 MW-52-124 MW-52-122 MW-52-163 MW-52-162 MW-52-183 MW-52-181 MW-53-80 MW-53-82 MW-53-120 MW-53-120 MW-54-37 MW-54-35 MW-54-38 MW-54-37 MW-54-59 MW-54-58 MW-54-125 MW-54-123 MW-54-146 MW-54-144 MW-54-174 MW-54-173 MW-54-192 MW-54-190 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.2 Well Nomenclature Page 2 of 3 See Page 3 for Notes

TABLE 4.2 WELL NOMENCLATURE INDIAN POINT ENERGY CENTER BUCHANAN, NY ORIGINAL NEW NOMENCLATURE DESIGNATION MW-55-24 MW-55-24 MW-55-35 MW-55-35 MW-55-54 MW-55-54 MW-56-54 MW-56-53 MW-56-85 MW-56-83 MW-57-11 MW-57-11 MW-57-20 MW-57-20 MW-57-45 MW-57-45 MW-58-26 MW-58-26 MW-58-65 MW-58-65 MW-59-31 MW-59-32 MW-59-45 MW-59-45 MW-59-68 MW-59-68 MW-60-37 MW-60-35 MW-60-55 MW-60-53 MW-60-57 MW-60-55 MW-60-74 MW-60-72 MW-60-137 MW-60-135 MW-60-156 MW-60-154 MW-60-178 MW-60-176 MW-62-15 MW-62-18 MW-62-38 MW-62-37 MW-62-54 MW-62-52 MW-62-55 MW-62-53 MW-62-73 MW-62-71 MW-62-94 MW-62-92 MW-62-140 MW-62-138 MW-62-182 MW-62-181 MW-62-184 MW-62-182 MW-63-19 MW-63-18 MW-63-35 MW-63-34 MW-63-51 MW-63-50 MW-63-92 MW-63-91 MW-63-95 MW-63-93 MW-63-113 MW-63-112 MW-63-123 MW-63-121 MW-63-164 MW-63-163 MW-63-176 MW-63-174 NOTES: Names of multi-level wells have been changed to relay approximate (within 1/2 ft) depth to bottom from top of well casing Names of waterloo sampling intervals have been changed to relay approximate (within 1/2 ft) depth to top of sampling port from top of well casing.

Names of single interval wells have not been changed.

J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.2 Well Nomenclature Page 3 of 3 See Page 3 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured MW-30 NS 1 51.7 2 Nov 2006 78.470 72.690 5.780 NM 3 Feb 2007 78.057 NS NS NM casing cut (Jan 31, 2007)

Mar 2007 75.660 NS NS NM 2.39' casing cut (Feb 15, 2007)

MW-31 Dec 2005 79.593 NS NS NM May 2007 75.641 77.447 -1.806 NM casing cut for well vault installation (Sept 12, 2006)

MW-32 Dec 2005 78.339 78.939 -0.600 -0.6 May 2007 77.126 78.898 -1.772 NM casing cut for well vault installation (Sept 13, 2006)

MW-33 Dec 2005 18.619 18.879 4 -0.260 -0.26 MW-34 Dec 2005 18.071 18.481 4 -0.410 -0.41 4

MW-35 Dec 2005 18.444 18.604 -0.160 -0.16 MW-36-24 Mar 2006 11.393 NS NS -0.33 May 2007 11.598 11.799 -0.201 NM pvc coupling attached for pneumatic slug testing (May 9, 2007)

MW-36-35 Mar 2006 11.604 NS NS NM May 2007 11.754 11.799 -0.045 -0.19 pvc coupling attached for pneumatic slug testing (Jan 3, 2007)

MW-36-52 Mar 2006 11.492 NS NS NM May 2007 11.670 11.799 -0.129 -0.06 pvc coupling attached for pneumatic slug testing (Jan 3, 2007)

MW-37-22 Mar 2006 14.784 14.964 NS -0.18 May 2007 14.852 15.021 -0.169 NM MW-37-32 Mar 2006 14.725 NS NS NM May 2007 14.791 15.021 -0.230 -0.24 pvc coupling attached for pneumatic slug testing (Jan 3, 2007)

MW-37-40 Mar 2006 14.790 NS NS NM May 2007 14.962 15.021 -0.059 -0.06 pvc coupling attached for pneumatic slug testing (Jan 3, 2007)

June 2007 14.852 15.021 -0.169 NM pvc coupling removed (June 12, 2007)

J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 1 of 6 See Page 6 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured MW-37-57 Mar 2006 14.723 NS NS NM May 2007 14.788 15.021 -0.233 -0.25 pvc coupling attached for pneumatic slug testing (Jan 3, 2007)

MW-38 Dec 2005 13.990 14.350 NS -0.36 May 2007 13.999 14.342 -0.343 NM MW-39 Mar 2006 81.452 81.864 -0.412 NM Jan 2007 79.992 81.827 -1.835 NM casing cut for well vault installation (Sept 19, 2006)

MW-40 Mar 2006 74.758 74.987 -0.229 NM Jan 2007 73.164 74.948 -1.784 -1.83 casing cut for well vault installation (Nov 8, 2006)

MW-41-13 Apr 2006 NS 54.870 NS NM MW-41-40 Apr 2006 54.130 54.870 -0.740 NM MW-41-63 Apr 2006 54.130 54.870 -0.740 NM MW-42-49 Apr 2006 69.419 69.714 -0.295 -0.22 MW-42-78 Apr 2006 69.524 69.714 -0.190 -0.19 MW-43-28 Mar 2006 48.021 48.761 -0.740 NM MW-43-62 Mar 2006 47.821 48.761 -0.940 NM MW-44-67 Apr 2006 93.020 93.520 -0.500 NM MW-44-102 Apr 2006 92.960 93.520 -0.560 NM NS 93.090 93.520 -0.430 -0.43 pvc coupling attached for pneumatic slug testing (May 7, 2007)

MW-45-42 Apr 2006 53.196 53.662 -0.466 -0.46 MW-45-61 Apr 2006 53.097 53.662 -0.565 NM NS 53.217 53.662 -0.445 -0.445 pvc coupling attached for pneumatic slug testing (May 7, 2007)

MW-46 Apr 2006 16.970 18.080 -1.110 -1.1 MW-47-56 Apr 2006 69.805 70.321 -0.516 -0.5 MW-47-80 Apr 2006 69.742 70.321 -0.579 -0.57 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 2 of 6 See Page 6 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured MW-48-23 Mar 2006 14.762 15.394 -0.632 -0.63 May 2007 14.759 15.387 -0.628 NM 5

MW-48-37 Mar 2006 14.765 15.394 -0.629 -0.33 May 2007 15.069 15.387 -0.318 NM NS 15.189 15.387 -0.198 -0.198 pvc coupling attached for pneumatic slug testing (May 25, 2007)

MW-49-26 Apr 2006 14.191 14.655 -0.464 -0.42 May 2007 14.171 14.582 -0.411 NM MW-49-42 Apr 2006 14.133 14.655 -0.522 -0.54 May 2007 14.223 14.628 -0.405 NM pvc coupling attached for pneumatic slug testing (May 9, 2007)

MW-49-65 Apr 2006 14.372 14.655 -0.283 -0.26 May 2007 14.457 14.628 -0.171 -0.17 pvc coupling attached for pneumatic slug testing (May 4, 2007)

MW-50-42 Apr 2006 14.432 14.923 -0.491 -0.59 May 2007 14.453 14.923 NS -0.47 pvc coupling attached for pneumatic slug testing (May 7, 2007)

MW-50-66 Apr 2006 14.614 14.923 -0.309 -0.32 MW-51 Apr 2006 69.340 69.620 -0.280 NM Jan 2007 67.723 69.639 -1.916 -1.83 casing cut for well vault installation (Nov 9, 2006)

MW-52 Apr 2006 16.370 16.766 -0.396 NM NS 14.916 16.766 NS -1.85 casing cut for well vault installation (Oct 17, 2006)

MW-52-11 Apr 2006 16.283 16.766 -0.483 -1.8 MW-53-82 Nov 2006 69.930 70.260 -0.330 -0.32 MW-53-120 Nov 2006 70.060 70.260 -0.200 NM NS 70.190 70.260 NS -0.13 pvc coupling attached for pneumatic slug testing (Dec 28, 2006)

MW-54 Nov 2006 14.760 14.990 -0.230 NM NS 13.090 14.990 NS -1.9 casing cut J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 3 of 6 See Page 6 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured MW-55-24 Nov 2006 17.670 18.250 -0.580 NM ground surface measurements taken from top of manhole NS 17.770 18.250 NS -0.48 pvc coupling attached for pneumatic slug testing (Dec 27, 2006)

MW-55-35 Nov 2006 17.670 18.250 -0.580 NM ground surface measurements taken from top of manhole NS 17.770 18.250 NS -0.48 pvc coupling attached for pneumatic slug testing (Dec 27, 2006)

MW-55-54 Nov 2006 17.680 18.250 -0.570 NM ground surface measurements taken from top of manhole NS 17.770 18.250 NS -0.48 pvc coupling attached for pneumatic slug testing (Dec 27, 2006)

MW-56 Nov 2006 68.560 70.260 -1.700 -1.76 elevation for 4" well casing prior to pvc riser installation MW-56-53 Jan 2007 69.322 70.258 -0.936 -0.97 MW-56-83 Jan 2007 69.207 70.258 -1.051 -1.09 MW-57-11 Nov 2006 14.630 14.980 -0.350 NM NS 14.730 14.980 NS -0.25 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-57-20 Nov 2006 14.610 14.980 -0.370 NM NS 14.750 14.980 NS -0.23 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-57-45 Nov 2006 14.640 14.980 -0.340 NM NS 14.810 14.980 NS -0.17 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-58-26 Nov 2006 14.230 14.570 -0.340 -0.35 MW-58-65 Nov 2006 14.140 14.570 -0.430 NM NS 14.250 14.570 NS -0.32 pvc coupling attached for pneumatic slug testing (Jan 2, 2007)

MW-59-32 Nov 2006 14.310 14.520 -0.210 NM NS 14.410 14.520 NS -0.11 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-59-45 Nov 2006 13.930 14.520 -0.590 NM NS 13.900 14.520 NS -0.62 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-59-68 Nov 2006 14.150 14.520 -0.370 NM NS 14.230 14.520 NS -0.29 pvc coupling attached for pneumatic slug testing (Dec 26, 2006)

MW-60 Nov 2006 12.480 14.310 -1.830 -1.85 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 4 of 6 See Page 6 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured MW-62 Nov 2006 12.820 14.690 -1.870 -1.86 MW-62-18 NS 12.810 14.690 NS -1.88 MW-62-37 NS 12.810 14.690 NS -1.88 MW-63 Jan 2007 12.315 14.178 -1.863 -1.85 MW-63-18 Jan 2007 13.059 14.178 -1.119 -1.16 MW-63-34 Jan 2007 13.059 14.178 -1.119 -1.16 MW-65 Nov 2006 69.720 70.260 -0.540 NM elevation for 4" well casing prior to pvc riser installation MW-65-48 Jan 2007 68.856 69.723 -0.867 -0.93 MW-65-80 Jan 2007 68.841 69.723 -0.882 NM pvc coupling attached for pneumatic slug testing (Dec 28, 2007)

MW-66 Jan 2007 12.155 14.021 -1.866 NM MW-66-21 Sept 2007 13.407 14.122 -0.715 NM MW-66-36 Sept 2007 13.364 14.122 -0.758 NM MW-67 Sept 2007 12.511 14.356 -1.845 NM MW-107 Dec 2005 142.757 140.061 2.696 NM MW-108 Dec 2005 14.230 NS NS -0.25 MW-109 Dec 2005 14.254 NS NS -0.3 MW-111 Dec 2005 19.385 NS NS NM casing cut approx 1 ft (Mar 20, 2006)

Nov 2006 18.380 18.930 -0.550 -0.59 casing cut and new manhole installed (Nov 2006)

MW-112 Dec 2005 36.773 NS NS NM 6

U3-1 Dec 2005 13.495 NS NS NM U3-2 Dec 2005 14.114 14.164 NS -0.05 U3-3 Dec 2005 14.599 14.849 NS -0.25 U3-4D Dec 2005 14.519 14.819 NS -0.3 U3-4S Dec 2005 13.943 14.653 NS -0.71 U3-T1 Mar 2006 8.518 3.267 5.251 5.15 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 5 of 6 See Page 6 for Notes

TABLE 4.3 WELL HEAD ELEVATION CHANGES INDIAN POINT ENERGY CENTER BUCHANAN, NY MONTH TOC EL. GS EL. Distance from GS to TOC, ft WELL ID ALTERATIONS (DATE)

SURVEYED ft ft surveyed measured U3-T2 Mar 2006 8.512 3.259 5.253 5.15 I-2 Nov 2006 82.230 80.920 1.310 NM HR-1 Apr 2006 18.517 NS NS NM May 2007 18.496 14.994 3.502 NM OUT-1 Apr 2006 11.910 NS NS NM Jan 2007 11.901 8.188 3.713 3.65 May 2007 11.891 8.204 3.687 NM U3-C1 Jan 2007 18.069 14.981 3.088 NM May 2007 18.060 15.003 3.057 NM U2-C1 Apr 2006 15.054 12.054 3.000 3.0 May 2007 15.054 12.031 3.023 NM RW-1 Nov 2006 81.280 72.690 8.590 NM Feb 2007 76.518 72.738 NS 3.78 casing cut 4.3' (Jan 31, 2007)

Mar 2007 75.822 NS NS NM casing cut 0.69' (Feb 15, 2007)

U1-CSS May 2007 20.073 15.088 4.985 5.0 MH-3 Mar 2006 14.847 NA NA NA MH-4 Mar 2006 16.949 NA NA NA MH-4A Mar 2006 12.707 NA NA NA MH-5 Nov 2006 18.540 NA NA NA NOTES: All elevations are above NGVD29.

1. NS: Not Surveyed 4. Ground surface measurements taken from top of manhole
2. From Con. Ed. Co. DWG A200002, "Details of excavation" 5. Surveyor error
3. NM: Not Measured 6. Road box in a sinkhole. Ground surface location is unclear.

J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.3 Well Head Cha Page 6 of 6 See Page 6 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-30 10 5 1.8 8.5 Packered rising slug Hvorslev4 7 2 1.0 4.8 Packered rising slug Hvorslev 3 -1 0.0048 0.02 Packered rising slug Hvorslev

-1 -10 0.00071 0.0 Packered rising slug Hvorslev MW-31 45 36 0.17 1.4 Packered rising slug Hvorslev 37 28 29 250.0 Packered extraction Unconfined Theis5 29 20 1.7 14.6 Packered rising slug Hvorslev 21 12 0.50 4.3 Packered rising slug Hvorslev 14 5 0.31 2.7 Packered rising slug Hvorslev 6 -3 0.34 2.9 Packered rising slug Hvorslev 0 -11 0.20 2.1 Packered rising slug Hvorslev MW-32 8 -2 0.016 0.2 Packered rising slug Hvorslev

-2 -12 0.31 3.1 Packered rising slug Hvorslev

-39 -49 0.30 3.0 Packered rising slug Hvorslev

-53 -63 1.0 9.6 Packered rising slug Hvorslev

-70 -80 0.41 4.1 Packered rising slug Hvorslev

-92 -102 1.1 10.5 Packered rising slug Hvorslev

-97 -107 0.15 1.5 Packered rising slug Hvorslev

-107 -117 0.36 3.6 Packered rising slug Hvorslev MW-33 9 -11 0.55 11.3 Rising slug Hvorslev MW-34 9 -12 0.45 9.5 Rising slug Hvorslev MW-35 12 -12 0.47 11.0 Rising slug Hvorslev MW-36-41 -20 -30 0.24 2.4 Rising slug Hvorslev 0.10 1.0 Pneumatic slug Hvorslev 36-52 -34 -41 0.12 0.8 Rising slug Hvorslev 0.095 0.7 Pneumatic slug Hvorslev MW-37-32 -12 -18 26 141.7 Rising slug Hvorslev 37-40 -23 -25 0.0047 0.0 Pneumatic slug Hvorslev 37-57 -35 -42 2.5 17.4 Rising slug Hvorslev 1.1 7.7 Pneumatic slug Hvorslev MW-38 12 -25 22 811.0 Specific capacity Walton6 MW-39 23 13 12 122.0 Packered extraction Unconfined Theis 12 2 0.6 5.7 Packered rising slug Hvorslev 2 -8 1.5 15.0 Packered rising slug Hvorslev 2.5 25.0 Packered extraction Unconfined Theis

-7 -17 0.51 5.1 Packered rising slug Hvorslev

-18 -28 13 128.0 Packered extraction Unconfined Theis

-37 -47 2.3 23.0 Packered rising slug Hvorslev 2.3 23.0 Packered extraction Unconfined Theis

-47 -57 0.016 0.2 Packered rising slug Hvorslev

-57 -67 0.067 0.7 Packered rising slug Hvorslev

-70 -80 0.019 0.2 Packered rising slug Hvorslev

-83 -93 0.0045 0.0 Packered rising slug Hvorslev

-93 -103 0.58 5.8 Packered rising slug Hvorslev

-103 -113 0.69 6.9 Packered rising slug Hvorslev J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 1 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-40 57 47 7.4 74.0 Packered extraction Unconfined Theis 47 37 1.1 10.7 Packered rising slug Hvorslev 41 31 0.64 6.4 Packered rising slug Hvorslev 31 21 0.10 1.0 Packered rising slug Hvorslev 23 13 0.088 0.9 Packered rising slug Hvorslev 12 2 0.14 1.4 Packered rising slug Hvorslev

-5 -15 0.20 2.0 Packered rising slug Hvorslev

-20 -30 0.27 2.7 Packered rising slug Hvorslev

-52 -62 0.23 2.3 Packered rising slug Hvorslev

-71 -81 0.31 3.1 Packered rising slug Hvorslev

-85 -95 0.092 0.9 Packered rising slug Hvorslev

-103 -113 0.035 0.4 Packered rising slug Hvorslev MW-41-40 35 11 0.036 0.9 Rising slug Hvorslev 41-63 0 -10 22 219.0 Rising slug Hvorslev MW-42-49 43 20 0.57 13.0 Extraction Unconfined Theis 0.52 12.0 Rising slug Hvorslev 42-78 2 -10 2.0 23.6 Rising slug Hvorslev MW-43-28 42 18 0.45 10.8 Rising slug Hvorslev 43-62 7 -18 0.16 4.0 Extraction Unconfined Theis 0.031 0.8 Rising slug Hvorslev MW-44-67 58 25 1.0 10.0 Specific capacity Walton 44-102 18 -10 0.092 2.6 Pneumatic slug Hvorslev MW-45-42 28 10 0.0050 0.1 Extraction Unconfined Theis 45-61 3 -12 0.20 2.9 Pneumatic slug Hvorslev MW-46 12.8 -12.9 0.10 2.6 Rising slug Hvorslev MW-47-80 2 -10 1.4 16.4 Rising slug Hvorslev MW-48-23 9 -10 4.1 77.0 Specific capacity Walton 48-37 -16 -24 2.5 20.0 Pneumatic slug Hvorslev MW-49-42 -16 -30 6.2 86.8 Pneumatic slug Hvorslev 49-65 -41 -51 6.2 62.0 Pneumatic slug Hvorslev MW-50-42 -6 -28 3.2 70.4 Pneumatic slug Hvorslev 50-66 -44 -51 0.14 1.0 Specific capacity Walton 0.24 1.7 Rising slug Hvorslev J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 2 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-51 42 -127 0.059 10.0 Specific capacity Walton 31 40 0.17 1.6 Packered rising slug Hvorslev 20 30 0.39 3.8 Packered rising slug Hvorslev 10 19 0.066 0.6 Packered rising slug Hvorslev

-5 4 0.073 0.7 Packered rising slug Hvorslev

-18 -8 0.075 0.7 Packered rising slug Hvorslev

-29 -19 0.22 2.1 Packered rising slug Hvorslev

-40 -31 0.16 1.5 Packered rising slug Hvorslev

-50 -40 0.38 3.7 Packered rising slug Hvorslev

-61 -51 0.036 0.4 Packered rising slug Hvorslev

-72 -62 0.082 0.8 Packered rising slug Hvorslev

-84 -74 0.052 0.5 Packered rising slug Hvorslev

-94 -85 0.075 0.7 Packered rising slug Hvorslev

-98 -88 0.15 1.5 Packered rising slug Hvorslev

-114 -104 0.14 1.3 Packered rising slug Hvorslev

-125 -115 0.19 1.8 Packered rising slug Hvorslev MW-52 6 -183 0.011 2.0 Specific capacity Walton 4 -5 0.40 3.9 Packered rising slug Hvorslev

-2 -11 0.00069 0.0 Packered rising slug Hvorslev

-11 -21 0.0010 0.0 Packered rising slug Hvorslev

-22 -32 0.0013 0.0 Packered rising slug Hvorslev

-33 -43 0.10 1.0 Packered rising slug Hvorslev

-43 -53 0.0021 0.0 Packered rising slug Hvorslev

-52 -62 0.0018 0.0 Packered rising slug Hvorslev

-60 -69 0.025 0.2 Packered rising slug Hvorslev

-72 -82 0.15 1.5 Packered rising slug Hvorslev

-84 -93 0.16 1.6 Packered rising slug Hvorslev

-99 -108 0.13 1.3 Packered rising slug Hvorslev

-116 -126 0.084 0.8 Packered rising slug Hvorslev

-127 -136 0.13 1.3 Packered rising slug Hvorslev

-142 -151 0.14 1.4 Packered rising slug Hvorslev

-152 -161 0.064 0.6 Packered rising slug Hvorslev

-163 -172 0.031 0.3 Packered rising slug Hvorslev MW-53-82 10 -15 0.76 19.0 Extraction Unconfined Theis53-120 -30 -50 0.15 3.0 Pneumatic slug Hvorslev J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 3 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-54 -172 -191 1.5 28.1 Packered rising slug Hvorslev

-167 -191 1.0 24.0 Packered extraction Unconfined Theis

-157 -167 2.5 24.3 Packered rising slug Hvorslev 3.1 30.0 Packered extraction Unconfined Theis

-142 -152 1.1 10.3 Packered rising slug Hvorslev

-131 -141 1.9 18.5 Packered rising slug Hvorslev 1.6 16.0 Packered extraction Unconfined Theis

-122 -131 2.8 26.3 Packered rising slug Hvorslev 1.9 18.0 Packered extraction Unconfined Theis

-105 -115 2.5 23.8 Packered rising slug Hvorslev 1.3 13.0 Packered extraction Unconfined Theis

-96 -105 0.6 5.8 Packered rising slug Hvorslev

-86 -96 0.45 4.3 Packered rising slug Hvorslev

-69 -78 0.30 2.9 Packered rising slug Hvorslev

-59 -69 0.17 1.7 Packered rising slug Hvorslev

-49 -59 0.28 2.7 Packered rising slug Hvorslev

-40 -49 0.40 3.9 Packered rising slug Hvorslev

-30 -40 0.69 6.7 Packered rising slug Hvorslev

-20 -30 0.69 6.7 Packered rising slug Hvorslev

-9 -19 0.47 4.6 Packered rising slug Hvorslev

-6 -9 0.22 0.8 Packered rising slug Hvorslev MW-55-24 5.72 -7.28 0.71 9.2 Pneumatic slug Hvorslev 55-35 -10.18 -18.18 2.5 20.0 Pneumatic slug Hvorslev 55-54 -24.33 -37.33 3.8 49.1 Pneumatic slug Hvorslev MW-56-83 3.987 -15.013 3.9 58.1 Pneumatic slug Hvorslev MW-57-11 10 2.6 0.38 2.7 Pneumatic slug Hvorslev 57-20 0.13 -5.87 3.4 20.5 Pneumatic slug Hvorslev 57-45 -13.77 -31.27 0.90 15.8 Pneumatic slug Hvorslev MW-58-26 0.02 -13.98 0.36 5.0 Extraction Unconfined Theis 58-65 -33.54 -52.54 1.0 19.0 Pneumatic slug Hvorslev MW-59-32 -5.17 -18.17 5.9 77.2 Pneumatic slug Hvorslev 59-45 -19.35 -32.35 1.9 24.3 Pneumatic slug Hvorslev 59-68 -37.09 -55.09 0.2 4.2 Pneumatic slug Hvorslev MW-60 -174 -188 0.042 0.6 Packered rising slug Hvorslev

-158 -168 0.010 0.1 Packered rising slug Hvorslev

-147 -157 0.10 0.9 Packered rising slug Hvorslev

-137 -147 0.54 5.2 Packered rising slug Hvorslev

-121 -130 0.29 2.8 Packered rising slug Hvorslev

-101 -111 0.022 0.2 Packered rising slug Hvorslev

-85 -95 0.12 1.2 Packered rising slug Hvorslev

-74 -84 0.27 2.6 Packered rising slug Hvorslev

-55 -64 0.40 3.9 Packered rising slug Hvorslev

-36 -46 0.83 8.1 Packered rising slug Hvorslev

-20 -30 0.064 0.6 Packered rising slug Hvorslev 1 -15 0.00066 0.0 Packered rising slug Hvorslev J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 4 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-62 -172 -186 0.37 5.2 Packered rising slug Hvorslev

-162 -172 0.72 7.0 Packered rising slug Hvorslev

-154 -163 0.34 3.3 Packered rising slug Hvorslev

-143 -153 0.042 0.4 Packered rising slug Hvorslev

-133 -142 0.091 0.9 Packered rising slug Hvorslev

-120 -130 0.24 2.3 Packered rising slug Hvorslev

-102 -112 0.22 2.2 Packered rising slug Hvorslev

-92 -102 0.076 0.7 Packered rising slug Hvorslev

-83 -92 0.060 0.6 Packered rising slug Hvorslev

-66 -76 0.050 0.5 Packered rising slug Hvorslev

-48 -58 0.0080 0.1 Packered rising slug Hvorslev

-37 -47 0.0072 0.1 Packered rising slug Hvorslev 62-37 -30 -37 3.0 18.0 Pneumatic slug Hvorslev MW-63 -172 -187 1.4 21.5 Packered rising slug Hvorslev

-151 -161 0.39 3.8 Packered rising slug Hvorslev

-141 -151 0.46 4.5 Packered rising slug Hvorslev

-131 -141 0.044 0.4 Packered rising slug Hvorslev

-109 -119 0.30 2.9 Packered rising slug Hvorslev

-96 -106 1.0 9.7 Packered rising slug Hvorslev

-86 -96 0.090 0.9 Packered rising slug Hvorslev

-74 -84 1.1 10.7 Packered rising slug Hvorslev

-64 -74 1.9 17.9 Packered rising slug Hvorslev

-57 -67 0.43 4.2 Packered rising slug Hvorslev

-47 -56 0.29 2.8 Packered rising slug Hvorslev

-36 -46 0.87 8.4 Packered rising slug Hvorslev

-22 -36 0.80 11.2 Packered rising slug Hvorslev 6.9 96.0 Packered extraction Unconfined Theis 63-34 -27 -34 48 336.0 Pneumatic slug Hvorslev MW-65-48 34 19 0.27 4.0 Extraction Unconfined Theis 65-80 11 -14 0.39 9.8 Pneumatic slug Hvorslev MW-66 -168 -186 0.42 7.6 Packered rising slug Hvorslev

-158 -168 0.21 2.0 Packered rising slug Hvorslev

-148 -158 0.17 1.6 Packered rising slug Hvorslev

-138 -148 0.14 1.4 Packered rising slug Hvorslev

-128 -138 0.07 0.7 Packered rising slug Hvorslev

-117 -127 1.4 14.0 Packered extraction Unconfined Theis

-95 -105 1.5 14.3 Packered rising slug Hvorslev

-83 -93 0.050 0.5 Packered rising slug Hvorslev

-70 -80 0.18 1.7 Packered rising slug Hvorslev

-49 -59 0.040 0.4 Packered rising slug Hvorslev

-29 -39 0.090 0.9 Packered rising slug Hvorslev

-24 -38 6.5 90.9 Packered extraction Unconfined Theis J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 5 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS MW-67 -317 -335 1.1 20.0 Packered rising slug Hvorslev 1.3 24.6 Packered extraction recovery Hvorslev

-305 -335 1.0 28.9 Packered rising slug Hvorslev 0.77 23.2 Packered extraction recovery Hvorslev

-301 -316 0.74 11.0 Packered rising slug Hvorslev 0.66 9.8 Packered extraction recovery Hvorslev

-294 -309 0.25 3.7 Packered extraction recovery Hvorslev

-282 -297 0.87 12.9 Packered extraction recovery Hvorslev

-270 -285 0.41 6.1 Packered extraction recovery Hvorslev

-243 -258 3.4 49.6 Packered extraction recovery Hvorslev

-235 -250 2.1 31.1 Packered extraction recovery Hvorslev

-219 -234 0.45 6.7 Packered rising slug Hvorslev 0.45 6.7 Packered extraction recovery Hvorslev

-202 -217 0.91 13.5 Packered rising slug Hvorslev 1.0 14.5 Packered extraction recovery Hvorslev

-186 -201 0.29 4.3 Packered rising slug Hvorslev 0.29 4.3 Packered extraction recovery Hvorslev

-156 -171 0.16 2.3 Packered rising slug Hvorslev 0.15 2.2 Packered extraction recovery Hvorslev

-138 -153 0.14 2.0 Packered rising slug Hvorslev 0.12 1.8 Packered extraction recovery Hvorslev

-119 -133 0.16 2.4 Packered rising slug Hvorslev 0.53 7.8 Packered extraction recovery Hvorslev

-115 -130 0.22 3.3 Packered rising slug Hvorslev 0.21 3.1 Packered extraction recovery Hvorslev

-115 -130 0.34 5.0 Packered extraction recovery Hvorslev

-104 -119 0.20 3.0 Packered extraction recovery Hvorslev

-86 -100 0.82 12.1 Packered rising slug Hvorslev 1.0 14.2 Packered extraction recovery Hvorslev

-71 -86 0.27 4.0 Packered rising slug Hvorslev 0.27 4.0 Packered extraction recovery Hvorslev

-58 -72 0.049 0.7 Packered extraction recovery Hvorslev

-42 -56 0.022 0.3 Packered extraction recovery Hvorslev

-32 -47 0.045 0.7 Packered extraction recovery Hvorslev

-25 -40 0.93 13.8 Packered rising slug Hvorslev

-18 -33 1.1 17.0 Packered rising slug Hvorslev MW-109 6 2 76 301.0 Specific capacity Cooper-Jacob7 MW-111 5 0 3.5 19.3 Rising slug Hvorslev U3-3 6 0 2.5 15.0 Extraction Unconfined Theis U3-4D -10 -19 0.44 4.0 Specific capacity Walton J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 6 of 7 See Page 7 for Notes

TABLE 4.4 HYDRAULIC CONDUCTIVITY

SUMMARY

INDIAN POINT ENERGY CENTER BUCHANAN, NY TEST ZONE 1 K2 T3 METHOD OF 2

WELL ID EL., ft ft/d ft /d TEST METHOD ANALYSIS U3-4S 5 -3 39 333.0 Extraction Unconfined Theis I-2 54 42 0.08 0.9 Rising slug Hvorslev NOTES: well screen in unconsolidated deposit {soil backfill/natural soil}

well screen in consolicated {bedrock}

All elevations are above NGVD29.

1. Submerged parts of sand packed zones in wells. Packered or submerged zones for open rock holes.
2. Hydraulic conductivity
3. Transmissivity. Calculated by multiplying K with test zone interval.
4. Hvorslev, M.J., 1951. Time Lag and Soil Permeability in Ground-Water Observations, Bull. No. 36, Waterways Exper. Sta. Corps of Engrs, U.S. Army, Vicksburg, Mississippi, pp. 1-50.
5. Theis, C.V., 1935. The relation between the lowering of the piezometric surface and the rate and duration of discharge of a well using groundwater storage, Am. Geophys. Union Trans., vol. 16, pp. 519-524.
6. Walton, W. C., 1970. Groundwater resource evaluation: New York, McGraw-Hill.
7. Cooper, H.H. and C.E. Jacob, 1946. A generalized graphical method for evaluating formation constants and summarizing well field history, Am. Geophys. Union Trans.

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IP tables for updates.xls; TABLE 4.4 Hydraulic Conduct Page 7 of 7 See Page 7 for Notes

TABLE 4.5 TRANSDUCER INFORMATION INDIAN POINT ENERGY CENTER BUCHANAN, NY DIAPHRAGM TRANSDUCER PRESSURE ACCURACY ACCURACY WELL ID DEPTH EL. RANGE 1 MAKE  % full scale ft H2O ft below toc ft msl psi MW-30-69 68.8 6.9 Geokon 10 0.10 0.023 MW-30-71 70.3 5.4 Geokon 10 0.10 0.023 MW-30-82 81.8 -6.1 Geokon 10 0.10 0.023 MW-30-84 83.3 -7.6 Geokon 10 0.10 0.023 MW-31-49 48.3 27.3 Geokon 10 0.10 0.023 MW-31-63 63.0 12.6 Geokon 50 0.10 0.115 MW-31-85 84.5 -8.9 Geokon 50 0.10 0.115 2

MW-32-62 59.5 17.6 Geokon 10 0.10 0.023 MW-32-922 90.2 -13.1 Geokon 50 0.10 0.115 2

MW-32-140 137.7 -60.6 Geokon 50 0.10 0.115 2

MW-32-165 162.7 -85.6 Geokon 50 0.10 0.115 2

MW-32-196 194.5 -117.4 Geokon 100 0.10 0.231 3

MW-32-48 48.0 29.1 Geokon 50 0.10 0.115 3

MW-32-59 58.0 19.1 Geokon 50 0.10 0.115 3

MW-32-85 85.0 -7.9 Geokon 50 0.10 0.115 MW-32-1313 130.5 -53.4 Geokon 50 0.10 0.115 3

MW-32-149 149.0 -71.9 Geokon 50 0.10 0.115 3

MW-32-173 172.5 -95.4 Geokon 100 0.10 0.231 3

MW-32-190 190.0 -112.9 Geokon 100 0.10 0.231 4

MW-33 variable In-Situ MiniTroll 30 0.10 0.069 MW-34 variable In-Situ MiniTroll 30 0.10 0.069 MW-35 variable In-Situ MiniTroll 30 0.10 0.069 MW-36-24 variable In-Situ MiniTroll 30 0.10 0.069 MW-36-41 variable In-Situ MiniTroll 30 0.10 0.069 MW-36-52 variable In-Situ MiniTroll 30 0.10 0.069 MW-37-22 variable In-Situ MiniTroll 30 0.10 0.069 MW-37-32 variable In-Situ MiniTroll 30 0.10 0.069 MW-37-40 variable In-Situ MiniTroll 30 0.10 0.069 MW-37-57 variable In-Situ MiniTroll 30 0.10 0.069 MW-38 variable In-Situ MiniTroll 30 0.10 0.069 MW-39-67 66.7 13.3 Geokon 50 0.10 0.115 MW-39-84 83.0 -3.0 Geokon 25 0.10 0.058 MW-39-100 99.5 -19.5 Geokon 25 0.10 0.058 MW-39-102 101.2 -21.2 Geokon 50 0.10 0.115 MW-39-124 123.7 -43.7 Geokon 50 0.10 0.115 MW-39-183 182.2 -102.2 Geokon 50 0.10 0.115 MW-39-195 194.7 -114.7 Geokon 100 0.10 0.231 MW-40-24 23.9 49.3 Geokon 50 0.10 0.115 MW-40-27 26.2 47.0 Geokon 10 0.10 0.023 MW-40-46 45.7 27.5 Geokon 25 0.10 0.058 MW-40-81 80.2 -7.0 Geokon 25 0.10 0.058 MW-40-100 99.9 -26.7 Geokon 50 0.10 0.115 MW-40-127 126.9 -53.7 Geokon 50 0.10 0.115 MW-40-162 161.4 -88.2 Geokon 100 0.10 0.231 MW-41-40 variable In-Situ MiniTroll 30 0.10 0.069 MW-41-63 variable In-Situ MiniTroll 30 0.10 0.069 MW-42-49 variable In-Situ MiniTroll 30 0.10 0.069 MW-42-78 variable In-Situ MiniTroll 30 0.10 0.069 MW-43-28 variable In-Situ MiniTroll 30 0.10 0.069 MW-43-62 variable In-Situ MiniTroll 30 0.10 0.069 MW-44-67 variable In-Situ MiniTroll 30 0.10 0.069 MW-44-102 variable In-Situ MiniTroll 30 0.10 0.069 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.5-Transducer Page 1 of 3 See Page 3 for Notes

TABLE 4.5 TRANSDUCER INFORMATION INDIAN POINT ENERGY CENTER BUCHANAN, NY DIAPHRAGM TRANSDUCER PRESSURE ACCURACY ACCURACY WELL ID DEPTH EL. RANGE MAKE  % full scale ft H2O1 ft below toc ft msl psi MW-45-42 variable In-Situ MiniTroll 30 0.10 0.069 MW-45-61 variable In-Situ MiniTroll 30 0.10 0.069 MW-46 variable In-Situ MiniTroll 30 0.10 0.069 MW-47-56 variable In-Situ MiniTroll 30 0.10 0.069 MW-47-80 variable In-Situ MiniTroll 30 0.10 0.069 MW-48-23 variable In-Situ MiniTroll 30 0.10 0.069 MW-48-37 variable In-Situ MiniTroll 30 0.10 0.069 MW-49-26 variable In-Situ MiniTroll 30 0.10 0.069 MW-49-42 variable In-Situ MiniTroll 30 0.10 0.069 MW-49-65 variable In-Situ MiniTroll 30 0.10 0.069 MW-50-42 variable In-Situ MiniTroll 30 0.10 0.069 MW-50-66 variable In-Situ MiniTroll 30 0.10 0.069 MW-51-40 39.4 28.3 Geokon 50 0.10 0.115 MW-51-79 78.2 -10.5 Geokon 25 0.10 0.058 MW-51-102 101.9 -34.2 Geokon 50 0.10 0.115 MW-51-104 103.4 -35.7 Geokon 50 0.10 0.115 MW-51-135 134.9 -67.2 Geokon 50 0.10 0.115 MW-51-163 162.4 -94.7 Geokon 100 0.10 0.231 MW-51-189 188.9 -121.2 Geokon 100 0.10 0.231 MW-52-11 variable In-Situ MiniTroll 30 0.10 0.069 MW-52-18 17.2 -2.3 Geokon 50 0.10 0.115 MW-52-48 47.5 -32.6 Geokon 25 0.10 0.058 MW-52-64 63.7 -48.8 Geokon 50 0.10 0.115 MW-52-118 117.2 -102.3 Geokon 50 0.10 0.115 MW-52-122 121.7 -106.8 Geokon 50 0.10 0.115 MW-52-162 161.2 -146.3 Geokon 100 0.10 0.231 MW-52-181 180.7 -165.8 Geokon 100 0.10 0.231 MW-53-82 variable In-Situ MiniTroll 30 0.10 0.069 MW-53-120 variable In-Situ MiniTroll 30 0.10 0.069 MW-54-35 34.7 -21.6 Geokon 50 0.10 0.115 MW-54-37 36.2 -23.1 Geokon 50 0.10 0.115 MW-54-58 57.2 -44.1 Geokon 50 0.10 0.115 MW-54-123 122.7 -109.6 Geokon 50 0.10 0.115 MW-54-144 143.7 -130.6 Geokon 50 0.10 0.115 MW-54-173 172.2 -159.1 Geokon 100 0.10 0.231 MW-54-190 189.7 -176.6 Geokon 100 0.10 0.231 MW-55-24 variable In-Situ MiniTroll 30 0.10 0.069 MW-55-35 variable In-Situ MiniTroll 30 0.10 0.069 MW-55-54 variable In-Situ MiniTroll 30 0.10 0.069 MW-56-53 variable In-Situ MiniTroll 30 0.10 0.069 MW-56-83 variable In-Situ MiniTroll 30 0.10 0.069 MW-57-11 variable In-Situ MiniTroll 30 0.10 0.069 MW-57-20 variable In-Situ MiniTroll 30 0.10 0.069 MW-57-45 variable In-Situ MiniTroll 30 0.10 0.069 MW-58-26 variable In-Situ MiniTroll 30 0.10 0.069 MW-58-65 variable In-Situ MiniTroll 30 0.10 0.069 MW-59-32 variable In-Situ MiniTroll 30 0.10 0.069 MW-59-45 variable In-Situ MiniTroll 30 0.10 0.069 MW-59-68 variable In-Situ MiniTroll 30 0.10 0.069 MW-60-35 34.6 -22.1 Geokon 50 0.10 0.115 MW-60-53 52.9 -40.4 Geokon 25 0.10 0.058 MW-60-55 54.4 -41.9 Geokon 25 0.10 0.058 MW-60-72 72.1 -59.6 Geokon 50 0.10 0.115 MW-60-135 134.6 -122.1 Geokon 50 0.10 0.115 MW-60-154 154.1 -141.6 Geokon 100 0.10 0.231 MW-60-176 175.6 -163.1 Geokon 100 0.10 0.231 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.5-Transducer Page 2 of 3 See Page 3 for Notes

TABLE 4.5 TRANSDUCER INFORMATION INDIAN POINT ENERGY CENTER BUCHANAN, NY DIAPHRAGM TRANSDUCER PRESSURE ACCURACY ACCURACY WELL ID DEPTH EL. RANGE MAKE  % full scale ft H2O1 ft below toc ft msl psi MW-62-18 variable In-Situ MiniTroll 30 0.10 0.069 MW-62-37 variable In-Situ MiniTroll 30 0.10 0.069 MW-62-52 51.3 -38.5 Geokon 50 0.10 0.115 MW-62-53 52.8 -40.0 Geokon 50 0.10 0.115 MW-62-71 70.8 -58.0 Geokon 50 0.10 0.115 MW-62-92 91.3 -78.5 Geokon 50 0.10 0.115 MW-62-138 137.8 -125.0 Geokon 50 0.10 0.115 MW-62-181 180.3 -167.5 Geokon 100 0.10 0.231 MW-62-182 181.8 -169.0 Geokon 100 0.10 0.231 MW-63-18 variable In-Situ MiniTroll 30 0.10 0.069 MW-63-35 variable In-Situ MiniTroll 30 0.10 0.069 MW-63-50 49.2 -36.9 Geokon 50 0.10 0.115 MW-63-91 90.2 -77.9 Geokon 50 0.10 0.115 MW-63-93 92.7 -80.4 Geokon 50 0.10 0.115 MW-63-112 111.2 -98.9 Geokon 50 0.10 0.115 MW-63-121 120.7 -108.4 Geokon 50 0.10 0.115 MW-63-163 162.2 -149.9 Geokon 100 0.10 0.231 MW-63-174 173.7 -161.4 Geokon 100 0.10 0.231 MW-65-48 variable In-Situ MiniTroll 30 0.10 0.069 MW-65-80 variable In-Situ MiniTroll 30 0.10 0.069 MW-66-21 variable In-Situ MiniTroll 30 0.10 0.069 MW-66-36 variable In-Situ MiniTroll 30 0.10 0.069 MW-67-39 38.0 -25.5 Geokon 50 0.10 0.115 MW-67-105 104.5 -92.0 Geokon 50 0.10 0.115 MW-67-173 172.0 -159.5 Geokon 100 0.10 0.231 MW-67-219 218.5 -206.0 Geokon 100 0.10 0.231 MW-67-276 275.0 -262.5 Geokon 100 0.10 0.231 MW-67-323 322.0 -309.5 Geokon 145 0.10 0.334 MW-67-340 339.5 -327.0 Geokon 145 0.10 0.334 MW-107 variable In-Situ MiniTroll 30 0.10 0.069 MW-108 variable In-Situ MiniTroll 30 0.10 0.069 MW-109 variable In-Situ MiniTroll 30 0.10 0.069 MW-111 variable In-Situ MiniTroll 30 0.10 0.069 U3-1 variable In-Situ MiniTroll 30 0.10 0.069 U3-2 variable In-Situ MiniTroll 30 0.10 0.069 U3-3 variable In-Situ MiniTroll 30 0.10 0.069 U3-4S variable In-Situ MiniTroll 30 0.10 0.069 U3-4D variable In-Situ MiniTroll 30 0.10 0.069 U3-T1 variable In-Situ MiniTroll 30 0.10 0.069 U3-T2 variable In-Situ MiniTroll 30 0.10 0.069 I-2 variable In-Situ MiniTroll 30 0.10 0.069 U1-CSS variable Geokon 10 0.10 0.023 NOTES:

All elevations are above NGVD29.

1. 0.1% of full scale
2. Transducer installation data for MW-32 Waterloo System configuration in place prior to September 2007.
3. Transducer installation data for MW-32 Waterloo System configuration as re-installed in September 2007 (see Appendix D for further information).
4. "Variable" indicates that the transducer has been positioned at different elevations over time (see Appendix M for further information).

J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 4.5-Transducer Page 3 of 3 See Page 3 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-30-69 6.4 8/18/06 220,000 ND2 ND NA3 ND 11/29/06 106,000 2.5 3,130 ND ND 1/16/07 81,700 ND ND NA ND 6/12/07 297,000 ND ND ND ND 7/18/07 82,100 NA NA NA NA 7/25/07 232,000 ND ND NA ND 8/1/07 103,000 NA NA NA NA 8/8/07 99,600 NA NA NA NA 8/15/07 233,000 NA NA NA NA 8/21/07 107,000 NA NA NA NA 8/30/07 98,000 NA NA NA NA 9/7/07 97,900 NA NA NA NA 9/13/07 93,100 NA NA NA NA 9/19/07 92,000 NA NA NA NA 30-84 -8.1 8/22/06 12,500 ND ND NA ND 11/29/06 10,100 ND 294 ND ND 1/17/07 7,330 ND ND NA ND 6/12/07 7,790 ND ND ND ND 7/18/07 4,800 NA NA NA NA 7/25/07 5,020 ND ND NA ND MW-31-49 26.3 11/27/06 298 ND 70 ND ND 1/18/07 1,200 ND ND NA ND 6/12/07 1,480 ND ND ND ND 8/2/07 11,900 ND 88.3 NA ND 9/11/07 6,980 ND ND NA ND 31-63 12.3 11/27/06 6,890 ND 199 ND ND 1/18/07 14,100 ND ND NA ND 6/12/07 5,000 ND ND ND ND 8/2/07 40,600 ND ND NA ND 9/11/07 37,700 ND ND NA ND 31-85 -9.2 11/27/06 462 ND 152 ND ND 1/18/07 2,660 ND ND NA ND 6/12/07 317 ND ND ND ND 8/2/07 2,690 ND ND NA ND 9/11/07 4,320 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 1 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-32-62 15.3 1/19/07 7,670 ND ND NA ND 6/28/07 24,000 ND ND NA ND 8/13/07 14,200 ND ND NA ND 32-92 -15.2 1/19/07 11,200 ND ND NA ND 6/28/07 5,420 ND ND NA ND 8/13/07 5,700 ND ND NA ND 32-140 -62.7 1/19/07 11,300 ND ND NA ND 6/28/07 302 ND ND NA ND 8/13/07 ND ND ND NA ND 32-1604 -82.7 1/19/07 10,500 ND NA NA NA 32-165 -87.7 6/28/07 581 ND ND NA ND 8/13/07 493 ND ND NA ND 32-196 -118.0 1/19/07 11,300 ND ND NA ND 6/28/07 2,410 ND ND NA ND 8/13/07 1,720 ND ND NA ND MW-33 -0.35 12/15/05 142,000 NA NA NA NA 12/19/05 199,000 NA NA NA NA 12/29/05 220,000 NA NA NA NA 1/6/06 189,000 NA NA NA NA 1/13/06 232,000 NA NA NA NA 1/20/06 226,000 NA NA NA NA 1/27/06 242,000 NA NA NA NA 2/3/06 250,000 NA NA NA NA 2/7/06 214,000 ND NA NA NA 2/16/06 261,000 NA NA NA NA 3/3/06 253,000 NA NA NA NA 4/7/06 221,000 NA NA NA NA 5/17/06 135,000 ND ND NA ND 6/7/06 141,000 0.7 ND NA ND 7/3/06 264,000 ND ND NA ND 8/4/06 184,000 NA ND NA ND 8/30/06 115,000 NA ND NA ND 2.95 6/15/07 90,600 ND ND ND ND 8/3/07 23,000 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 2 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-34 -0.38 12/13/05 63,900 NA NA NA NA 12/19/05 121,000 NA NA NA NA 12/29/05 147,000 NA NA NA NA 1/6/06 159,000 NA NA NA NA 1/13/06 131,000 NA NA NA NA 1/20/06 211,000 NA NA NA NA 1/27/06 212,000 NA NA NA NA 2/3/06 224,000 NA NA NA NA 2/7/06 174,000 ND NA NA NA 2/16/06 199,000 NA NA NA NA 3/3/06 230,000 NA NA NA NA 4/7/06 276,000 NA NA NA NA 5/17/06 36,400 ND ND NA ND 6/26/06 10,500 ND ND NA ND 7/26/06 40,700 ND ND NA ND 8/24/06 66,900 NA ND NA ND 9/21/06 16,100 ND ND NA ND 2.05 8/3/07 22,200 ND ND NA ND MW-35 -0.4 12/13/05 42,300 NA NA NA NA 12/19/05 76,000 NA NA NA NA 12/29/05 80,500 NA NA NA NA 1/6/06 95,400 NA NA NA NA 1/13/06 97,800 NA NA NA NA 1/20/06 104,000 NA NA NA NA 1/27/06 38,700 NA NA NA NA 2/3/06 51,400 NA NA NA NA 2/7/06 84,400 ND NA NA NA 2/16/06 90,400 NA NA NA NA 3/3/06 119,000 NA NA NA NA 4/7/06 56,200 NA NA NA NA 5/17/06 40,700 ND ND NA ND 6/26/06 17,400 ND ND NA ND 9/21/06 45,300 ND ND NA ND 3.65 6/15/07 2,030 ND 46.6 ND ND 8/3/07 5,950 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 3 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-36-24 -4.3 2/7/06 NA 1.3 NA NA NA 2/27/06 30,400 NA NA NA NA 3/23/06 34,200 1.0 ND 64.1 ND 4/5/06 NA 1.6 NA NA NA 6/5/06 202 ND ND NA ND 8/28/06 245 NA ND NA ND 6/27/07 ND ND ND NA ND 8/8/07 ND ND ND ND ND MW-36-41 -25.2 2/10/06 47,500 NA NA NA NA 2/27/06 45,800 NA NA NA NA 3/24/06 55,200 3.5 ND 48.7 ND 4/5/06 NA 3.5 NA NA NA 6/5/06 20,500 2.3 ND NA ND 8/28/06 20,100 NA ND NA ND

-25.25 6/27/07 6,110 2.2 ND NA ND MW-36-52 -37.9 2/10/06 22,400 NA NA NA NA 2/27/06 25,700 NA NA NA NA 3/24/06 26,800 4.1 ND ND ND 4/5/06 NA 5.0 NA NA NA 6/5/06 24,000 4.4 ND NA ND 8/28/06 14,100 NA ND NA ND 6/27/07 10,100 2.6 ND NA ND

-38.25 8/8/07 12,500 2.3 ND ND ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 4 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-37-22 -1.5 2/24/06 10,700 NA NA NA NA 2/28/06 12,800 2.4 ND 42.4 ND 3/10/06 23,200 4.7 ND 20.8 ND 3/27/06 34,900 4.1 ND 54.3 ND 6/27/06 10,500 9.6 ND NA ND 9/29/06 7,370 14.2 ND NA ND

-2.05 6/27/07 4,050 14.9 ND NA ND 8/7/07 2,790 18.3 ND NA ND MW-37-32 -14.8 2/24/06 30,100 NA NA NA NA 2/28/06 28,600 18.2 ND 34.1 ND 3/10/06 28,300 15.2 ND ND ND 3/27/06 13,900 19.5 ND ND ND 6/27/06 7,920 29.8 ND NA ND 9/29/06 11,500 15.3 ND NA ND

-14.05 6/27/07 3,130 18.5 ND NA ND 8/7/07 3,810 18.9 ND NA ND MW-37-40 -24.2 2/24/06 16,800 NA NA NA NA 2/28/06 14,700 4.9 ND 56.5 ND 3/10/06 17,000 13.5 ND ND ND 3/27/06 15,600 11.1 ND ND ND

-24.05 6/27/07 14,200 24.4 ND NA ND 8/7/07 5,850 9.8 ND NA ND MW-37-57 -38.2 2/24/06 16,000 NA NA NA NA 2/28/06 13,300 22.7 ND 29.1 ND 3/10/06 19,100 22.9 ND ND ND 3/27/06 15,900 16.5 ND ND ND 6/27/06 44,800 27.3 ND NA ND 9/29/06 10,500 18.1 ND NA ND

-40.05 6/27/07 5,890 24.2 ND NA ND 8/7/07 6,680 23.3 ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-38 -11.1 12/8/05 985 ND ND NA ND 12/30/05 ND NA ND NA ND 1/10/06 1,010 NA ND NA ND 1/19/06 758 NA ND NA ND 1/25/06 1,440 NA ND NA ND 2/1/06 ND NA ND NA ND 2/8/06 ND ND ND NA ND 2/16/06 ND NA ND NA ND 2/23/06 2,630 NA ND NA ND 3/3/06 ND NA ND NA ND 5/22/06 759 ND ND NA ND 6/21/06 916 ND ND ND ND 7/6/06 593 ND ND NA ND 8/7/06 215 ND ND ND ND 9/5/06 353 ND ND NA ND 11/22/06 ND ND ND NA ND 2/12/07 2,240 ND 2.7 NA ND 8/16/07 604 ND ND NA ND MW-39-67 12.7 5/22/07 473 2.8 ND ND ND 8/7/07 325 4.8 ND NA ND 39-84 -3.8 5/22/07 591 1.7 ND ND ND 8/7/07 252 0.8 ND NA ND 39-102 -21.8 5/22/07 805 1.3 ND ND ND 8/7/07 321 ND ND NA ND 39-124 -44.3 5/22/07 261 ND ND ND ND 8/7/07 192 ND ND NA ND 39-183 -102.8 5/22/07 247 ND ND ND ND 8/7/07 ND ND ND NA ND 39-195 -115.3 5/22/07 255 1.3 ND ND ND 8/7/07 200 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-40-27 48.7 6/5/07 ND ND ND NA ND 7/23/07 ND ND ND NA ND 40-46 26.7 6/5/07 ND ND ND NA ND 7/23/07 ND ND ND NA ND 40-81 -7.8 6/5/07 ND ND ND NA ND 7/23/07 ND ND ND NA ND 40-100 -27.3 6/5/07 176 ND ND NA ND 7/23/07 ND ND ND NA ND 40-127 -54.3 6/5/07 187 ND ND NA ND 7/23/07 ND ND ND NA ND 40-162 -88.8 6/5/07 ND ND ND NA ND 7/23/07 ND ND ND NA ND MW-41-40 20.5 4/12/06 726 2.6 ND NA ND 5/25/06 607 5.2 ND NA ND 6/12/06 676 3.6 ND NA ND 7/14/06 983 7.0 ND NA ND 8/16/06 447 NA ND NA ND 11/13/06 425 4.6 ND ND ND 18.95 6/19/07 3,910 6.0 ND ND ND 8/14/07 380 6.0 ND NA ND 41-63 -4.6 4/12/06 701 5.5 ND NA ND 5/25/06 361 5.2 ND NA ND 6/12/06 268 0.8 ND NA ND 7/18/06 243 2.2 ND NA ND 8/16/06 356 NA ND NA ND 11/13/06 157 2.1 ND ND ND

-6.15 6/20/07 552 7.1 ND ND ND 8/14/07 547 3.6 ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 7 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-42-416 28.7 3/31/06 5,400 NA 6,890 NA NA 4/7/06 2,880 95.9 48,900 3,190 56.2 7/21/06 3,580 13 8,290 NA ND 9/18/06 1,840 NA 17,700 NA ND 11/17/06 2,260 10 6,950 131 ND 42-436 26.7 3/31/06 4,870 NA 6,950 NA NA 4/7/06 2,370 93.5 50,000 3,600 40.2 7/21/06 3,050 12.8 8,890 NA ND 9/18/06 1,280 NA 22,600 NA ND 11/16/06 2,650 14.9 8,620 228 3.2 42-466 24.2 3/31/06 4,830 NA 8,620 NA NA 4/7/06 2,510 110 47,300 4,730 ND 7/21/06 2,320 10.9 7,860 NA ND 9/15/06 1,100 NA 22,600 NA ND 11/16/06 2,310 11.4 7,250 249 ND 42-486 21.7 3/31/06 4,600 NA 7,250 NA NA 4/7/06 3,980 73.7 53,100 5,120 ND 7/20/06 2,800 15.2 9,330 NA ND 9/15/06 621 NA 38,900 NA 65.3 11/16/06 1,980 10.6 6,920 207 ND MW-42-49 27.1 3/23/06 2,630 51.9 102,000 NA 194 3/31/06 2,490 21.0 6,550 NA ND 4/7/06 2,510 109 81,100 2,220 88.1 23.7 5 6/18/07 1,340 77.3 19,000 1,030 ND 8/2/07 1,500 50.2 24,800 805 ND 8/17/07 1,600 20.1 19,600 526 ND 42-78 -4.3 3/24/06 1,280 ND 4,460 NA ND 4/7/06 792 ND 1,980 36.6 ND

-4.3 5 6/18/07 378 ND 62.8 ND ND 7/27/07 319 ND ND ND ND 8/17/07 461 ND 45.1 ND ND MW-43-28 25.3 4/12/06 346 ND ND NA ND 5/25/06 ND 2.7 ND NA ND 6/12/06 230 ND ND NA ND 7/12/06 ND ND ND NA ND 8/16/06 260 NA ND NA ND 25.8 5 6/18/07 278 1.1 ND ND ND 8/13/07 ND ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 8 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L 43-62 -2.2 4/12/06 200 ND ND NA ND 5/25/06 ND ND ND NA ND 6/12/06 ND 1.3 ND NA ND 7/12/06 ND ND ND NA ND 8/16/06 ND NA ND NA ND

-5.25 6/19/07 ND 0.9 ND ND ND 8/13/07 ND ND ND NA ND MW-44-67 31.1 3/28/06 338 ND ND NA ND 5/24/06 237 0.7 ND NA ND 7/20/06 892 ND 35.4 NA ND 30.55 6/29/07 268 ND ND NA ND 8/14/07 417 ND ND NA ND 44-102 2.5 6/13/06 253 ND ND NA ND 7/20/06 316 ND ND NA ND 8/4/06 761 NA ND NA ND 9/13/06 267 NA ND NA ND 13.55 6/19/07 298 ND ND ND ND 8/14/07 284 ND ND NA ND MW-45-42 19.2 4/4/06 518 0.9 ND NA ND 5/25/06 1,820 ND ND NA ND 6/12/06 2,270 1.0 ND NA ND 7/14/06 419 ND ND NA ND 8/11/06 3,160 NA ND NA ND 9/13/06 4,150 NA ND NA ND 11/13/06 525 ND ND ND ND 16.75 6/21/07 2,320 ND ND ND ND 8/15/07 1,160 ND ND NA ND 45-61 -4.1 4/4/06 298 ND ND NA ND 5/25/06 1,710 ND ND NA ND 6/12/06 1,020 ND ND NA ND 7/20/06 372 ND ND NA ND 8/11/06 1,350 NA ND NA ND 9/13/06 1,450 NA ND NA ND 11/13/06 957 1.7 ND ND ND

-4.35 6/21/07 1,470 ND ND ND ND 8/15/07 1,500 ND ND NA ND MW-46 0.0 4/12/06 1,380 0.6 ND NA ND 5/24/06 623 ND ND NA ND 6/13/06 ND ND ND NA ND 7/12/06 786 ND ND NA ND 8/4/06 1,150 NA ND NA ND 9/13/06 1,470 NA ND NA ND 7.65 6/14/07 3,430 ND ND ND ND 8/1/07 662 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 9 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-47-56 17.1 4/13/06 760 2.3 ND NA ND 7/18/06 ND ND ND NA ND 18.35 6/20/07 529 0.6 ND ND ND 8/10/07 270 ND ND NA ND 47-80 -3.7 4/13/06 2,330 2.7 ND NA ND 7/18/06 1,870 2.9 ND NA ND

-1.75 6/19/07 2,360 3.3 ND ND ND 8/10/07 3,510 3.6 ND NA ND MW-48-23 -5.0 2/8/06 ND ND ND NA ND 4/12/06 ND ND ND NA ND 4/27/06 238 ND ND NA ND 5/22/06 755 ND ND NA ND 6/9/06 737 ND ND ND ND 7/6/06 ND ND ND NA ND 8/8/06 ND ND ND NA ND 9/5/06 740 ND ND NA ND 11/22/06 ND ND ND NA ND 2/9/07 272 ND ND NA ND 8/16/07 393 ND ND NA ND 48-37 -20.6 2/10/06 ND NA ND NA ND 4/12/06 ND ND ND NA ND 4/27/06 ND ND ND NA ND 5/22/06 ND ND ND NA ND 6/9/06 ND 2.1 ND ND ND 7/6/06 ND ND ND NA ND 8/8/06 ND ND ND NA ND 9/5/06 573 ND ND NA ND 11/22/06 ND ND ND NA ND 2/9/07 ND ND ND NA ND 8/16/07 ND ND ND NA ND MW-49-26 -4.4 3/22/06 15,400 18.4 ND NA ND 5/19/06 14,200 9.0 ND NA ND 6/6/06 14,000 14.1 ND NA ND 7/7/06 10,000 12.6 ND NA ND 8/1/06 13,700 NA ND 36.7 ND 8/28/06 11,000 NA ND NA ND 11/15/06 6,390 15.5 ND ND ND

-5.4 5 6/26/07 7,760 12.7 ND ND ND 8/9/07 6,720 14.3 ND ND ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 10 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L 49-42 -23.4 3/22/06 11,300 19.4 ND NA ND 5/19/06 9,390 12.0 ND NA ND 6/6/06 8,280 16.3 ND NA ND 7/7/06 5,850 19.2 ND NA ND 8/1/06 8,800 NA ND ND ND 8/28/06 8,690 NA ND NA ND 11/15/06 6,190 21.1 ND ND ND

-22.4 5 6/26/07 4,440 20.8 ND ND ND 8/9/07 4,300 25.6 ND ND ND 49-65 -45.4 3/22/06 5,430 18.5 ND NA ND 5/19/06 5,750 11.3 ND NA ND 6/6/06 4,320 17.2 ND NA ND 7/7/06 4,630 15.6 ND NA ND 8/1/06 5,760 NA ND ND ND 8/28/06 5,540 NA ND NA ND 11/15/06 3,040 19.2 ND ND ND

-46.45 6/26/07 2,620 15.8 ND ND ND 8/9/07 2,410 20.8 ND ND ND MW-50-42 -27.1 3/22/06 9,750 19.3 ND ND ND 5/19/06 4,590 19.5 ND NA ND 6/7/06 479 3.9 ND NA ND 7/3/06 398 3.5 ND NA ND 8/1/06 1,410 NA ND ND ND 8/28/06 311 NA ND NA ND 11/15/06 1,700 11.3 7.2 ND ND

-12.15 6/26/07 215 11.6 ND ND ND 7/26/07 ND 19.4 ND ND ND 50-66 -52.1 3/22/06 6,810 25.5 ND ND ND 5/19/06 10,800 19.5 ND NA ND 6/7/06 10,500 19.8 ND NA ND 7/3/06 8,620 25.3 ND NA ND 8/1/06 7,930 NA ND ND ND 8/28/06 6,770 NA ND NA ND 11/15/06 5,050 21.5 ND ND ND

-45.15 6/26/07 4,210 29.3 ND ND ND 7/26/07 4,500 31.0 ND ND ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 11 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-51-40 27.8 5/30/07 198 ND ND NA ND 7/24/07 223 ND ND NA ND 51-79 -11.2 5/30/07 ND ND ND NA ND 7/24/07 ND ND ND NA ND 51-104 -34.7 5/30/07 ND ND ND NA ND 7/24/07 ND ND ND NA ND 51-135 -67.7 5/30/07 ND ND ND NA ND 7/24/07 ND ND ND NA ND 51-163 -95.2 5/30/07 ND ND ND NA ND 7/24/07 ND ND ND NA ND 51-189 -121.7 5/30/07 187 ND ND NA ND 7/24/07 ND ND ND NA ND MW-52-11 5.2 6/20/07 ND ND ND ND ND 8/6/07 ND ND ND NA ND 52-18 -1.5 5/24/07 ND ND ND ND ND 8/6/07 ND ND ND NA ND 52-48 -32.0 5/24/07 ND ND ND ND ND 8/6/07 ND ND ND NA ND 52-64 -48.0 5/24/07 ND ND ND ND ND 8/6/07 ND ND ND NA ND 52-122 -106.0 5/24/07 ND ND ND ND ND 8/6/07 ND ND ND NA ND 52-162 -145.5 5/24/07 282 ND ND ND ND 8/6/07 211 ND ND NA ND 52-181 -165.0 5/24/07 248 ND ND ND ND 8/6/07 ND ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 12 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-53-82 -2.4 8/23/06 13,200 6.7 ND ND ND 11/9/06 454 ND ND ND ND

-4.75 6/22/07 8,680 4.0 ND ND ND 8/9/07 776 ND ND ND ND 53-120 -39.5 8/30/06 4,420 NA ND NA ND 11/9/06 7,900 24.7 ND 27.1 ND

-34.75 6/22/07 9,610 35.7 7.9 17.3 ND 8/9/07 8,050 37.0 ND ND ND MW-54-37 -23.7 5/3/07 801 12.5 ND ND ND 7/31/07 888 5.3 ND ND ND 54-58 -44.7 5/3/07 760 2.2 ND ND ND 7/31/07 693 1.8 ND ND ND 54-123 -110.2 5/3/07 1,110 21.9 4.21 ND ND 7/31/07 963 13.5 ND ND ND 54-144 -131.2 5/3/07 1,340 16.1 ND ND ND 7/31/07 1,890 19.2 ND ND ND 54-173 -159.7 5/3/07 1,900 20.9 ND ND ND 7/31/07 2,080 14.5 ND ND ND 54-190 -177.2 5/3/07 1,870 19.5 ND ND ND 7/31/07 2,250 17.9 ND ND ND MW-55-24 -0.8 11/9/06 2,000 16.6 ND ND ND 2.35 6/28/07 3,080 32.5 ND NA ND 8/2/07 2,710 23.1 ND ND ND 55-35 -14.2 11/9/06 9,040 40.4 ND ND ND

-13.85 6/28/07 3,090 32.5 ND NA ND 8/2/07 3,680 34.0 ND ND ND 55-54 -30.8 11/9/06 13,100 22.8 ND ND ND

-28.85 6/28/07 10,400 24.7 ND NA ND 8/2/07 9,910 22.2 ND ND ND MW-56-53 17.8 1/4/07 780 ND 13.6 ND ND 18.35 6/26/07 289 ND ND ND ND 8/10/07 216 ND ND NA ND 56-83 -5.5 9/8/06 540 2.7 ND NA ND 11/9/06 165 ND ND ND ND 1/4/07 1,280 2.3 11.8 ND ND

-3.75 6/22/07 1,850 1.9 ND ND ND 8/10/07 1,490 2.4 ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 13 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-57-11 5.05 6/22/07 4,610 45.5 ND 22.4 ND 8/6/07 4,090 37.9 ND ND ND 57-20 -4.05 6/22/07 1,650 2.0 ND ND ND 8/6/07 966 1.2 ND ND ND 57-45 -25.05 8/24/06 4,060 18.8 ND ND ND 6/22/07 955 1.9 ND ND ND 8/6/07 740 2.6 ND ND ND MW-58-26 -7.0 11/16/06 ND ND 72.7 ND ND 1/5/07 260 ND ND ND ND

-5.45 6/21/07 597 1.0 ND ND ND 7/31/07 856 1.0 ND NA ND 58-65 -43.0 11/16/06 ND ND ND ND ND 1/5/07 550 ND ND ND ND

-39.45 6/21/07 315 ND ND ND ND 7/31/07 342 ND ND NA ND MW-59-32 -11.7 11/16/06 ND ND ND ND ND 1/5/07 ND ND ND ND ND

-12.55 6/21/07 467 ND ND ND ND 7/31/07 169 ND ND NA ND 59-45 -25.9 11/16/06 ND ND 37.4 ND ND 1/5/07 ND ND 149 ND ND

-27.55 6/21/07 754 ND ND ND ND 7/31/07 249 ND ND NA ND 59-68 -46.1 11/16/06 ND ND 115 ND ND 1/5/07 ND ND 67.6 ND ND

-43.55 6/21/07 590 ND ND ND ND 7/31/07 819 ND ND NA ND MW-60-35 -22.7 5/8/07 ND ND ND ND ND 7/27/07 761 ND ND NA ND 60-53 -41.7 5/8/07 ND ND ND ND ND 7/27/07 ND ND ND NA ND 60-72 -60.2 5/8/07 ND ND ND ND ND 7/27/07 ND ND ND NA ND 60-135 -122.7 5/8/07 ND ND ND ND ND 7/27/07 392 ND ND NA ND 60-154 -142.2 5/8/07 ND ND ND ND ND 7/27/07 462 ND ND NA ND 60-176 -163.7 5/8/07 530 ND ND ND ND 7/27/07 849 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 14 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-62-18 -1.8 5/17/07 452 ND ND ND ND 7/26/07 508 ND ND NA ND 62-37 -33.5 5/17/07 297 ND ND ND ND 7/26/07 250 ND ND NA ND 62-53 -40.5 5/10/07 393 ND ND ND ND 7/26/07 345 ND ND NA ND 62-71 -58.5 5/10/07 502 ND ND ND ND 7/26/07 ND ND ND NA ND 62-92 -79.0 5/10/07 700 ND ND ND ND 7/26/07 437 ND ND NA ND 62-138 -125.5 5/10/07 455 0.8 ND ND ND 7/26/07 538 ND ND NA ND 62-182 -169.5 5/10/07 541 ND ND ND ND 7/26/07 417 ND ND NA ND MW-63-18 0.6 5/18/07 230 ND ND ND ND 7/30/07 200 ND ND NA ND 63-34 -30.6 5/18/07 228 ND ND ND ND 7/30/07 280 ND ND NA ND 63-50 -37.4 5/15/07 326 ND ND ND ND 7/25/07 225 ND ND NA ND 63-93 -80.9 5/15/07 281 ND ND ND ND 7/25/07 237 ND ND NA ND 63-112 -99.4 5/15/07 424 ND ND ND ND 7/25/07 269 ND ND NA ND 63-121 -108.9 5/15/07 311 ND ND ND ND 7/25/07 296 ND ND NA ND 63-163 -150.4 5/15/07 578 ND ND ND ND 7/25/07 479 ND ND NA ND 63-174 -161.9 5/15/07 593 ND ND ND ND 7/25/07 528 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 15 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-65-48 26.4 1/4/07 208 ND ND ND ND 65-80 -1.7 9/8/06 ND ND ND NA ND 1/4/07 183 ND ND ND ND MW-66-21 0.0 7/30/07 3,570 1.8 ND NA ND 66-36 -19.5 7/30/07 9,100 6.2 ND NA ND MW-67-39 -29.5 8/31/07 4,860 18.6 ND NA ND 67-105 -88.5 8/31/07 1,860 1.1 ND NA ND 67-173 -164.5 8/31/07 1,050 ND ND NA ND 67-219 -207.5 8/31/07 1,250 ND ND NA ND 67-276 -254.0 8/31/07 679 ND ND NA ND 67-323 -311.0 8/31/07 313 ND ND NA ND 67-340 -329.5 8/31/07 369 ND ND NA ND MW-101 124.4 12/8/05 ND ND ND NA ND 6/8/06 ND ND ND NA ND MW-103 125.1 6/8/06 170 ND ND NA ND MW-105 123.7 12/8/05 ND ND ND NA ND 6/8/06 ND ND ND NA ND MW-107 111.0 9/28/05 ND NA ND NA ND 12/8/05 ND ND ND NA ND 4/18/06 ND ND ND NA ND 6/6/06 ND ND ND NA ND 110.15 7/23/07 ND ND ND NA ND MW-108 6.2 9/29/05 ND NA ND NA ND 11/3/05 ND NA ND NA ND 5/13/06 278 ND ND NA ND MW-109 6.1 9/29/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 5/13/06 339 ND ND NA ND MW-110 113.6 6/8/06 225 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 16 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L MW-111 4.8 9/29/05 212,000 NA ND NA ND 10/14/05 6,810 NA NA NA NA 10/21/05 284,000 NA NA NA NA 10/28/05 218,000 NA NA NA NA 11/4/05 302,000 NA NA NA NA 11/22/05 180,000 NA NA NA NA 12/2/05 125,000 NA NA NA NA 12/8/05 271,000 NA NA NA NA 12/15/05 296,000 NA NA NA NA 12/19/05 192,000 NA NA NA NA 12/29/05 212,000 NA NA NA NA 1/6/06 113,000 NA NA NA NA 1/13/06 199,000 NA NA NA NA 1/20/06 119,000 NA NA NA NA 1/27/06 5,780 NA NA NA NA 2/3/06 295,000 NA NA NA NA 2/7/06 238,000 1.2 NA NA NA 2/16/06 294,000 NA NA NA NA 3/3/06 236,000 NA NA NA NA 4/7/06 145,000 NA NA NA NA 5/17/06 43,100 2.5 ND NA ND 6/23/06 262,000 ND ND NA ND 9/21/06 159,000 ND ND NA ND 2.45 6/15/07 119,000 1.0 ND ND ND 8/3/07 98,800 1.0 ND NA ND MW-112 120.8 6/8/06 ND ND ND NA ND RW-1 -30.0 10/25/06 11:37 64,100 ND ND NA ND 10/25/06 14:15 29,500 ND ND NA ND 10/31/06 12:27 107,000 ND ND NA ND 10/31/06 15:55 26,300 ND ND NA ND 10/31/06 20:00 18,900 ND ND NA ND 11/1/06 12:00 18,400 ND ND NA ND 11/2/06 12:00 24,000 ND ND NA ND 11/3/06 9:00 30,600 ND ND NA ND I2 48.0 5/13/06 ND ND ND NA NA J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 17 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L U3-1 -0.7 10/6/05 417 NA ND NA ND 10/21/05 ND NA ND NA ND 10/28/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 11/10/05 ND NA ND NA ND 11/18/05 ND NA ND NA ND 12/2/05 ND NA ND NA ND 12/15/05 ND NA ND NA ND 12/30/05 ND NA ND NA ND 1/12/06 744 NA ND NA ND 2/15/06 ND NA NA NA NA 3/16/06 763 ND ND NA ND 6/22/06 755 ND ND NA ND U3-2 2.4 10/6/05 960 NA ND NA ND 10/21/05 ND NA ND NA ND 10/28/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 11/10/05 ND NA ND NA ND 11/18/05 ND NA ND NA ND 12/2/05 ND NA ND NA ND 12/15/05 ND NA ND NA ND 12/28/05 ND NA ND NA ND 1/12/06 ND NA ND NA ND 2/15/06 ND NA NA NA NA 3/16/06 282 ND ND NA ND 6/22/06 197 1.4 ND NA ND U3-3 4.2 10/6/05 439 NA ND NA ND 10/21/05 ND NA ND NA ND 10/28/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 11/10/05 471 NA ND NA ND 11/18/05 ND NA ND NA ND 12/2/05 ND NA ND NA ND 12/15/05 ND NA ND NA ND 12/30/05 ND NA ND NA ND 1/13/06 ND NA ND NA ND 2/15/06 ND NA NA NA NA 3/16/06 263 ND ND NA ND 6/22/06 179 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 18 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L U3-4D -14.7 10/16/05 ND NA ND NA ND 10/21/05 ND NA ND NA ND 10/28/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 11/10/05 ND NA ND NA ND 11/18/05 ND NA ND NA ND 11/22/05 ND NA NA NA NA 12/2/05 ND NA ND NA ND 12/15/05 ND NA ND NA ND 12/30/05 ND NA ND NA ND 1/12/06 573 NA ND NA ND 2/15/06 ND NA NA NA NA 4/26/06 575 ND ND NA ND 6/22/06 710 ND ND NA ND U3-T1 3.2 10/7/05 1,590 NA ND NA ND 10/21/05 ND NA ND NA ND 10/28/05 ND NA ND NA ND 11/4/05 ND NA ND NA ND 11/10/05 563 NA ND NA ND 11/18/05 ND NA ND NA ND 12/2/05 498 NA ND NA ND 12/15/05 ND NA ND NA ND 12/30/05 529 NA ND NA ND 1/12/06 787 NA ND NA ND 2/15/06 ND NA NA NA NA 3/16/06 1,260 ND ND NA ND 5/26/06 732 1.3 ND NA ND 7/12/06 684 ND ND NA ND 8/15/06 766 ND ND NA ND 2.55 6/12/07 506 ND ND ND ND 8/1/07 490 ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

IP tables for updates.xls; Table 5.1 GW ANALYTICAL Page 19 of 21 See Page 21 for Notes

TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L U3-T2 2.9 10/7/05 703 NA ND NA ND 10/21/05 1,470 NA ND NA ND 10/28/05 1,280 NA ND NA ND 11/4/05 1,190 NA ND NA ND 11/10/05 1,640 NA ND NA ND 11/18/05 1,130 NA ND NA ND 12/2/05 1,330 NA ND NA ND 12/15/05 1,290 NA ND NA ND 12/30/05 1,690 NA ND NA ND 1/6/06 2,420 NA ND NA ND 1/13/06 1,780 NA ND NA ND 1/20/06 1,750 NA ND NA ND 1/25/06 2,320 NA ND NA ND 2/1/06 2,130 NA ND NA ND 2/17/06 ND NA NA NA NA 3/16/06 1,690 ND ND NA ND 5/26/06 1,900 1.5 ND NA ND 7/12/06 1,830 ND ND NA ND 8/15/06 1,580 NA ND NA ND 2.55 6/12/07 1,450 ND ND ND ND 8/1/07 1,250 ND ND NA ND U1-CSS 6.1 1/30/07 1,760 19.5 ND ND ND 2/27/07 4,320 13.8 ND ND ND 6/13/07 1,530 14.5 ND ND ND 8/6/07 2,800 26.8 ND NA ND LAF-1 38.3 12/6/05 ND NA ND NA ND 6/6/06 ND ND ND ND ND 9/19/06 ND ND ND NA ND 12/4/06 ND ND ND ND ND 3/7/07 ND ND ND ND ND 6/7/07 ND 1.1 ND NA ND 9/10/07 ND ND ND NA ND LAF-2 -22.3 6/6/06 ND ND ND ND ND 9/19/06 ND ND ND NA ND 12/4/06 ND ND NA ND ND 3/7/07 ND ND ND NA ND 6/7/07 ND ND ND NA ND J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 5.1 GROUNDWATER ANALYTICAL DATA INDIAN POINT ENERGY CENTER BUCHANAN, NY SAMPLE ZONE 1 SAMPLE ANALYSIS RESULTS Well ID CENTER COLLECTION H-3 Sr-90 Cs-137 Ni-63 Co-60 ELEVATION, FT DATE pCi/L pCi/L pCi/L pCi/L pCi/L LAF-3 46.5 12/6/05 ND NA ND NA ND 6/6/06 ND ND ND ND ND 9/19/06 ND ND ND NA ND 12/4/06 ND ND ND ND ND 3/7/07 ND ND ND NA ND 6/7/07 ND ND ND NA ND 9/10/07 ND ND ND NA ND well screen in unconsolidated deposit {soil backfill/natural soil}

well screen in consolidated {bedrock}

NOTES:

All elevations are above NGVD29.

1. Either the center of the screen/sampling ports (wells) or the midpoint of submerged part (open holes).
2. ND: Not detected above laboratory minimum detection limits
3. NA: Not Analyzed
4. Sampling port location changed since Feb. 07
5. Samples were taken using the low-flow sampling method at given elevations.
6. Suffix of Well ID displayed is representative of sampling depth within the screened well MW42-49.
7. This table contains data for completed well installations only.

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide 4

Tide5 day Tide6 Tide7 MW-30-69 11.8 - - 12.5 - - 11.8 - -

MW-30-84 12.8 - - 13.2 - - 11.7 - -

MW-31-49 44.1 - - 48.0 - - 39.1 - -

MW-31-63 41.6 - - 45.6 - - 38.1 - -

MW-31-85 39.6 - - 43.6 - - 36.9 - -

MW-32-62 42.8 - - 46.6 - - 38.4 - -

MW-32-92 10.3 - - 11.0 - - 10.3 - -

MW-32-140 13.1 - - 13.1 - - 12.4 - -

MW-32-165 8.2 - - 8.3 - - 7.6 - -

MW-32-196 6.7 - - 7.0 - - 6.3 - -

MW-33 10.1 - - 10.7 - - 9.1 - -

MW-34 9.9 - - 10.8 - - 9.1 - -

MW-35 10.0 - - 11.2 - - 9.4 - -

MW-36-24 8.9 - - 7.1 - - 7.0 - -

MW-36-41 8.4 8.5 8.2 7.2 7.2 7.2 7.1 7.2 7.1 MW-36-52 7.5 7.4 7.4 6.7 6.7 6.7 6.6 6.7 6.5 MW-37-22 5.4 5.48 5.51 4.9 5.1 4.7 4.1 4.2 3.9 MW-37-32 5.6 5.52 5.51 5.0 5.0 5.0 4.2 4.3 4.1 MW-37-40 5.4 - - 4.9 - - 4.1 - -

MW-37-57 7.2 7.17 7.07 6.2 6.2 6.1 5.4 5.5 5.3 MW-38 4.1 4.13 3.01 3.0 3.8 2.1 1.9 2.5 1.2 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 MW-39-67 24.9 - - 31.1 - - 24.1 - -

MW-39-84 24.7 - - 30.9 - - 23.9 - -

MW-39-100 25.0 - - 31.0 - - 24.0 - -

MW-39-124 24.0 - - 30.1 - - 23.1 - -

MW-39-183 18.6 - - 29.8 - - 22.8 - -

MW-39-195 22.7 - - 28.5 - - 21.5 - -

MW-40-24 59.4 - - 62.9 - - 58.6 - -

MW-40-46 58.1 - - 61.7 - - 57.4 - -

MW-40-81 55.0 - - 58.6 - - 54.3 - -

MW-40-100 53.1 - - 56.8 - - 52.5 - -

MW-40-127 52.4 - - 56.2 - - 51.9 - -

MW-40-162 49.4 - - 53.6 - - 49.3 - -

MW-41-13 DRY - - DRY - - DRY - -

MW-41-40 29.9 - - 34.5 - - 30.0 - -

MW-41-63 25.9 - - 31.5 - - 27.0 - -

MW-42-49 34.5 - - 34.9 - - 34 - -

MW-42-78 35.6 - - 36.0 - - 35 - -

MW-43-28 32.8 34.1 32.4 MW-43-62 30.9 - - 31.8 - - 31.3 - -

MW-44-67 33.4 - - 37.3 - - 33.1 - -

MW-44-102 23.1 - - 24.1 - - 19.9 - -

MW-45-42 26.4 - - 33.1 - - 26.3 - -

MW-45-61 25.7 - - 32.0 - - 25.2 - -

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 MW-46 12.8 - - 14.2 - - 11.7 - -

MW-47-56 21.8 - - 27.2 - - 21.4 - -

MW-47-80 22.3 - - 27.2 - - 21.4 - -

MW-48-23 1.5 2.26 -0.08 1.4 2.7 0.1 0.2 1.0 -0.8 MW-48-37 2.0 2.42 0.64 2.1 3.0 1.1 0.7 1.1 0.1 MW-49-26 1.6 1.47 1.04 1.4 2.3 0.4 0.6 1.1 0.1 MW-49-42 1.1 1.34 0.31 1.7 2.3 1.2 0.9 1.7 0.1 MW-49-65 1.5 1.37 0.89 1.8 2.2 1.5 1.0 1.6 0.6 MW-50-42 7.2 7.34 7.24 5.9 6.1 5.7 4.8 5.1 4.8 MW-50-66 4.4 4.46 3.71 3.9 4.3 3.5 2.8 3.3 2.2 MW-51-40 50.6 - - 53.3 - - 51.3 - -

MW-51-79 41.8 - - 45.6 - - 43.6 - -

MW-51-102 37.8 - - 39.7 - - 37.7 - -

MW-51-135 39.1 - - 41.3 - - 39.3 - -

MW-51-163 35.4 - - 37.0 - - 35.0 - -

MW-51-189 30.7 - - 32.1 - - 30.1 - -

MW-52-11 6.0 - - 6.4 - - 5.7 - -

MW-52-18 6.6 - - 6.7 6.7 6.7 6.0 6.0 6.0 MW-52-48 7.1 7.02 7.08 7.2 7.2 7.2 6.6 6.7 6.5 MW-52-64 6.0 6.0 6.0 6.1 6.1 6.1 5.2 5.2 5.2 MW-52-118 5.4 5.27 5.34 5.5 5.5 5.5 4.9 4.9 4.9 MW-52-122 5.3 5.20 5.25 5.3 5.3 5.3 4.8 4.8 4.8 MW-52-162 1.2 1.04 0.67 0.8 1.0 0.5 0.6 0.9 0.1 MW-52-181 0.9 0.82 0.41 0.6 0.8 0.3 0.3 0.6 -0.3 MW-53-82 9.8 - - 11.7 - - 8.7 - -

MW-53-120 9.9 - - 10.9 - - 7.9 - -

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 MW-54-37 7.7 7.61 7.52 9.7 9.8 9.6 5.3 5.4 5.1 MW-54-58 7.0 6.99 6.86 9.0 9.1 8.9 4.7 4.8 4.5 MW-54-123 6.0 5.96 5.69 7.9 8.1 7.7 3.6 3.8 3.3 MW-54-144 9.1 9.2 8.9 11.1 11.3 10.9 6.7 7.0 6.4 MW-54-173 5.5 5.46 5.17 7.4 7.6 7.3 3.0 3.3 2.7 MW-54-190 5.4 5.36 5.08 7.3 7.5 7.2 3.0 3.2 2.9 MW-55-24 8.6 8.6 8.6 8.2 8.3 8.1 6.7 6.7 6.6 MW-55-35 8.2 8.13 8.10 8.2 8.2 8.1 6.7 6.8 6.6 MW-55-54 8.6 8.52 8.47 7.9 7.9 7.9 6.4 6.5 6.4 MW-56-53 21.0 - - 26.0 - - 20.3 - -

MW-56-83 21.1 - - 24.4 - - 18.7 - -

MW-57-11 9.6 9.59 9.57 11.1 11.1 11.0 7.5 7.6 7.5 MW-57-20 9.4 9.40 9.38 10.8 10.8 10.8 7.2 7.2 7.2 MW-57-45 9.2 9.11 9.08 10.4 10.4 10.4 6.8 6.8 6.8 MW-58-26 8.2 8.04 8.03 8.3 8.4 8.2 4.9 5.0 4.8 MW-58-65 6.3 6.32 6.03 7.5 7.6 7.4 4.1 4.3 3.9 MW-59-32 1.8 1.46 1.06 1.6 2.1 0.9 1.7 2.0 0.9 MW-59-45 2.0 1.9 1.1 1.9 2.9 0.8 2.0 2.7 1.0 MW-59-68 4.2 4.53 2.91 2.3 2.9 1.4 3.4 4.4 2.3 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 MW-60-35 2.6 2.55 2.19 2.9 3.1 2.5 2.2 2.5 1.7 MW-60-53 0.3 0.45 -0.63 0.4 0.9 -0.2 -0.3 1.0 -1.2 MW-60-72 1.5 1.70 0.74 1.7 2.2 0.8 1.0 1.4 0.4 MW-60-135 1.7 1.89 0.94 1.9 2.3 1.4 1.2 1.9 0.4 MW-60-154 0.9 0.94 0.08 1.0 1.4 0.5 0.3 0.7 -0.1 MW-60-176 0.2 0.93 -0.48 0.7 1.4 0.1 0.0 0.7 -0.4 8

MW-62-18 1.2 2.2 0.3 NA NA MW-62-37 1.4 2.1 0.6 1.4 1.8 0.7 -0.2 0.1 -0.7 MW-62-53 1.5 1.15 0.95 1.6 2.0 0.9 0.9 1.2 0.5 MW-62-71 1.1 1.54 0.89 1.7 2.1 1.2 1.0 1.6 0.2 MW-62-92 1.3 1.84 1.07 2.0 2.3 1.5 1.3 1.9 1.2 MW-62-138 2.1 2.19 1.40 2.3 2.6 1.8 1.6 2.0 1.2 MW-62-181 1.9 2.07 1.33 2.2 2.7 1.6 1.5 1.9 1.1 MW-63-18 1.2 2.00 0.14 NA NA MW-63-34 1.3 2.03 0.51 NA NA MW-63-50 1.6 1.51 0.86 1.7 2.1 1.1 1.0 1.5 0.2 MW-63-91 2.0 1.91 1.16 2.0 2.3 1.5 1.3 1.8 0.4 MW-63-112 0.7 0.80 0.03 0.9 1.4 0.2 0.2 0.6 -0.4 MW-63-121 1.7 2.39 1.41 2.4 3.0 1.4 1.7 2.1 1.1 MW-63-163 1.4 1.47 0.70 1.6 1.9 1.4 0.9 1.4 0.3 MW-63-174 1.5 1.63 0.88 1.8 2.8 2.1 1.1 1.4 0.7 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 MW-65-48 28.2 - - 31.7 - - 29.9 - -

MW-65-80 28.5 - - 32.0 - - 30.2 - -

MW-66-21 1.0 1.6 0.3 NA NA MW-66-36 1.4 1.8 0.8 NA NA 9

MW-67-39 2.0 2.7 1.3 NA NA MW-67-105 2.8 3.5 2.1 NA NA MW-67-173 2.3 3.0 1.7 NA NA MW-67-219 2.4 3.0 1.8 NA NA MW-67-276 3.3 3.9 2.7 NA NA MW-67-323 2.2 2.7 1.6 NA NA MW-67-340 2.6 3.1 2.0 NA NA MW-107 116.8 - - 120.6 - - 117.4 - -

MW-108 9.6 - - 9.8 - - 7.2 - -

MW-109 9.5 - - 9.1 - - 4.7 - -

MW-111 9.6 - - 10.2 - - 8.2 - -

U3-1 4.5 4.54 4.20 4.3 4.5 4.1 3.5 3.5 3.5 U3-2 5.4 5.5 5.3 5.4 5.5 5.4 3.8 3.8 3.8 U3-3 8.4 7.5 7.5 8.0 - - 4.3 4.3 4.3 U3-4D 4.2 4.23 4.25 3.9 3.9 3.9 3.6 3.6 3.6 J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Tables\

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TABLE 6.1 GROUND WATER ELEVATIONS INDIAN POINT ENERGY CENTER BUCHANAN, NY RECENT GW EL. WET SEASON GW EL. DRY SEASON GW EL.

WELL ID 6/1/2007 3/28/2007 2/12/2007 Avg. of the at High at Low Avg. of the at High at Low Avg. of the at High at Low day1 Tide2 Tide3 day Tide4 Tide5 day Tide6 Tide7 U3-4S 4.3 4.28 3.91 3.9 4.0 3.7 3.0 3.0 3.0 U3-T1 4.5 4.45 4.51 4.5 4.6 4.3 3.6 3.6 3.6 U3-T2 4.5 4.47 4.33 4.5 4.6 4.3 3.6 3.6 3.6 I-2 50.2 - - 52.0 - - 48.7 - -

NOTES: Approximated levels from adjacent dates at the same lunar phase are given when data from specified date is unavailable.

well screen in unconsolidated deposit (soil backfill/natural soil) well screen in consolidated rock (bedrock)

All elevations are above NGVD29.

1. Average piezometric heads of the day.
2. Piezometric heads in tidal wells at first high tide of the day in the Hudson river, at 11:44 am.
3. Piezometric heads in tidal wells at first low tide of the day in the Hudson river, at 6:29 am.
4. Piezometric heads in tidal wells at first high tide of the day in the Hudson river, at 5:26 am.
5. Piezometric heads in tidal wells at first low tide of the day in the Hudson river, at 12:21 am.
6. Piezometric heads in tidal wells at first high tideof the day in the Hudson river, at 7:45 am.
7. Piezometric heads in tidal wells at first low tide of the day in the Hudson river, at 1:55 am.
8. Data not available; transducers installed after the specified dates.
9. MW-67 Waterloo system was installed on 8/27/07. The given piezometric heads are responses to the first low tide (at 5:50 am) and the first high tide (at 11:16am) on 8/28/07.

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