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TABLE 4
<br /> FIELD PARAMETERS AND WELL DETAILS
<br /> 2012 ANNUAL GROUNDWATER MONITORING REPORT
<br /> FORMER MARLEY COOLING TOWER SITE
<br /> STOCKTON,CALIFORNIA
<br /> Page 10 of 17
<br /> Field Parameters
<br /> Top of
<br /> Well Depth to Water Casing Groundwater Calc Dissolved
<br /> Screened Water- Diameter Well Depth Water Column Elevation Elevation Purge Vol Purge Vol pH(standard EC Temp Oxygen ORP
<br /> Well bearing Zone Sample Date Event/Purpose Sample Time (in) (ft-btoc) (ft-btoc) Length(ft) (ft-amsl) (ft-amsl) (gal) (gal) units) (AS/Cm) (°C) (mg/L) (mV) Observations
<br /> In'ection Area Wells Continued
<br /> 1/14/2008 Baseline 11:00 AM 4 184 54.70 129.30 27.06 -27.64 140.82 150 7.62 428 18.2 6.4 214 Clear,no odor
<br /> 4/2/2008 2nd Qtr. 10:33 AM 4 184 54.78 129.22 27.06 -27.72 141.41 150 7.51 777 18.5 7.2 184 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 8:04 AM 4 184 55.42 128.58 27.06 -28.36 251.77 270 7.52 893 19.6 8.0 105 Clear,no odor
<br /> 10/21/2008 4th Qtr. 1:54 PM 4 184 57.44 126.56 27.06 -30.38 247.81 240 7.43 823 19.7 8.3 247 Clear,no odor
<br /> 1/9/2009 1st Qtr. 1:04 PM 4 184 58.61 125.39 27.06 -31.55 245.52 240 7.04 841 18.6 5.6 85 Clear,no odor
<br /> 4/7/2009 2nd Qtr. 4:30 PM 4 184 59.23 124.77 27.06 -32.17 244.31 240 7.46 901 19.5 8.1 99 Clear,no odor
<br /> 7/14/2009 3rd Qtr. 1:14 PM 4 184 60.50 123.50 27.06 -33.44 241.82 240 7.32 924 22.2 9.2 189 Clear,no odor
<br /> 10/12/2009 4th Qtr. 1:58 PM 4 184 61.50 122.50 27.06 -34.44 239.86 240 7.42 838 20.1 9.6 155 Clear,no odor
<br /> 2/1/2010 1st Qtr. 4:44 PM 4 184 61.71 122.29 27.06 -34.65 239.45 240 7.62 927 18.9 7.9 212 Clear,no odor
<br /> 4/13/2010 2nd Qtr. 4:59 PM 4 184 59.93 124.07 27.06 -32.87 242.94 240 7.49 463 19.6 6.1 176 Clear,no odor
<br /> MW-323 Intermediate 7/7/2010 3rd Qtr. 3:34 PM 4 184 57.42 126.58 27.06 -30.36 247.86 270 7.46 855 21.9 6.5 113 Clear,no odor
<br /> 10/12/2010 4th Qtr. 7:12 PM 4 184 56.29 127.71 27.06 -29.23 250.07 270 7.61 863 20.1 8.0 154 Clear,no odor
<br /> 1/20/2011 1st Qtr. 3:27 PM 4 184 55.86 128.14 27.06 -28.80 250.91 270 7.53 833 19.0 7.7 269 Clear,no odor
<br /> 4/13/2011 2nd Qtr. 3:47 PM 4 184 54.01 129.99 27.06 -26.95 254.53 270 7.49 554 19.7 6.1 209 Clear,no odor
<br /> 7/20/2011 3rd Qtr. 10:02 AM 4 184 52.50 131.50 27.06 -25.44 257.49 270 7.39 668 19.8 6.3 232 Clear,no odor
<br /> 10/12/2011 4th Qtr. 2:49 PM 4 184 50.80 133.20 27.06 -23.74 260.82 270 7.68 518 19.4 6.2 223 Clear,no odor
<br /> 1/25/2012 1st Qtr. 3:52 PM 4 184 50.31 133.69 27.06 -23.25 261.78 270 7.36 445 19.1 6.0 281 Clear,no odor
<br /> 4/24/2012 2nd Qtr. 1:01 PM 4 184 50.13 133.87 27.06 -23.07 262.13 270 7.42 463 19.3 8.2 181 Clear,no odor
<br /> 7/23/2012 3rd Qtr 2:27 PM 4 184 49.62 134.38 27.06 -22.56 263.13 270 7.63 416 21.0 8.0 150 Clear,no odor
<br /> 10/22/2012 4th Qtr 10:57 AM 4 184 50.45 133.55 27.06 -23.39 261.50 270 7.51 485 17.1 10.7 243 Clear,no odor
<br /> 4/2/2008 Baseline/2nd Qtr 12:50 PM 4 186 63.87 122.13 23.65 -40.22 185.78 180 7.65 649 19.0 7.9 211 Clear,no odor
<br /> 5/20/2008 Supplemental 2:22 PM 4 186 64.32 121.68 23.65 40.67 236.30 240 7.75 594 21.0 7.5 187 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 10:04 AM 4 186 65.45 120.55 23.65 -41.80 236.04 240 7.70 732 19.5 8.0 41 Clear,no odor
<br /> 10/22/2008 4th Qtr. 10:42 AM 4 186 55.94 130.06 23.65 -32.29 254.67 270 7.72 674 19.4 8.2 265 Clear,no odor
<br /> 1/9/2009 1st Qtr. 11:24 AM 4 186 68.48 117.52 23.65 -44.83 230.11 240 7.15 685 18.8 6.7 60 Clear,no odor
<br /> 4/7/2009 2nd Qtr. 8:39 AM 4 186 69.48 116.52 23.65 45.83 228.15 240 7.67 739 18.8 6.8 79 Clear,no odor
<br /> 7/15/2009 3rd Qtr. 8:24 AM 4 186 70.73 115.27 23.65 -47.08 225.71 240 7.61 787 20.9 10.8 159 Clear,no odor
<br /> 10/14/2009 4th Qtr. 10:47 AM 4 186 59.41 126.59 23.65 -35.76 247.87 270 7.60 793 19.4 7.8 248 Clear,no odor
<br /> 2/2/2010 1st Qtr. 11:44 AM 4 186 72.24 113.76 23.65 -48.59 222.65 240 7.56 890 18.0 8.7 242 Clear,no odor
<br /> 4/14/2010 2nd Qtr. 2:34 PM 4 186 67.38 118.62 23.65 43.73 232.26 240 7.52 863 19.6 7.8 173 Clear,no odor
<br /> 7/8/2010 3rd Qtr. 10:52 AM 4 186 67.53 118.47 23.65 -43.88 231.98 240 7.61 808 20.6 8.2 130 Clear,no odor
<br /> 10/13/2010 4th Qtr. 2:09 PM 4 186 65.18 120.82 23.65 41.53 236.58 240 7.73 760 20.3 7.2 194 Clear,no odor
<br /> MW-324(I-10) Intermediate 12/6/2010 4th Qtr. 2:02 PM 4 186 53.60 132.40 23.65 -29.95 259.25 270 7.57 884 19.2 8.1 224 Clear,no odor
<br /> 1/21/2011 1st Qtr. 5:24 PM 4 186 65.64 120.36 23.65 41.99 235.68 240 7.60 720 18.7 9.7 269 Clear,no odor
<br /> 4/14/2011 2nd Qtr. 11:54 AM 4 186 63.92 122.08 23.65 -40.27 239.04 240 7.67 581 19.0 8.1 222 Clear,no odor
<br /> 5/23/2011 Supplemental 3:17 PM 4 186 50.17 135.83 23.65 -26.52 265.97 270 7.58 680 19.8 7.7 318 Clear,no odor
<br /> 6/20/2011 Supplemental 1:39 PM 4 186 63.20 122.80 23.65 -39.55 240.45 240 7.50 615 20.9 8.1 229 Clear,no odor
<br /> 7/20/2011 3rd Qtr. 5:19 PM 4 186 63.00 123.00 23.65 -39.35 240.85 240 7.70 589 20.8 8.0 232 Clear,no odor
<br /> 8/22/2011 Supplemental 8:39 AM 4 186 62.11 123.89 23.65 -38.46 242.59 240 7.53 524 19.2 8.6 152 Clear,no odor
<br /> 10/13/2011 4th Qtr. 10:35 AM 4 186 61.70 124.30 23.65 -38.05 243.39 240 7.68 480 19.3 8.5 246 Clear,no odor
<br /> 1/25/2012 1st Qtr. 12:59 PM 4 186 61.19 124.81 23.65 -37.54 244.39 240 7.40 418 18.6 7.4 268 Clear,no odor
<br /> 4/25/2012 2nd Qtr. 4:34 PM 4 186 60.93 125.07 23.65 -37.28 244.90 240 7.60 490 19.4 7.5 234 Clear,no odor
<br /> 7/24/2012 3rd Qtr 4:42 PM 4 186 46.10 139.90 23.65 -22.45 273.94 270 7.62 390 19.9 9.2 200 Clear,no odor
<br /> 10/24/2012 4th Qtr 11:02 AM 4 186 60.91 125.09 23.65 -37.26 244.94 270 7.49 464 19.9 10.4 216 Clear,no odor
<br /> 1/10/2008 Baseline 12:53 PM 4 245 55.12 189.88 28.51 -26.61 100.01 120 8.08 136 15.9 4.7 181 Clear,no odor
<br /> 4/1/2008 2nd Qtr. 4:49 PM 4 245 55.67 189.33 28.51 -27.16 98.84 120 8.00 269 19.8 5.8 150 Clear,no odor
<br /> 7/10/2008 3rd Qtr. 11:28 AM 4 245 57.31 187.69 28.51 -28.80 371.43 390 7.99 264 20.9 5.4 157 Clear,no odor
<br /> 10/21/2008 4th Qtr. 3:34 PM 4 245 59.41 185.59 28.51 -30.90 367.31 390 7.49 276 20.1 3.1 185 Clear,no odor
<br /> 1/8/2009 1st Qtr. 2:29 PM 4 245 61.05 183.95 28.51 -32.54 364.10 360 7.94 224 18.5 1.3 132 Clear,no odor
<br /> 4/7/2009 2nd Qtr. 10:30 AM 4 245 61.32 183.68 28.51 -32.81 363.58 360 8.32 246 20.1 1.5 336 Clear,no odor
<br /> 7/14/2009 3rd Qtr. 9:11 AM 4 245 63.92 181.08 28.51 -35.41 358.48 360 8.05 213 21.2 2.6 132 Clear,no odor
<br /> 10/12/2009 4th Qtr. 10:11 AM 4 245 64.64 180.36 28.51 -36.13 357.07 360 8.40 191 20.7 1.6 274 Clear,no odor
<br /> 2/1/2010 1st Qtr. 12:06 PM 4 245 63.43 181.57 28.51 -34.92 359.44 360 7.42 135 19.8 5.4 390 Clear,no odor
<br /> 4/13/2010 2nd Qtr. 1:06 PM 4 245 61.11 183.89 28.51 -32.60 360.08 360 7.50 171 20.8 3.4 216 Clear,no odor
<br /> MW-361 Deep 7/7/2010 3rd Qtr. 10:48 AM 4 245 58.24 186.76 28.51 -29.73 365.69 390 8.34 201 20.5 1.2 333 Clear,no odor
<br /> 10/12/2010 4th Qtr. 2:29 PM 4 245 57.94 187.06 28.51 -29.43 366.28 390 8.43 214 20.4 1.9 118 Clear,no odor
<br /> 1/20/2011 1st Qtr. 10:02 AM 4 245 57.90 187.10 28.51 -29.39 366.36 390 8.05 202 19.0 3.5 257 Clear,no odor
<br /> 4/13/2011 2nd Qtr. 8:54 AM 4 245 53.51 191.49 28.51 -25.00 374.96 390 7.73 204 18.1 5.2 387 Clear,no odor
<br /> 7/19/2011 3rd Qtr. 1:09 PM 4 245 52.52 192.48 28.51 -24.01 376.90 390 7.70 240 20.0 2.5 331 Clear,no odor
<br /> 10/12/2011 4th Qtr. 9:34 AM 4 245 51.83 193.17 28.51 -23.32 378.25 390 7.70 197 20.0 2.9 374 Clear,no odor
<br /> 1/24/2012 1st Qtr. 2:49 PM 4 245 51.60 193.40 28.51 -23.09 378.70 390 7.82 142 19.2 3.1 238 Clear,no odor
<br /> 4/25/2012 2nd Qtr. 9:09 AM 4 245 50.82 194.18 28.51 -22.31 380.22 390 7.39 175 19.4 3.0 319 Clear,no odor
<br /> 7/19/2012 3rd Qtr 10:59 AM 4 245 51.72 193.28 28.51 -23.21 378.46 390 8.01 203 20.2 1.5 205 Clear,no odor
<br /> 10/23/2012 4th Qtr 9:14 AM 4 245 52.22 192.78 28.51 -23.71 377.48 390 7.35 173 18.9 3.0 197 Clear,no odor
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