ML12089A587

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Entergy Pre-Filed Hearing Exhibit ENT00331N, Appendix J - Low Flow Sampling Log Through Appendix L - Hydrographs
ML12089A587
Person / Time
Site: Indian Point  Entergy icon.png
Issue date: 03/29/2012
From:
Entergy Nuclear Operations
To:
NRC/SECY
SECY RAS
Shared Package
ML12089A586 List:
References
RAS 22129, 50-247-LR, 50-286-LR, ASLBP 07-858-03-LR-BD01
Download: ML12089A587 (53)
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Text

ENT00331N Submitted: March 29, 2012 APPENDIX J - LOW FLOW SAMPLING LOGS

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/30/06 SAMPLER(S): S. Covelli WATER QUALITY:

Depth to Specific Dissolved pH Turbidity Rate Pump Time Water Conductivity Oxygen Temp (0C) ORP Notes (SU) (NTU) (mL/min) Depth (ft)

(ft) (uS/cm) (mg/l) 1455 65.00 start pump 1457 65.70 7.64 15.50 550 4.58 23.30 73 400 1503 65.80 7.67 10.00 550 4.72 23.80 98 400 83 1505 sample taken 1511 65.40 7.73 5.02 540 5.33 21.80 150 200 1517 65.60 7.71 4.71 550 4.82 21.80 93 400 78 1522 65.75 7.71 3.74 550 4.56 23.40 79 400 1523 sample taken 1528 66.00 7.71 37.30 540 3.31 24.20 94 300 1533 65.75 7.71 10.95 540 3.33 22.80 93 300 74 1538 65.80 7.71 11.10 540 2.93 23.60 86 300 1540 sample taken 1542 66.10 7.70 13.20 540 2.72 24.70 80 350 1547 65.90 7.71 12.50 540 2.62 24.30 83 350 72 1552 65.95 7.70 13.60 540 2.34 24.60 77 350 1555 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 2/7/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to Turbidity Rate Pump Time pH (SU) Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 1040 64.73 7.72 2.12 760 7.72 20.60 112 100 1103 65.83 7.86 0.90 750 11.17 24.20 192 100 1116 66.70 8.01 34.50 750 2.45 25.70 -151 200 1123 66.60 8.04 8.13 740 3.26 22.20 -129 100 72 1126

  • 8.03 6.63 750 ** ** ** **

1132

  • 8.01 3.47 750 2.30 23.80 -165 100 1137
  • 8.05 2.52 770 5.26 22.60 -165 150 NOTES AND OBSERVATIONS:
  • Depth to water readings discontinued due to difficulty maintaining low flow.
    • Pumping ceased before readings could be taken.

Samples were taken at 1140 hours0.0132 days <br />0.317 hours <br />0.00188 weeks <br />4.3377e-4 months <br />, 1145 hours0.0133 days <br />0.318 hours <br />0.00189 weeks <br />4.356725e-4 months <br />, and 1149 hours0.0133 days <br />0.319 hours <br />0.0019 weeks <br />4.371945e-4 months <br />.

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 3/10/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to Turbidity Rate Pump Time pH (SU) Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 1500 68.40 pump on 1507 68.90 6.91 1.87 / 8.99 22.50 272 400 flow achieved 1512 69.05 7.10 2.31 / 7.51 24.50 240 400 72 1515 69.10 7.20 2.46 / 6.94 25.40 229 400 1517 69.20 7.27 2.61 / 6.51 25.70 221 400 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 3/13/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 924 68.35 pump on 934 68.85 7.84 2.14 / 6.99 22.90 155 400 flow achieved 939 69.25 7.77 3.91 / 5.53 24.50 146 400 944 69.40 7.79 3.60 / 5.45 24.40 141 400 949 69.45 7.78 3.07 / 5.50 24.50 123 400 954 69.50 7.84 2.73 / 5.56 24.60 119 400 83 959 69.60 7.68 2.63 / 5.52 24.70 141 400 1004 69.70 7.49 2.47 / 5.54 24.80 147 400 1009 69.75 7.52 2.46 / 5.43 24.80 150 400 1013 sample taken 1022 69.85 7.62 3.20 / 4.53 24.70 135 350 1045 69.75 7.74 2.58 / 2.31 25.10 106 350 1050 69.77 7.75 3.42 / 2.17 25.20 102 350 78 1055 69.77 7.86 3.68 / 2.09 25.20 83 325 1100 69.74 7.76 3.73 / 1.96 25.20 94 325 1102 sample taken 1114 69.75 7.72 3.48 / 1.58 24.70 94 325 1120 69.75 7.69 3.82 / 1.55 24.90 97 325 1125 69.77 7.73 2.59 / 1.52 25.30 88 325 1132 69.75 7.97 3.77 / 1.39 25.60 68 325 74 1139 69.77 7.85 3.74 / 1.33 25.70 79 350 1144 69.78 7.83 3.67 / 1.32 25.90 67 350 1145 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 6/22/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 946 67.55 pump on 952 67.85 6.97 1.90 5.8 7.55 25.00 166 100 1003 68.01 6.71 1.50 4.6 5.96 25.70 126 650 1010 67.95 6.70 1.50 3.2 5.21 26.00 112 225 1021 68.11 6.69 1.50 2.9 5.20 26.40 111 175 83 1031 68.15 6.69 1.50 3.5 5.16 26.50 112 160 1047 68.21 6.68 1.50 5.2 4.99 26.70 112 100 1050 sample taken 1135 67.75 pump on 1139 68.12 6.91 1.40 1.2 7.74 26.70 149 150 1257 67.89 6.71 1.40 0 5.63 28.50 151 75 78 1306 67.97 6.71 1.40 0 5.38 27.70 148 90 1315 68.07 6.71 1.40 0 4.99 27.70 145 215 1320 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-30 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 6/23/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 836 67.67 pump on 842 68.15 6.71 1.40 2.1 5.13 25.20 176 215 850 68.22 6.61 1.40 1.9 4.51 26.30 139 190 901 68.19 6.78 1.40 0.9 4.37 28.10 125 175 913 68.26 6.75 1.40 1.9 4.14 28.50 123 160 74 931 68.37 6.75 1.30 6.4 3.88 29.20 107 190 948 68.39 6.75 1.30 18.8 3.73 29.40 100 230 956 68.45 6.74 1.30 26.9 3.66 29.40 92 200 1000 sample taken 1101 67.86 pump on 1105 68.52 6.71 1.30 0 4.34 26.10 112 600 1113 68.82 6.70 1.40 0 3.28 28.30 76 400 72 1247 69.00 6.74 1.30 0 3.23 29.60 67 325 1259 69.05 6.74 1.30 0 3.23 29.60 69 300 1303 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-30-74 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 8/18/2006 WEATHER: overcast, low 80's SAMPLER(S): S. Kline / S. Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= (4 x 0.653) - (4 x 0.163)

Well Volume (V) = 1.96 (Gallons)

TOTAL VOLUME PURGED: well diameter multiplier Design = 2.94 (gallons) 2 0.163 Actual = 6 (gallons) 4 0.653 PURGE RATE: variable (gal / min) 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 71.2-75.2 WATER QUALITY:

Elapsed Purged Depth to Specific Dissolved Drive pH Turbidity Temp Drive/Vent Time Time Volume Water Conductivity Oxygen ORP Pressure (SU) (NTU) (0C) (seconds)

(min) (gal) (ft) (mS/cm) (mg/l) (psi) 1013 0 0.00 67.62 21.3 1030 0 0.00 pump on 1053 23 0.25 67.77 7.97 40.6 31 9.9 21.3 210 12/24 23 1109 39 0.50 67.79 8.06 43.3 21 10.0 21.4 202 12/18 23 1115 45 0.60 67.8 8.01 52.6 21 9.7 21.3 189 12/18 23 1122 52 0.75 67.81 8.08 39.1 14 9.9 21.3 193 12/18 23 1129 59 0.85 67.84 8.09 38.1 25 9.9 21.3 190 12/12 30 1138 68 1.00 67.82 8.10 37.5 33 10.0 21.3 176 12/12 30 1154 84 1.25 67.83 8.06 58.2 17 9.8 21.3 204 6/24 32 1320 170 3.50 68.12 7.92 90.0 26 10.0 21.3 246 3/7 32 1332 182 4.00 68.12 7.95 90.0 27 10.0 21.4 244 3/7 32 1340 190 4.25 68.12 7.96 94.0 10 10.0 21.4 241 3/7 32 1350 200 4.50 68.14 7.97 94.0 53 10.1 21.3 242 3/7 32 1357 207 4.75 68.15 8.01 96.0 8 10.1 21.3 243 3/7 32 1400 210 4.90 68.16 sample taken

  • 1408 218 5.00 68.16 7.95 92.0 12 10.0 21.3 249 3/7 32 1427 235 5.50 68.17 7.99 95.0 24 10.1 21.3 244 3/7 32 1434 242 5.90 68.17 8.01 96.0 13 10.1 21.3 247 3/7 32 1439 247 6.00 68.17 pump off NOTES AND OBSERVATIONS:

Sampling Depth: 74 feet below grade

  • A one gallon sample was taken and split into three 1 liter bottles.

GZA GeoEnvironmental of New York WELL ID: MW-30-87 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 8/21/2006 WEATHER: sunny, low 80's SAMPLER(S): S. Kline / S. Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= (8 x 0.653) - (8 x 0.163)

Well Volume (V) = 3.92 (Gallons)

TOTAL VOLUME PURGED: well diameter multiplier Design = 5.88 (gallons) 2 0.163 Actual = 5.50 (gallons) 4 0.653 PURGE RATE: variable (gal / min) 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 81.2-89.2 WATER QUALITY:

Elapsed Purged Depth to Specific Dissolved Drive pH Turbidity Drive/Vent Time Time Volume Water Conductivity Oxygen Temp (0C) ORP Pressure (SU) (NTU) (seconds)

(min) (gal) (ft) (uS/cm) (mg/l) (psi) 8/21/2006 8:10 0 0.00 68.65 20.2 8:28 0 0.00 68.64 pump on 3/7 38 8:38 10 0.00 73.21 7.85 0.0 79 9.3 20.2 145 3/3 38 8:44 26 0.00 79.19 7.41 0.0 2 9.2 20.2 144 10/10 40 8:54 36 0.15 83.19 8.24 0.5 280 10.1 20.2 184 10/10 46 9:04 46 0.25 84.71 8.32 83.6 200 10.1 20.3 187 10/10 46 9:14 56 0.37 83.34 8.24 95.0 120 10.0 20.3 180 10/10 46 9:24 66 0.50 83.55 8.27 92.2 120 10.1 20.2 175 10/10 46 9:54 96 0.90 82.86 8.29 44.4 60 10.1 20.2 167 10/10 46 10:14 116 1.25 83.27 8.30 45.9 59 10.1 20.2 169 10/10 46 10:34 136 1.50 83.55 8.33 90.0 62 10.2 20.3 167 10/10 46 11:18 180 2.25 82.37 8.28 90.0 31 10.1 20.3 181 10/10 46 11:28 190 2.37 82.56 8.26 90.0 85 10.1 20.2 180 10/10 46 11:38 200 2.50 82.23 8.26 90.0 120 10.1 20.2 182 10/10 46 11:48 210 2.65 85.73 8.24 90.0 80 10.1 20.2 186 7/7 46 11:58 220 2.75 85.12 8.40 86.6 210 10.2 20.2 196 10/10 46 12:58 280 3.00 85.54 8.21 52.7 150 10.2 20.1 199 10/10 42 13:18 300 3.05 85.39 8.21 101.0 510 10.2 20.1 194 10/10 46 13:28 310 3.06 85.17 8.17 29.9 66 10.0 20.0 200 10/10 46 13:38 320 3.13 85.03 8.16 45.5 62 10.0 20.0 213 10/24 46 13:48 330 3.15 84.27 8.12 26.0 67 10.1 20.0 212 10/24 46 13:58 340 3.22 85.41 8.14 28.8 74 10.1 20.1 204 10/10 46 14:08 360 3.25 85.40 8.08 90.0 100 10.1 10.1 205 10/10 46 14:40 392 3.30 84.73 8.07 0.7 75 10.0 20.0 212 10/10 46 14:43 pump off 8/22/2006 9:01 0 3.30 68.21 20.0 9:11 0 3.30 68.21 pump on 10/10 46 9:15 4 3.50 75.56 8.03 99.0 280 10.4 20.0 209 10/10 46 9:25 14 3.80 82.53 8.17 90.0 220 10.1 20.0 225 10/10 46 9:38 27 4.00 83.84 8.13 108.0 230 10.2 20.1 236 10/10 46 9:48 37 4.25 83.91 8.08 107.0 240 10.2 20.0 240 10/10 46 9:58 47 4.40 83.75 8.07 108.0 220 10.1 20.0 243 10/10 46 10:08 57 4.55 84.02 8.03 90.0 450 10.1 20.0 246 7/3 46 10:18 67 4.65 85.52 7.96 90.0 210 10.1 20.0 244 7/3 46 10:26 75 4.80 85.85 8.06 31.9 230 10.2 20.0 243 7/7 46 10:30 79 4.80 85.85 pump off 12:52 - 4.80 83.67 20.0 13:00 0 4.80 83.19 pump on - sample taken 10/10 46 13:03 3 4.85 83.20 8.07 90.0 300 9.9 20.0 266 10/10 46 13:13 13 5.00 83.79 8.00 115.0 270 9.8 20.0 259 10/10 46 13:27 27 5.25 84.31 7.88 69.4 250 9.8 20.0 266 10/10 46 13:55 55 5.50 85.59 7.97 90.0 270 9.8 20.0 264 10/10 46 14:04 pump off NOTES AND OBSERVATIONS:

Sampling Depth: 87 feet below grade on 8/21/06 88 feet below grade on 8/22/06

WELL ID: MW-30-88 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 11/28/2006 - 11/29/2006 WEATHER: low 60's/ slightly overcast SAMPLER(S): Sara Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= x 0.653 Well Volume (V) = (Gallons)

TOTAL VOLUME PURGED: well diameter multiplier Design = 4.5 (gallons) 2 0.163 Actual = 4.5 (gallons) 4 0.653 PURGE RATE: variable (gal / min) 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 71.2-75.2 WATER QUALITY:

Elapsed Purged Specific Dissolved Drive Depth to pH Turbidity Temp Drive/Vent Time Time Volume Conductivity Oxygen ORP Pressure Water (ft) (SU) (NTU) (0C) (seconds)

(min) (gal) (mS/m) (mg/l) (psi) 11/28/2006 11:43 0 0.0 - - - - - - - 12/6 20 11:50 7 0.1 - 8.32 99.9 270 8.3 22.8 147 12/4 20 11:57 14 0.2 - 8.31 90 200 8.2 23.0 157 12/4 40 12:05 22 0.5 - 8.32 90 130 8.3 22.6 166 12/4 40 13:17 94 2.5 - 8.38 99.9 130 8.3 22.5 186 12/4 38 13:40 117 3.0 - collected 50 mL tracer test sample 11/29/2006 10:45 begin purging mw-30-88 and mw-30-74 simultaneously; collect 1 gallon sample 4/4 25 11:25 157 pump off NOTES AND OBSERVATIONS:

Sampling Depth: 88 feet below grade 3/4 gallon sample taken at 14:30 and completed at 14:55 on 11/29/06.

WELL ID: MW-30-88 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 11/28/2006 - 11/29/2006 WEATHER: low 60's/ slightly overcast SAMPLER(S): Sara Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= x 0.653 Well Volume (V) = (Gallons)

TOTAL VOLUME PURGED: well diameter multiplier Design = 3.5 (gallons) 2 0.163 Actual = 3.5 (gallons) 4 0.653 PURGE RATE: variable (gal / min) 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 81.2-89.2 WATER QUALITY:

Elapsed Purged Specific Dissolve Drive Depth to pH Turbidity Drive/Vent Time Time Volume Conductivity d Temp (0C) ORP Pressure Water (ft) (SU) (NTU) (seconds)

(min) (gal) (mS/m) Oxygen (psi) 11/28/2006 10:50 0 0.0 - - - - - - - 12/12 40 11:09 19 0.4 - 8.38 126 240 8.3 22.2 161 12/12 40 11:18 28 0.6 - 8.22 126 210 8.4 21.9 165 4/8 30 11:26 36 0.7 - 8.35 126 220 8.4 21.2 158 4/4 40 11:35 45 1.0 - 8.45 125 150 8.3 21.5 158 pump off 11:43-13:40 purge of mw-30-74 13:47 45 1.0 - - - - - - - 12/4 40 13:55 53 1.2 - 8.26 129 140 8.2 22.3 192 4/4 40 14:05 63 1.5 - 8.37 122 110 8.3 21.6 184 4/4 40 14:19 77 1.8 - 8.38 122 100 8.2 21.4 181 4/4 40 14:28 86 2.0 - 8.37 100 100 8.2 21.6 181 4/4 40 14:43 101 2.3 - 8.41 125 100 8.4 20.9 177 4/4 40 11/29/2006 9:22 101 2.3 - - - - - - - 4/4 40 9:25 104 2.3 - 7.66 124 78 5.7 17.9 235 6/4 40 9:31 110 2.4 - 7.5 130 76 5.7 19.1 226 6/4 40 9:49 128 2.6 - 7.42 133 74 5.3 18.6 221 6/6 40 9:56 135 2.7 - 7.42 133 74 5.4 17.5 221 6/10 40 10:12 151 2.8 - 7.41 133 73 5.6 15.1 223 6/10 40 10:41 180 2.8 - 7.39 127 74 5.4 13.4 225 6/10 40 10:45 begin purging mw-30-88 and mw-30-74 simultaneously 4/4 25 11:25 224 3.0 - pump off 4/4 25 13:40 224 3.0 - pump on 6/4 40 14:20 264 3.5 - collected 50 mL tracer test sample 6/4 50 14:30 274 6/4 58 collected 3/4 gallon sample 14:35 279 6/4 58 14:55 299 pump off NOTES AND OBSERVATIONS:

Sampling Depth: 88 feet below grade 3/4 gallon sample taken at 14:30 and completed at 14:55 on 11/29/06.

GZA GeoEnvironmental of New York WELL ID: MW 74 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/15/2007 and 1/16/2007 WEATHER: raining, high 30's/ low 40's SAMPLER(S): S. Covelli SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

67.3 to 71.3 Sampling Interval Length 4.0 ft SAMPLING PORT 74 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 1.96 gallons 4.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 1/15/2007 12:44 0.00 pump on 6/4 54 12:55 0.35 6/4 54 13:04 0.60 6/4 54 13:15 1.00 pump off 13:24 1.00 8.04 99.9 4.5 19.5 84 6/4 54 13:53 1.90 8.09 99.9 4.5 21.1 83 6/4 54 13:57 2.00 8.17 99.9 110 4.5 21.1 84 6/4 54 14:00 2.00 8.26 99.9 4.5 20 79 6/4 54 14:10 2.35 8.3 99.9 110 4.5 21.1 74 6/4 54 14:20 2.60 8.43 99.9 4.5 21 73 6/4 54 14:25 2.80 8.42 99.9 110 4.4 21 73 6/4 54 1/16/2007 8:29 2.80 8.07 99.9 3.6 14.5 144 6/4 54 8:34 3.00 8.19 99.9 4.1 20.7 131 6/4 54 8:47 3.40 7.97 99.9 120 4.3 21.5 136 6/4 54 8:55 3.60 7.98 90 110 4.3 21.5 137 6/4 54 9:04 4.00 7.96 90 120 4.1 21.5 138 6/4 54 9:08 4.25 7.99 99.9 110 4.1 21.2 133 6/4 54 9:19 4.50 7.95 99.9 110 4.1 21.2 126 6/4 54 NOTES AND OBSERVATIONS:

GZA GeoEnvironmental of New York WELL ID: MW 88 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/15/2007 and 1/16/2007 WEATHER: raining, high 30's/ low 40's SAMPLER(S): S. Covelli SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

77.3 to 85.4 Sampling Interval Length 8.1 ft SAMPLING PORT 88 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 3.969 gallons 3.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 1/15/2007 12:44 0.00 pump on 6/4 54 12:45 0.01 7.4 127 5.4 20.6 59 6/4 54 12:55 0.35 7.94 125 5.0 20.2 68 6/4 54 13:04 0.60 8.17 129 4.8 19.7 66 6/4 54 13:14 1.00 8.15 128 99 4.5 19.3 75 6/4 54 13:15 1.00 pump off 13:24 1.00 pump on 6/4 54 13:53 1.90 6/4 54 13:57 2.00 pump off 6/4 54 14:00 2.00 pump on 6/4 54 14:10 2.10 6/4 54 14:20 2.10 6/4 54 14:25 2.10 pump off 6/4 54 1/16/2007 8:29 2.10 pump on 6/4 54 8:34 2.40 6/4 54 8:47 2.75 6/4 54 8:55 2.90 6/4 54 9:04 2.95 6/4 54 9:08 2.95 6/4 54 9:19 3.00 pump off 6/4 54 9:26 3.00 pump on 6/8 54 9:32 3.00 8.2 7.5 4.2 14.5 135 6/8 54 10:18 3.20 8.6 3.8 4.1 10.8 121 6/8 54 11:48 3.50 8.5 52.7 120 4.1 10.0 131 6/8 54 11:49 3.50 pump off 6/8 54 NOTES AND OBSERVATIONS:

WELL ID: MW-31-53 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 11/27/2006 WEATHER: low 60's/ overcast SAMPLER(S): Sara Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= x 0.653 Well Volume (V) = (Gallons)

TOTAL VOLUME PURGED: well diameter well diameter multiplier Design = 4.5 (gallons) 2 2 0.163 Actual = 4.5 (gallons) 4 4 0.653 PURGE RATE: variable (gal / min) 6 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 53 ft b/g WATER QUALITY:

Elapsed Purged Specific Dissolved Depth to pH Turbidity Temp Drive/Vent Drive Time Time Volume Conductivity Oxygen 0 ORP Water (ft) (SU) (NTU) ( C) (seconds) Pressure (min) (gal) (mS/m) (mg/l) 1000 0 0.0 - - - - - - - 4/4 40 1015 15 1.0 - 7.69 99.9 110 4.3 16.5 222 4/4 40 1040 40 2.0 - 7.62 99.9 110 4.8 17.3 194 4/4 40 1103 63 3.0 - 7.68 97.4 100 5.2 17.1 198 4/4 40 1122 82 4.0 - 7.59 91.8 100 4.7 17.5 189 4/4 40 1145 105 4.5 - - - - - - - 4/4 40 NOTES AND OBSERVATIONS:

Sampling Depth: 53 feet below grade Began purge at 10:00. Sample taken at 11:45. Sampling completed at 12:00.

WELL ID: MW-31-89 GZA GeoEnvironmental of New York Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 11/27/2006 WEATHER: low 60's/ overcast SAMPLER(S): Sara Covelli GALLONS OF WATER PER WELL VOLUME:

Well Volume = Water Column (T) (ft) x Multiplier

= x 0.653 Well Volume (V) = (Gallons)

TOTAL VOLUME PURGED: well diameter well diameter multiplier Design = 4.5 (gallons) 2 2 0.163 Actual = 4.5 (gallons) 4 4 0.653 PURGE RATE: variable (gal / min) 6 6 1.469 PURGE METHOD: Bladder pump SCREENED INTERVAL: 89 ft b/g WATER QUALITY:

Elapsed Purged Specific Dissolved Depth to pH Turbidity Temp Drive/Vent Drive Time Time Volume Conductivity Oxygen 0 ORP Water (ft) (SU) (NTU) ( C) (seconds) Pressure (min) (gal) (mS/m) (mg/l) 1000 0 0.0 - - - - - - - 4/4 40 1025 25 1.0 - 7.34 99.9 110 2.8 16.6 197 4/4 40 1055 55 2.0 - 7.36 99.9 110 3.7 16.8 202 4/4 40 1122 82 3.0 - 7.41 99.9 120 3.9 17.3 181 4/4 40 1150 110 4.0 - 7.35 99.9 120 3.4 17.4 155 4/4 40 1220 140 4.5 - - - - - - - 4/4 40 NOTES AND OBSERVATIONS:

Sampling Depth: 89 feet below grade Began purge at 10:00. Sample taken at 12:20. Sampling completed at 12:40.

GZA GeoEnvironmental of New York WELL ID: MW 53 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/17/2007 WEATHER: cold SAMPLER(S): S. Covelli SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

34.8 to 49.3 Sampling Interval Length 14.5 ft SAMPLING PORT 74 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 7.105 gallons 8.25 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 12:00 0.00 pump on 12:06 0.40 6.9 99.9 170 5.7 16.6 166 6/8 54 12:12 1.00 7.34 99.1 140 5.5 16.1 150 pump off 12:22 1.00 7.12 99.9 150 5.9 16.4 160 6/8 54 12:24 1.30 pump off 12:35 1.30 pump on 6/8 54 12:40 2.00 pump off 12:44 2.00 pump on 6/8 54 12:45 2.20 pump off 12:47 2.20 pump on 6/8 54 12:50 2.40 6/8 54 12:55 3.00 pump off 14:00 3.00 pump on 6/6 54 14:06 3.80 6/6 54 14:09 4.00 pump off 14:12 4.00 pump on 6/6 54 14:14 4.30 pump off 14:17 4.30 pump on 6/6 54 14:19 4.50 pump off 14:24 5.00 pump on 6/6 54 14:31 5.40 6/6 54 14:33 5.80 pump off 6/6 54 14:34 5.80 pump on 6/6 54 14:36 6.00 6/6 54 14:41 6.50 6/6 54 14:45 7.00 6/6 54 14:52 8.00 6/6 54 14:56 8.25 pump off 6/6 54 At 14:19, port valve not closing properly.

NOTES AND OBSERVATIONS:

GZA GeoEnvironmental of New York WELL ID: MW 67 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/17/2007 WEATHER: cold SAMPLER(S): S. Covelli SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

55.3 to 63.8 Sampling Interval Length 8.5 ft SAMPLING PORT 67 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 4.165 gallons 3.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 12:00 0.00 pump on 12:06 0.25 6/8 54 12:12 0.40 pump off 6/8 54 12:22 0.40 pump on 6/8 54 12:24 0.60 pump off 12:35 0.60 pump on 6/8 54 12:40 0.90 pump off 12:44 0.90 pump on 6/8 54 12:45 1.00 pump off 12:47 1.00 pump on 6/8 54 12:50 1.20 6/8 54 12:55 1.30 pump off 14:00 1.30 7.28 99.9 - 6 13.4 162 6/6 54 14:06 1.50 7.9 92.7 150 6.9 13.4 111 6/6 54 14:09 1.60 7.89 99.9 100 6.9 13.5 111 pump off 14:12 1.60 pump on 6/6 54 14:14 1.75 7.9 99.9 110 7 13.7 107 pump off 14:17 1.75 pump on 6/6 54 14:20 2.00 pump off 14:24 2.00 pump on 6/6 54 14:31 2.40 6/6 54 14:33 2.50 pump off 6/6 54 14:34 2.50 pump on 6/6 54 14:36 2.60 6/6 54 14:41 2.80 6/6 54 14:45 3.00 6/6 54 14:52 3.30 6/6 54 15:00 3.50 pump off 6/6 54 NOTES AND OBSERVATIONS:

GZA GeoEnvironmental of New York WELL ID: MW 89 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/17/2007 WEATHER: cold SAMPLER(S): S. Covelli SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

69.8 to 85.4 Sampling Interval Length 15.6 ft SAMPLING PORT 89 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 7.644 gallons 3.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 12:00 0.00 pump on 12:06 0.40 6/8 54 12:12 0.80 pump off 12:22 0.80 pump on 6/8 54 12:24 1.00 pump off 12:35 1.00 7.03 99.9 100 3.3 15.2 166 6/8 54 12:40 1.30 7 99.9 100 2.6 15.9 160 pump off 12:44 1.30 pump on 6/8 54 12:45 1.40 6.97 99.9 100 2.5 14.6 160 pump off 12:47 1.40 pump on 6/8 54 12:50 1.60 6.95 99.9 100 2.4 15.8 163 6/8 54 12:55 2.00 7.01 99.9 100 2.4 16.3 159 pump off 14:00 2.00 pump on 6/6 54 14:06 2.50 6/6 54 14:09 2.60 pump off 14:12 2.60 pump on 6/6 54 14:14 3.00 pump off 14:17 3.00 pump on 6/6 54 14:20 3.30 pump off 14:24 3.30 pump on 6/6 54 14:31 3.80 6/6 54 14:33 4.00 pump off 14:34 4.00 pump on 6/6 54 14:36 4.40 6/6 54 14:41 4.60 pump off NOTES AND OBSERVATIONS:

GZA GeoEnvironmental of New York WELL ID: MW 62 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/18/2007 WEATHER: very cold SAMPLER(S): S. Covelli/ S. Kline SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

46.9 to 62.4 Sampling Interval Length 15.5 ft SAMPLING PORT 62 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 7.595 gallons 8 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 10:55 0.00 pump on; transducer indicates sensor temperature of 200 C 6/6 55 11:10 0.10 6.6 87.3 250 4.8 18.8 207 6/6 55 11:15 0.50 7.1 86.3 150 6.2 19.1 193 6/6 55 11:18 1.00 7.3 88.7 130 5.2 18.9 187 pump off 12:15 1.00 pump on 6/6 55 12:18 2.00 7.6 62.8 170 5.9 19.4 169 6/6 55 12:25 3.00 6/6 55 12:32 3.70 7.5 73.3 150 5.9 19.3 169 6/6 55 12:34 4.00 19.5 6/6 55 12:42 5.00 7.5 80 120 5.9 19.3 170 6/6 55 12:40 6.00 6/6 55 12:50 7.00 6/6 55 12:55 7.50 19.3 6/6 55 12:58 8.00 NOTES AND OBSERVATIONS:

Vent Lines are frozen at first attempt to purge. Lines were de-iced using a heat gun.

GZA GeoEnvironmental of New York WELL ID: MW 92 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/18/2007 WEATHER: very cold SAMPLER(S): S. Covelli/ S. Kline SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

82.4 to 92.9 Sampling Interval Length 10.5 ft SAMPLING PORT 92 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 5.145 gallons 6 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 10:57 0 pump on; transducer indicates sensor temperature of 19.30 C 6/6 55 12:20 0.50 6/6 55 12:26 1.00 6/6 55 12:37 1.00 19 6/6 55 12:39 2.00 6/6 55 12:45 2.50 7.5 74.5 98 4 17.5 165 6/6 55 12:50 3.00 7.3 77.8 98 3.6 17.5 169 6/6 55 12:52 3.30 18.9 6/6 55 12:59 4.00 7.4 79.8 98 3.4 17.5 163 6/6 55 13:12 5.00 6/6 55 13:20 5.50 18.9 6/6 55 13:27 6.00 6/6 55 13:31 6.00 pump off; transducer indicates sensor temperature of 18.90 C NOTES AND OBSERVATIONS:

Vent Lines are frozen at first attempt to purge. Lines were de-iced using a heat gun.

GZA GeoEnvironmental of New York WELL ID: MW 140 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/18/2007 WEATHER: very cold SAMPLER(S): S. Covelli/ S. Kline SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

119.9 to 140.4 Sampling Interval Length 20.5 ft SAMPLING PORT 140 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 10.045 gallons 10.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 10:59 0 pump on; transducer indicates sensor temperature of 17.50 C 6/6 55 12:19 0.5 6/6 55 12:20 1.00 17.5 6/6 55 12:40 2.00 6/6 55 12:55 3.00 6/6 55 13:04 3.50 7.2 85.6 98 5.2 17.7 170 6/6 55 13:05 17.5 6/6 55 13:10 3.80 7.5 88.5 97 2.8 17.6 156 6/6 55 13:13 4.00 6/6 55 13:17 4.30 7.2 87.8 97 2.8 17.4 153 6/6 55 13:25 4.50 7.3 87 98 2.9 17.4 148 6/6 55 13:30 5.00 8/8 60 13:33 5.10 8/8 60 13:35 5.40 7.3 79.9 98 3.1 17.5 145 8/8 60 13:45 6.00 8/8 60 13:55 6.70 transducer indicates sensor temperature of 17.50 C 8/8 60 13:57 7.00 8/8 60 14:15 8.00 8/8 60 14:20 8.30 transducer indicates sensor temperature of 17.50 C 8/8 60 14:29 9.00 8/8 60 14:45 10.00 8/8 60 14:52 10.50 pump off 8/8 60 NOTES AND OBSERVATIONS:

Vent Lines are frozen at first attempt to purge. Lines were de-iced using a heat gun.

GZA GeoEnvironmental of New York WELL ID: MW 160 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/18/2007 WEATHER: very cold SAMPLER(S): S. Covelli/ S. Kline SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

146.4 to 161.9 Sampling Interval Length 15.5 ft SAMPLING PORT 160 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 7.595 gallons 8.5 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 11:03 0 pump on; transducer indicates sensor temperature of 16.60 C 6/6 55 12:19 0.4 transducer indicates sensor temperature of 16.50 C 6/6 55 12:30 1.00 6/6 55 12:45 2.00 6/6 55 12:56 3.00 6/6 55 13:10 3.80 transducer indicates sensor temperature of 16.60 C 6/6 55 13:14 4.00 6/6 55 13:36 4.40 transducer indicates sensor temperature of 16.70 C 8/8 60 13:48 5.00 7.3 89.3 98 3.8 16.9 148 8/8 60 13:55 5.50 7.3 87.5 98 2.9 17.3 141 8/8 60 13:56 5.60 transducer indicates sensor temperature of 16.70 C 8/8 60 14:03 6.00 7.3 84.6 98 3 17.3 138 8/8 60 14:18 6.50 transducer indicates sensor temperature of 16.70 C 8/8 60 14:25 7.00 8/8 60 14:40 8.00 transducer indicates sensor temperature of 16.70 C 8/8 60 14:45 8.50 pump off NOTES AND OBSERVATIONS:

Vent Lines are frozen at first attempt to purge. Lines were de-iced using a heat gun.

GZA GeoEnvironmental of New York WELL ID: MW 197 Waterloo Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/18/2007 WEATHER: very cold SAMPLER(S): S. Covelli/ S. Kline SAMPLING INTERVAL (depth in ft below top of casing) GALLONS OF WATER PER WELL VOLUME:

167.9 to 198.4 Sampling Interval Length 30.5 ft SAMPLING PORT 197 x 0.49 multiplier TOTAL VOLUME PURGED: WELL VOLUME: 14.945 gallons 9 gal PURGE RATE:variable PURGE METHOD: Double Valve Pump WATER QUALITY:

Specific Purged Volume Turbidity Dissolved Drive/Vent Drive Pressure Time pH (SU) Conductivity Temp (0C) ORP (gal) (NTU) Oxygen (g/l) Cycle (seconds) (psi)

(mS/cm) 11:05 0.00 pump on; transducer indicates sensor temperature of 15.00 C 6/6 55 11:18 0.00 transducer indicates sensor temperature of 15.00 C 6/6 55 12:15 0.00 transducer indicates sensor temperature of 15.10 C 6/6 55 12:18 0.70 6/6 55 12:23 1.00 6/6 55 12:48 2.00 6/6 55 13:09 3.00 6/6 55 13:16 3.30 transducer indicates sensor temperature of 15.10 C 8/8 60 13:34 4.00 8/8 60 13:37 4.20 transducer indicates sensor temperature of 15.10 C 8/8 60 13:55 5.00 8/8 60 14:00 transducer indicates sensor temperature of 15.10 C 8/8 60 14:14 6.00 8/8 60 14:15 transducer indicates sensor temperature of 15.10 C 8/8 60 14:16 6.10 7.3 89.7 97 2.2 16.4 136 8/8 60 14:25 6.50 7.3 89.3 97 2.2 16.8 131 8/8 60 14:30 6.70 7.3 88.9 97 2.1 16.9 129 8/8 60 14:35 7.00 7.3 89.4 97 2.2 17.0 126 8/8 60 14:45 7.50 8/8 60 14:50 8.00 7.3 89.5 97 2.2 17.2 125 8/8 60 15:00 8.30 7.3 89.5 97 2.2 17.3 125 8/8 60 15:15 9.00 7.3 89.5 97 2.2 17.3 125 8/8 60 NOTES AND OBSERVATIONS:

Vent Lines are frozen at first attempt to purge. Lines were de-iced using a heat gun.

WELL ID: MW-38-40 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/11/07 SAMPLER(S): Sara Covelli / Angela Hough WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (gal/hr) Depth (ft)

(mS/m) (g/l)

LOW TIDE 11:36 12.75 5.72 476.0 74.4 6.13 16.42 128 7.5 pump on/ salinity 0.0 11:45 12.72 7.22 461.0 4 2.29 20.22 43 8.0 salinity 0.0 11:48 12.70 7.38 556.0 4.7 2.74 19.90 23 8.0 40.0 salinity 0.0 11:52 - - - - - - - - sample collected 11:56 - - - - - - - - pump off HIGH TIDE 16:36 11.25 - - - - - - - pump on 16:39 11.25 6.35 192.0 13.8 8.23 18.07 107 10.0 salinity 0.0 17:30 11.25 6.00 191.0 11.8 8.10 16.87 111 6.0 salinity 0.0 40.0 17:32 11.25 - - - - - - - sample collected 17:34 - - - - - - - - pump off NOTES AND OBSERVATIONS:

Low Tide occurred at approximately 10:34 and High Tide occurred at approximately 16:05. Low and High Tide times were determined based on water elevation readings from stilling well HR-1.

WELL ID: MW-38-20 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/11/07 SAMPLER(S): Sara Covelli / Angela Hough WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (gal/hr) Depth (ft)

(mS/m) (g/l)

LOW TIDE 11:39 12.75 - - - - - - 7.75 pump on 11:42 12.75 7.27 475.0 6.7 2.49 20.10 38 7.75 salinity 0.0 11:50 12.70 7.44 579.0 3.6 2.46 20.77 23 8.00 20.0 salinity 0.0 11:54 - - - - - - - - sample collected 11:56 - - - - - - - - pump off HIGH TIDE 16:36 11.25 - - - - - - - pump on 16:42 11.25 5.70 0.0 80.3 8.51 17.95 134 5.25 salinity 0.0 17:25 11.25 5.99 190.0 13.5 8.44 16.52 107 2.00 salinity 0.0 20.0 17:27 11.25 - - - - - - - sample collected 17:34 - - - - - - - - pump off NOTES AND OBSERVATIONS:

Low Tide occurred at approximately 10:34 and High Tide occurred at approximately 16:05. Low and High Tide times were determined based on water elevation readings from stilling well HR-1.

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 3/31/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 837 36.17 start pump 845 36.65 2.87 99.90 NA 2.27 14.5 250 160 854 36.61 3.73 2.22 NA 8.99 15.7 178 210 900 36.83 5.17 5.90 NA 3.92 18.9 87 230 48 906 36.90 5.52 3.48 NA 6.64 20.0 66 220 912 36.91 5.49 2.03 NA 6.54 20.1 67 200 918 36.90 5.40 1.91 NA 6.31 20.4 73 210 924 36.90 5.31 1.84 NA 6.27 20.1 77 220 sample taken 945 36.82 start pump 947 36.90 4.82 2.26 NA 4.60 17.8 111 350 953 37.12 5.15 2.17 NA 6.41 20.6 97 240 45.5 959 37.07 5.22 2.05 NA 6.31 20.1 94 230 1005 37.05 5.24 1.94 NA 6.00 20.3 94 240 sample taken 1033 36.25 start pump 1038 36.70 4.40 4.53 NA 7.90 18.3 162 160 1044 36.88 4.70 1.81 NA 4.51 20.0 140 230 43 1050 36.96 4.92 1.92 NA 4.53 20.5 133 230 1054 37.00 5.07 2.06 NA 4.56 21.0 127 220 1100 37.02 5.14 2.12 NA 4.13 21.0 123 220 sample taken 1246 36.22 start pump 1251 36.54 4.37 0.01 NA 8.64 17.3 206 75 1257 36.48 4.21 3.70 NA 5.23 16.6 195 100 1303 36.46 4.33 2.42 NA 4.71 16.6 178 80 41 1309 36.51 4.48 1.85 NA 4.04 17.8 169 110 1315 36.46 4.66 1.92 NA 3.84 19.0 162 100 1321 36.50 4.75 2.01 NA 3.72 19.5 158 100 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 4/06/06 SAMPLER(S): S. Covelli WATER QUALITY:

Depth to Specific Dissolved pH Turbidity Rate Pump Time Water Conductivity Oxygen Temp (0C) ORP Notes (SU) (NTU) (mL/min) Depth (ft)

(ft) (uS/cm) (mg/l) 1042 35.40 start pump 1047 35.77 7.91 6.6 633 13.10 12.2 262 225 1057 36.00 7.80 9.6 623 5.53 14.9 22 225 1107 36.10 7.84 9.4 689 5.69 17.6 19 240 1114 36.12 7.83 7.2 610 5.49 17.7 33 250 48 1120 36.13 7.82 6.6 552 5.54 17.8 42 250 1126 36.15 7.80 6.2 472 5.62 18.0 46 250 1132 36.15 7.79 6.1 432 5.64 18.0 47 250 1138 36.17 7.77 5.9 386 5.67 18.2 44 260 sample taken 1337 35.41 start pump 1340 36.07 7.31 5.4 359 7.48 12.5 117 240 1346 36.05 7.78 5.4 294 6.44 14.3 62 250 1351 36.26 7.77 5.5 228 6.59 18.1 51 280 45.5 1407 36.21 7.74 5.2 197 7.81 18.2 47 190 1413 36.16 7.74 5.1 193 7.56 17.9 51 330 1419 36.13 7.74 5.2 192 7.37 18.5 48 330 sample taken 1504 36.25 7.73 5.0 173 5.78 18.4 46 275 1511 36.43 7.72 4.9 185 5.75 18.4 42 325 43 1521 36.25 7.73 5.0 179 5.64 17.4 43 250 sample taken 1554 36.52 7.72 4.8 167 5.79 20.1 37 400 1602 36.38 7.72 4.9 177 5.87 18.7 45 320 1608 36.42 7.67 4.5 173 5.58 19.0 51 400 41 1615 36.43 7.70 4.7 169 5.82 19.3 47 390 1621 36.32 7.72 4.8 168 5.87 19.3 47 350 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 7/20/06 - 7/21/06 SAMPLER(S): S. Covelli WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (mL/min) Depth (ft)

(uS/cm) (mg/l) 7/20/2006 1316 34.64 pump on 1322 35.40 7.06 3.5 369 1.76 20.5 50 300 1340 35.44 7.25 2.0 266 2.80 22.0 27 250 1351 35.51 7.18 1.6 170 3.49 22.0 34 300 48 1413 35.61 7.13 1.4 161 3.73 22.0 37 275 1427 35.64 7.13 1.4 203 3.75 22.0 38 300 1430 sample taken/pump off 7/21/2006 821 34.69 pump on 830 35.02 7.12 1.6 180 5.37 20.1 167 125 844 35.30 7.30 1.4 107 4.52 21.4 56 175 45.5 852 35.43 7.26 1.3 93.7 4.48 21.8 53 225 858 35.45 7.24 1.3 87.9 4.44 21.8 51 225 900 sample taken/pump off 953 34.72 pump on 957 35.23 7.32 1.3 150 5.55 19.7 123 250 1005 35.38 7.04 1.3 93.9 4.80 21.6 77 200 1012 35.39 7.14 1.3 79.8 4.70 22.1 61 200 43 1020 35.40 7.19 1.3 68.8 4.56 22.5 53 200 1030 35.42 7.18 1.3 63.7 4.46 23.3 52 200 1033 sample taken 1040 pump remains on 1041 35.33 7.18 1.3 151 4.30 22.8 55 200 1107 35.52 7.15 1.2 40.7 4.16 23.4 50 275 41 1116 35.53 7.14 1.2 33.8 4.14 23.8 52 275 1134 35.54 7.13 1.2 34.5 4.08 23.7 58 275 1135 pump off NOTES AND OBSERVATIONS:

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 9/15/06 SAMPLER(S): A. Hough WATER QUALITY:

Depth to Specific Dissolved pH Turbidity ORP Rate Pump Time Water Conductivity Oxygen Temp (0C) Notes (SU) (NTU) (mV) (gal/hr) Depth (ft)

(ft) (uS/cm) (mg/l) 1022 34.62 start pump 1025 35.59 7.60 0.187 480 6.1 18.5 137 4.2 1028 35.55 7.68 0.188 410 3.4 18.5 123 3.8 1031 35.43 7.74 0.186 640 3.8 19.0 114 3.8 1034 35.41 7.76 0.183 450 3.8 19.1 114 3.8 1037 35.38 7.80 0.167 390 4.0 19.7 117 2.6 1040 35.29 7.85 0.160 320 4.0 20.1 119 2.6 1043 35.15 7.88 0.157 290 4.0 20.3 122 2.2 48 1047 35.05 7.90 0.155 280 4.0 20.3 123 2.5 1050 34.99 7.91 0.155 250 4.0 20.4 122 1.8 1053 34.99 7.90 0.153 230 3.8 20.5 86 1.6 1056 34.99 7.89 0.152 230 3.8 20.5 72 1.6 1059 34.99 7.88 0.153 190 3.7 20.5 68 1.6 1102 34.98 7.87 0.152 190 3.7 20.5 68 1.6 1105 34.97 7.86 0.151 190 3.8 20.5 69 1.6 1106 34.96 7.86 0.151 180 3.8 20.6 69 1.6 sample taken 1132 34.34 start pump 1134 35.08 7.91 0.137 220 5.4 20.3 143 2.3 1137 35.02 7.83 0.134 190 4.7 20.4 134 1.4 1140 34.97 7.81 0.134 170 4.6 20.4 125 1.6 1143 34.94 7.82 0.132 160 4.6 20.4 121 1.6 1146 34.93 7.81 0.132 150 4.5 20.4 115 1.6 1150 34.91 7.82 0.130 110 4.5 20.3 108 1.6 1154 34.92 7.82 0.130 110 4.4 20.2 103 1.5 1158 34.90 7.81 0.130 110 4.3 20.3 99 1.5 46 1202 34.90 7.81 0.130 80 4.3 20.3 99 1.5 1206 34.90 7.81 0.129 70 4.3 20.4 98 1.4 1210 34.89 7.81 0.127 47 4.2 20.6 97 1.5 1214 34.89 7.82 0.127 39 4.1 20.7 97 1.5 1218 34.89 7.82 0.126 37 4.1 20.8 98 1.5 1222 34.88 7.82 0.126 34 4.2 20.8 99 1.5 1226 34.89 7.81 0.126 31 4.1 20.9 101 1.5 1229 34.89 7.81 0.125 32 4.1 20.9 102 1.5 1231 34.88 7.80 0.125 26 4.2 20.9 103 1.5 sample taken NOTES AND OBSERVATIONS:

GZA GeoEnvironmental of New York WELL ID: MW-42-51 Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 9/18/06 SAMPLER(S): A. Hough WATER QUALITY:

Depth to Specific Dissolved pH Turbidity ORP Rate Pump Time Water Conductivity Oxygen Temp (0C) Notes (SU) (NTU) (mV) (gal/hr) Depth (ft)

(ft) (uS/cm) (mg/l) 856 35.52 900 35.08 7.29 0.099 240 8.6 18.7 186 2.0 904 35.00 7.72 0.096 200 7.9 18.6 194 1.6 908 34.90 7.77 0.094 180 7.7 18.7 201 1.0 912 34.81 7.77 0.093 150 7.9 18.8 202 0.8 917 34.74 7.78 0.093 210 7.9 19.1 202 0.6 921 34.69 7.80 0.093 160 8.0 19.2 201 0.6 925 34.67 7.83 0.092 160 7.9 19.6 197 0.6 929 34.64 7.84 0.092 140 1.0 19.7 195 0.4 934 34.68 7.90 0.092 140 6.8 20.2 190 1.4 939 34.67 7.94 0.092 200 7.5 20.5 195 1.6 943 34.71 7.91 0.092 160 7.5 20.5 192 0.8 947 34.70 7.92 0.091 95 7.4 20.7 191 0.4 951 34.63 7.90 0.091 85 7.4 20.8 189 0.4 954 34.61 7.90 0.091 89 7.7 20.\8 188 0.4 959 34.58 7.90 0.091 120 7.4 20.9 187 0.6 1003 34.57 7.90 0.091 130 7.3 21.1 187 0.4 1008 34.56 7.89 0.092 110 7.3 21.2 185 0.4 1012 34.57 7.88 0.092 110 7.3 21.3 186 0.4 1016 34.56 7.86 0.092 94 7.4 21.5 184 0.4 1020 34.55 7.86 0.092 80 7.3 21.6 182 0.4 1025 34.55 7.89 0.090 110 7.5 21.9 184 0.4 43 1029 34.56 7.86 0.092 97 7.3 22.0 184 0.4 1034 pump turned off for 15 min 1054 34.90 7.95 0.094 91 7.9 22.2 198 0.4 1058 34.79 7.87 0.092 70 7.5 22.2 189 0.4 1102 34.69 7.86 0.092 55 7.4 22.1 187 0.4 1105 34.64 7.85 0.092 45 7.5 22.1 186 0.4 1109 34.63 7.85 0.092 49 7.5 22.1 184 0.4 1112 34.60 7.86 0.092 38 7.4 22.2 184 0.4 1115 34.59 7.85 0.092 28 7.5 22.1 183 0.4 1118 34.57 7.85 0.092 26 7.3 22.2 182 0.4 1122 34.58 7.85 0.092 18 7.3 22.3 181 0.4 1125 34.57 7.85 0.092 12 7.3 22.3 180 0.4 1128 34.57 7.86 0.092 13 7.2 22.5 180 0.4 1130 pump turned off for 4 min 1136 35.14 7.81 0.091 20 6.4 24.6 159 0.4 1139 35.09 7.80 0.091 16 6.3 24.9 151 0.4 1142 35.03 7.79 0.091 15 6.2 24.8 147 0.4 1145 34.98 7.79 0.090 8 6.0 24.5 146 0.4 1148 34.89 7.75 0.090 9 6.0 24.3 147 0.4 1151 34.82 7.78 0.090 8 6.0 24.2 148 0.4 pump turned off for 42 min 1237 35.21 7.87 0.090 5 7.6 21.8 212 0.4 sample taken 1342 34.19 1344 35.25 7.78 0.090 42 6.7 20.8 218 1.0 1347 35.11 7.76 0.090 21 6.8 21.3 214 1.5 1350 35.04 7.69 0.090 29 6.7 22.2 214 1.7 1353 34.92 7.65 0.090 53 6.7 22.2 209 1.1 1356 34.89 7.64 0.090 25 6.6 22.6 208 1.2 1400 34.85 7.61 0.090 17 6.5 23.1 200 0.6 1403 34.83 7.60 0.090 52 6.4 23.4 198 1.2 1406 34.74 7.69 0.090 33 6.4 23.5 188 0.6 41 1409 34.68 7.71 0.090 33 6.5 23.7 184 0.6 1412 34.62 7.75 0.090 0 6.5 23.9 182 0.4 1415 34.62 7.75 0.090 23 6.2 24.3 181 0.4 1418 34.61 7.75 0.090 12 6.4 24.3 181 0.4 1423 34.73 7.74 0.090 1 6.3 24.6 182 0.4 1426 35.38 7.75 0.090 0 6.2 25.3 176 0.4 1429 35.43 7.73 0.090 0 6.3 25.9 172 0.4 1432 35.80 7.73 0.090 0 6.5 25.8 169 0.4 1435 35.75 7.69 0.090 0 6.1 24.8 167 0.4 sample taken NOTES AND OBSERVATIONS:

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 11/16/06 - 11/17/06 SAMPLER(S): S. Covelli WATER QUALITY:

Depth to Specific Dissolved pH Turbidity Rate Pump Time Water Conductivity Oxygen Temp (0C) ORP Notes (SU) (NTU) (gal/hr) Depth (ft)

(ft) (mS/m) (g/l) 11/16/2006 833 34.89 0.0 845 34.87 0.0 pump on 855 35.24 7.86 127.0 >1000 1.90 17.5 -60 1.0 increased flow rate 900 35.20 7.86 132.0 710 1.60 18.8 -63 1.4 increased flow rate 907 35.25 7.88 122.0 740 1.60 7.7 -63 2.5 930 35.39 8.04 99.9 340 3.80 20.3 30 2.5 48 948 35.43 7.99 97.3 240 4.30 21.1 63 2.5 1010 35.41 7.97 93.3 170 4.70 21.3 88 2.6 1030 35.43 7.94 86.4 160 4.70 21.5 103 3.0 1047 35.55 7.93 86.4 150 4.70 22.0 109 3.0 1052 Note 1 1114 pump off 1135 34.87 1139 pump on 1141 35.29 flow meter malfunction 1147 35.48 7.97 88.0 370 4.70 20.2 79 3.0 45.5 1200 35.52 7.99 85.1 220 4.60 22.1 66 3.1 1258 35.56 7.91 85.8 150 4.60 23.0 113 3.4 1302 Note 1 1330 pump off 1344 34.81 1346 pump on 1348 35.25 1352 35.25 7.98 87.9 210 4.90 19.6 145 2.0 1355 35.27 7.93 87.8 200 4.80 19.9 136 2.8 43 1400 35.40 7.89 84.8 170 4.70 22.3 122 3.0 1414 35.55 7.91 85.2 140 4.80 23.6 117 3.5 1421 35.62 7.92 88.6 140 4.90 23.6 117 3.5 1424 Note 1 11/17/2006 800 34.52 pump on 804 35.24 8.32 80.7 200 4.90 16.9 198 2.0 811 35.28 8.10 77.8 190 4.70 19.0 192 3.1 818 35.32 8.03 78.9 140 4.90 21.8 182 3.5 41 826 35.35 8.03 80.4 130 5.00 22.4 178 3.4 835 35.39 8.03 82.4 130 5.00 22.4 174 3.4 842 35.40 8.03 83.0 130 5.00 22.7 173 3.4 844 Note 1 NOTES AND OBSERVATIONS:

1- Three-way split sample taken for IPEC, NRC, and NYS. Bulk sample was drawn into a gallon bottle and divided into three 1 liter bottles.

WELL ID: MW-48-38 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/11/07 SAMPLER(S): Sara Covelli / Angela Hough WATER QUALITY:

Water Specific Dissolved pH Turbidity Rate Pump Time Elevation Conductivity Oxygen Temp (0C) ORP Notes (SU) (NTU) (gal/hr) Depth (ft)

(ft asl) (mS/m) (g/l)

LOW TIDE 11:06 - - - - - - - 2.5 pump on 11:26 -0.224 7.68 90.000 120 5.50 15.30 75 2.5 11:29 -0.270 7.20 90.000 99 4.50 16.50 19 3.0 28.0 11:32 -0.158 7.32 90.000 97 4.30 16.80 7 2.0 11:34 -0.191 7.36 90.000 96 4.20 16.70 0 2.0 11:35 - - - - - - - - sample collected HIGH TIDE 16:20 - - - - - - - - pump on 16:47 1.014 7.48 99.900 93 4.30 16.90 -76 3.0 salinity 0.0 16:55 1.052 7.56 90.000 93 4.30 16.80 0 3.0 28.0 salinity 0.1 17:00 1.004 7.63 90.000 96 4.20 16.9 -63 3 salinity 0.0 17:02 - - - - - - - - sample collected NOTES AND OBSERVATIONS:

Low Tide occurred at approximately 10:34 and High Tide occurred at approximately 16:05. Low and High Tide times were determined based on water elevation readings from stilling well HR-1.

WELL ID: MW-48-23 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 1/11/07 SAMPLER(S): Sara Covelli / Angela Hough WATER QUALITY:

Specific Dissolved Depth to pH Turbidity Rate Pump Time Conductivity Oxygen Temp (0C) ORP Notes Water (ft) (SU) (NTU) (gal/hr) Depth (ft)

(mS/m) (g/l)

LOW TIDE 11:16 15.70 - - - - - - - pump on 11:41 15.76 7.38 90.0 95 4.1 16.3 -16 4.2 20.0 11:44 15.65 7.42 90.0 93 3.4 18.9 -40 4.2 11:47 15.64 7.47 90.0 93 3.2 19.9 -39 4.2 HIGH TIDE 16:23 13.93 - - - - - - - pump on 16:24 14.03 7.80 150.0 120 2.4 14.5 -128 4.0 salinity 0.0 16:51 13.37 7.52 90.0 93 4.3 17.4 -72 3.0 salinity 0.1 20.0 16:59 13.40 7.53 90.0 95 4.1 16.8 -67 3.0 salinity 0.1 17:05 13.44 7.79 94.6 95 4.0 16.2 -37 3.0 salinity 0.0 17:08 - - - - - - - - sample collected NOTES AND OBSERVATIONS:

Low Tide occurred at approximately 10:34 and High Tide occurred at approximately 16:05. Low and High Tide times were determined based on water elevation readings from stilling well HR-1.

WELL ID: MW-42-51 GZA GeoEnvironmental of New York Low-Flow Sampling Data Sheet CLIENT: Entergy - IPEC PROJECT NO: 41.0017869.10 SITE: Buchanan, NY DATE: 10/2/06 SAMPLER(S): A. Hough WATER QUALITY:

Depth to Specific Dissolved pH Turbidity ORP Rate Pump Time Water Conductivity Oxygen Temp (0C) Notes (SU) (NTU) (mV) (ml/min) Depth (ft)

(ft) (uS/cm) (mg/l) 818 12.35 947 13.47 7.21 0.090 0 5.9 17.9 -16 -- start pump 952 13.42 6.99 0.090 0 1.9 17.6 14 --

956 13.42 7.13 0.097 0 1.6 17.9 4 --

1000 13.43 7.21 0.096 0 1.5 18.1 -28 --

1004 13.47 7.26 0.096 0 1.4 18.2 -54 146.0 1008 13.50 7.27 0.096 4 1.2 18.6 -79 146.0 191 1012 13.51 7.28 0.096 0 0.9 18.8 -96 146.0 1016 13.53 7.29 0.096 2 0.9 18.8 -114 --

1020 13.57 7.28 0.097 3 0.6 18.7 -125 --

1024 13.58 7.27 0.096 0 0.5 18.7 -130 --

1028 13.60 7.27 0.096 0 0.5 18.9 -135 --

1032 13.62 7.27 0.096 0 0.5 19.1 -134 --

1036 13.64 7.27 0.096 0 0.5 19.3 -136 -- sample taken 1155 13.99 7.28 0.098 89 4.2 20.2 13 100.0 start pump 1159 14.07 7.01 0.099 11 0.7 17.2 -66 400.0 1204 14.11 6.87 0.099 0 3.7 18.5 -17 400.0 1208 14.14 6.92 0.099 0 0.5 17.7 -37 200.0 1212 14.16 7.14 0.099 0 0.3 18.2 -56 --

93 1215 14.19 7.24 0.099 0 0.3 17.8 -66 --

1216 pump shut off for 30 min 1246 14.22 7.31 0.099 0 2.9 20.6 61 --

1250 14.27 7.21 0.099 0 2.5 20.4 43 --

1254 14.30 7.16 0.099 0 2.2 20.2 38 -- sample taken 1333 14.28 7.27 0.099 0 2.1 20.2 22 200.0 start pump 1337 14.37 7.18 0.099 0 1.0 18.7 -88 --

1342 14.39 7.15 0.099 0 0.6 18.9 -97 --

53.5 1346 14.40 7.09 0.099 0 0.3 19.1 -95 --

1350 14.41 7.07 0.099 0 0.4 19.3 -93 --

1354 14.42 7.09 0.099 0 0.3 18.7 -99 -- sample taken NOTES AND OBSERVATIONS:

APPENDIX L - HYDROGRAPHS Groundwater Monitoring Well Hydrographs Well Groupings:

Distance to Distance to Distance to Distance to WELL ID Group1 Discharge WELL ID Group Discharge WELL ID Group Discharge WELL ID Group Discharge canal (ft)2 canal (ft) canal (ft) canal (ft)

MW-30-69 1 230 MW-36-24 6 2 MW-49-26 9 -24 MW-41-13 12 559 30-84 1 230 36-40 6 2 49-42 9 -22 41-40 12 559 MW-31-49 1 287 36-52 6 2 49-65 9 -22 41-63 12 559 31-63 1 287 MW-50-42 6 12 MW-59-32 9 -12 MW-43-28 12 607 31-85 1 287 50-66 6 12 59-45 9 -12 43-62 12 607 I-2 1 360 MW-55-24 6 43 59-68 9 -12 55-35 6 43 MW-66 9 -94 MW-44-67 13 368 MW-32-62 2 259 55-54 6 43 44-102 13 368 32-92 2 259 MW-58-26 6 45 MW-60 10 -206 MW-45-42 13 471 32-140 2 259 58-65 6 45 MW-61 10 -104 45-61 13 471 32-160 2 259 MW-62 10 -104 32-197 2 259 MW-54 7 83 62-18 10 -104 MW-40 14 761 MW-57-11 7 159 62-37 10 -104 MW-46 14 330 MW-39 3 583 57-20 7 159 MW-63 10 -110 MW-42-49 3 363 57-45 7 159 63-18 10 -109 U3-1 15 18 42-78 3 363 MW-108 7 116 63-34 10 -109 U3-2 15 16 U3-3 15 14 MW-47-56 4 367 MW-37-22 8 -3 MW-51 11 815 47-80 4 366 37-32 8 -3 MW-65-48 11 631 MW-109 16 45 MW-53-82 4 225 37-40 8 -3 65-80 11 631 U3-T1 16 100 53-120 4 225 37-57 8 -3 MW-107 11 1184 U3-T2 16 112 MW-56-53 4 346 MW-52 8 -90 56-83 4 346 52-12 8 -90 MW-38 17 28 MW-48-23 17 43 MW-33 5 147 48-37 17 43 MW-34 5 149 U3-4D 17 23 MW-35 5 149 well screen in unconsolidated deposit {soil backfill/natural soil} U3-4S 17 24 MW-111 5 104 Legend: Water Level Plots Well Nomenclature: example: MW 49- 26* Canal MW = Monitoring Well 49 = Borehole Number Designation 26 = Screen Depth (for nested piezometers) or Port Depth (for Waterloo intervals)

Colder than Canal*

  • Wells without suffix indicating Screen/Port Depth are open bedrock wells or single-screened overburden wells
    • In nested wells, Screen Depth suffix indicates depth of bottom of well screen from top of casing and is rounded to the nearest foot
      • In Waterloo wells, Port Depth suffix indicates depth of top of sampling port from top of casing and is rounded to the nearest foot Notes: Warmer than canal*
1. Monitoring wells are grouped based on close proximity to each other and selected Site features.
2. Distance to Discharge Canal is expressed in horizontal feet east of the discharge canal. Negative distances indicate horizontal feet west of the canal.
  • General temperature ranges - not temp specific J:\17,000-18,999\17869\17869-10.DW\GROUNDWATER INVESTIGATION REPORT\Post 07-12-18 version 7 files\Version 7 Appendices\L) Hydrographs_\LEGENDrevised.xls

Well Group 1 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 56 56 I-2 54 54 52 52 50 50 48 48 46 46 53 53 51 MW-31 51 49 49 47 47 45 45 43 Open Hole MW-31-49 43 41 MW-31-63 41 39 MW-31-85 39 37 37 Waterloo System Started 35 35 33 33 15 15 Elevation (NGVD29), ft 13 MW-30 MW-30-84 13 Open Hole MW-30-69 11 11 9 9 7 7 5 5 Waterloo System Started 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 2 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 53 53 MW-32 Open hole 49 49 45 45 MW-32-62 41 41 37 37 33 33 29 29 25 25 21 21 Waterloo System Started Transducer at 102ft depth 17 Packered between 85ft and 87ft 17 MW-32-140 13 13 MW-32-92 Elevation (NGVD29), ft 9 MW-32-160 9 MW-32-197 5 5 15 15 MW-30-74 13 MW-30 Open hole 13 11 11 9 MW-30-88 9 7 7 5 5 Waterloo System Started 9 9 7 7 Canal 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

0 Precipitation, in.

10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 DRAFT 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 - Privileged 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 Proprietary and 7/23/07 8/22/07 9/21/07

Well Group 3 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 56 56 54 I-2 54 52 52 50 50 48 48 46 46 35 35 33 MW-39 33 31 31 29 29 27 27 25 25 23 23 21 21 19 19 17 17 15 15 40 40 38 MW-42 MW-42-79 38 Elevation (NGVD29), ft 36 MW-42-51 36 34 34 MW-42-51 32 32 30 30 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 DRAFT 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07

- Privileged and Proprietary 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 4 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 34 MW-47 34 32 MW-47-80 32 30 30 MW-47-56 28 28 26 MW-47-56 26 24 24 22 22 20 20 32 32 30 MW-56 Open hole 30 MW-56-54 28 28 26 MW-56-83 26 24 24 22 22 20 20 25 25 23 23 MW-53 21 21 19 19 Elevation (NGVD29), ft 17 17 15 15 13 MW-53-80 13 11 11 9 9 MW-53-120 7 7 5 5 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/072/23/07 3/25/07 DRAFT 4/24/07 5/24/07 6/23/07

- Privileged and7/23/07 8/22/07 9/21/07 Proprietary

Well Group 5 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 15 15 MW-35 13 13 11 11 9 9 7 7 5 5 15 15 13 MW-34 13 11 11 9 9 7 7 5 5 15 15 13 MW-33 13 11 11 9 9 Elevation (NGVD29), ft 7 7 5 5 15 15 13 MW-111 13 11 11 9 9 7 7 5 5 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 6 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 12 12 MW-58 10 10 MW-58-25 8 Open hole 8 6 6 MW-58-65 4 4

2 2 12 12 10 MW-50 10 MW-50-42 8 8 6 MW-50-42 6 4 MW-50-67 4 MW-50-67 2 2 12 12 Open hole 10 MW-55 MW-55-54 10 MW-55-24 8 8 MW-55-35 Elevation (NGVD29), ft 6 6 4 4 2 2 12 12 MW-36-26 MW-36 MW-36-26 10 10 8 MW-36-41 8 6 6 MW-36-53 4 4 2 2 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 DRAFT - Privileged and Proprietary 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 7 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 17 17 MW-57 Open hole 15 15 MW-57-20 13 13 MW-57-11 11 11 9 MW-57-45 9 7 7 12 12 MW-54 MW-54-144 10 10 8 MW-54-35, -58 8 6 MW-54-123 6 MW-54-173,-190 4 4 Waterloo System Started 2 2 15 15 MW-108 13 13 11 11 Elevation (NGVD29), ft 9 9 7 7 5 5 9 9 Canal 7 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 DRAFT - Privileged and Proprietary 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 8 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 10 10 8 MW-37 8 MW-37-32 6 6 4 4 2 MW-37-40 2 0 0 10 10 8 MW-37 8 MW-37-57 6 6 4 4 MW-37-22 2 2 0 0 9 9 Elevation (NGVD29), ft MW-52-48 7 MW-52 MW-52-open hole MW-52-18 7 5 MW-52-64 5 MW-52-11 MW-52-118 3 3 1 1 Waterloo System Started MW-52-181

-1 -1 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 DRAFT - Privileged 4/24/07 5/24/07 and 7/23/07 8/22/07 9/21/07 6/23/07 Proprietary

Well Group 9 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 9 9 MW-59 MW-59-65 7 MW-59-45 7 5 MW-59-31 5 Open hole 3 3 1 1

-1 -1 9 9 7 MW-49 MW-49-26 7 MW-49-66 5 5 3 3 1 1

-1 -1 9 9 MW-49-26 7 MW-49 MW-49-42 7 Elevation (NGVD29), ft 5 5 3 3 1 1

-1 -1 9 9 Canal 7 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 DRAFT - Privileged and Proprietary 9/21/07

Well Group 10 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 8 8 MW-63 63-50 6 6 63-93 4 MW-63 Open Hole 63-112 4 2 63-121 2 63-163 0 0

63-174 Waterloo System Started

-2 -2 8 8 6 62-53 6 MW-62 MW-62 Open Hole 62-71 4 4 62-92 2 62-138 2 MW-62-38 0 62-181 0 Waterloo System Started

-2 -2 8 8 6 MW-66-21 6 MW-61& MW-66 MW-66 Open Hole MW-61 MW-66-36 4 4 2 2 0 0

-2 -2 Elevation (NGVD29), ft 8 8 60-35 6 MW-60 6 60-53 4 Open hole 4 60-72 2 60-135 2 0 60-154 0 Waterloo System Started 60-176

-2 -2 9 9 7 7 Canal 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

0 Precipitation, in.

DRAFT - Privileged and Proprietary 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 11 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 52 52 50 MW-51 51-40 50 48 48 46 Open hole 46 44 44 42 51-79 42 40 40 38 51-135 38 51-102 36 36 Waterloo System Started 51-163 34 34 32 32 30 51-189 30 133 133 131 MW-107 131 129 129 127 127 125 125 123 123 121 121 Elevation (NGVD29), ft 119 119 117 117 115 115 113 113 38 38 36 MW-65 Open hole 36 34 34 MW-65-48 32 32 30 30 28 28 26 26 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 12 36 36 MW-43 MW-43-28 34 34 32 32 30 30 MW-43-62 28 28 26 26 39 39 MW-41 MW-41-42 37 37 35 35 33 33 31 31 29 29 27 MW-41-64 27 Elevation (NGVD29), ft 25 25 23 23 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 DRAFT - Privileged and Proprietary

Well Group 13 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 45 45 43 MW-45 MW-45-43 43 41 41 39 39 37 37 35 35 33 33 31 MW-45-62 31 29 29 27 27 25 25 41 41 39 MW-44 MW-44-67 39 37 37 35 35 33 33 31 31 29 29 Elevation (NGVD29), ft 27 27 25 MW-44-104 25 23 23 21 21 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 DRAFT 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07

- Privileged and Proprietary 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21

Well Group 14 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 62 62 MW-40 60 60 58 58 56 56 54 54 52 52 20 20 MW-46 18 18 16 16 14 14 12 12 10 10 9 9 Elevation (NGVD29), ft 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 DRAFT - Privileged and Proprietary

Well Group 15 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 12 12 10 U3-1 10 8 8 6 6 4 4 2 2 12 12 U3-2 10 10 8 8 6 6 4 4 2 2 12 12 U3-3 10 10 8 8 6 6 4 4 2 2 Elevation (NGVD29), ft 12 12 10 MW-58 MW-58-25 10 Openhole 8 8 6 6 MW-58-65 4 4 2 2 9 9 Canal 7 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 DRAFT 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07

- Privileged and Proprietary 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 16 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 12 12 10 U3-T1 10 8 8 6 6 4 4 2 2 12 12 10 U3-T2 10 8 8 6 6 4 4 2 2 12 12 MW-109 10 10 8 8 6 6 Elevation (NGVD29), ft 4 4 2 2 12 12 10 MW-58 MW-58-25 10 Open hole 8 8 6 6 MW-58-65 4 4 2 2 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 DRAFT - Privileged and Proprietary 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

Well Group 17 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07 8 8 6 U3-4S/4D U3-4D 6 4 4 2 U3-4S 2 0 0

-2 -2 8 8 6 MW-48-38 6 4 4 2 2 0 0

-2 -2 8 8 6 MW-48-23 6 4 4 2 2 0 0 Elevation (NGVD29), ft

-2 -2 8 8 6 MW-38 6 4 4 2 2 0 0

-2 -2 9 9 7 Canal 7 5 5 3 3 1 1

-1 -1 7

6 5

4 3

2 1

Precipitation, in.

0 DRAFT - Privileged and Proprietary 10/1/05 10/31/05 11/30/05 12/30/05 1/29/06 2/28/06 3/30/06 4/29/06 5/29/06 6/28/06 7/28/06 8/27/06 9/26/06 10/26/06 11/25/06 12/25/06 1/24/07 2/23/07 3/25/07 4/24/07 5/24/07 6/23/07 7/23/07 8/22/07 9/21/07

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