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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 /> 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 BC 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 /> Injection Area Wells Continued
<br /> 1/10/2008 Baseline 2:27 PM 2 110 55.91 54.09 29.07 -26.84 23.35 22.50 7.49 426 18.2 4.6 253 Clear,no odor
<br /> 4/2/2008 2nd Qtr. 5:32 PM 2 110 55.83 54.17 29.07 -26.76 23.51 30 7.74 733 20.7 5.2 45 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 5:44 PM 2 110 56.90 53.10 29.07 -27.83 22.93 22.50 7.34 999 23.4 3.9 59 Turbid,no odor
<br /> 10/22/2008 4th Qtr. 6:00 PM 2 110 59.23 50.77 29.07 -30.16 21.42 22.50 7.26 879 22.3 3.7 NA Turbid,rotten egg odor
<br /> 11/13/2008 4th Qtr./Supplemental 3:05 PM 2 110 59.72 50.28 29.07 -30.65 22.00 32 6.53 867 21.4 1.5 -75 Light gray,no odor
<br /> 1/12/2009 1 st Qtr. 1:29 PM 2 110 60.25 49.75 29.07 -31.18 20.93 22.5 6.78 1,041 20.5 4.3 161 Turbid,no odor
<br /> 4/8/2009 2nd Qtr. 3:54 PM 2 110 61.76 48.24 29.07 -32.69 20.91 22.5 7.16 1,024 21.2 2.5 123 Turbid,no odor
<br /> 7/15/2009 3rd Qtr. 3:54 PM 2 110 63.00 47.00 29.07 -33.93 19.44 22.5 7.13 1,051 23.3 5.1 116 Turbid,rotten egg odor
<br /> 10/15/2009 4th Qtr. 12:40 PM 2 110 64.62 45.38 29.07 -35.55 18.64 22.5 7.14 1,015 22.7 3.6 162 Turbid,no odor
<br /> 2/3/2010 1 st Qtr. 10:22 AM 2 110 64.51 45.49 29.07 -35.44 18.70 22.5 7.10 1,082 20.7 2.8 238 Clear,no odor
<br /> TW-13 100-Foot Sand 4/15/2010 2nd Qtr. 1:31 PM 2 110 62.57 47.43 29.07 -33.50 19.79 22.5 7.17 1,061 21.0 3.8 165 Clear,no odor
<br /> 7/8/2010 3rd Qtr. 6:06 PM 2 110 59.22 50.78 29.07 -30.15 24.86 22.5 6.97 1,131 21.7 4.1 108 Clear,no odor
<br /> 10/14/2010 4th Qtr. 12:34 PM 2 110 56.91 53.09 29.07 -27.84 25.99 22.5 7.01 1,136 21.9 3.4 93 Clear,no odor
<br /> 12/8/2010 4th Qtr. 11:59 AM 2 110 57.40 52.60 29.07 -28.33 25.75 22.5 6.80 1,260 21.8 3.1 49 Clear,no odor
<br /> 1/21/2011 1st Qtr. 3:54 PM 2 110 57.19 52.81 29.07 -28.12 25.86 22.5 6.92 1,110 20.2 3.2 193 Clear,no odor
<br /> 4/13/2011 2nd Qtr. 2:24 PM 2 110 55.28 54.72 29.07 -26.21 26.79 22.5 6.97 857 20.6 3.7 148 Clear,no odor
<br /> 7/20/2011 3rd Qtr. 8:31 AM 2 110 53.40 56.60 29.07 -24.33 27.71 15.0 6.63 978 22.2 3.1 179 Clear,no odor
<br /> 10/12/2011 4th Qtr. 2:12 PM 2 110 51.46 58.54 29.07 -22.39 28.66 52.5 7.14 642 22.2 4.5 164 Turbid,no odor
<br /> 1/25/2012 1st Qtr. 9:37 AM 2 110 51.88 58.12 29.07 -22.81 28.46 30.0 6.99 571 20.7 4.7 201 Clear,no odor
<br /> 4/25/2012 2nd Qtr. 5:15 PM 2 110 51.48 58.52 29.07 -22.41 28.65 30.0 7.21 618 21.0 7.1 112 Turbid,no odor
<br /> 3/19/2008 Baseline/2nd Qtr 1:17 PM 2 110 55.85 54.15 28.39 -27.46 24.18 30 7.57 829 19.9 2.3 163 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 11:09 AM 2 110 56.34 53.66 28.39 -27.95 24.80 30 7.43 1,016 22.1 8.2 94 Turbid,no odor
<br /> 10/22/2008 4th Qtr. 1:47 PM 2 110 58.46 51.54 28.39 -30.07 23.24 22.5 7.51 946 26.1 8.8 113 Turbid,rotten egg odor
<br /> 1/12/2009 1 st Qtr. 9:09 AM 2 110 59.52 50.48 28.39 -31.13 22.72 22.5 7.94 819 19.4 6.3 269 Turbid,no odor
<br /> 4/8/2009 2nd Qtr. 11:29 AM 2 110 60.89 49.11 28.39 -32.50 22.67 22.5 7.72 390 20.7 4.7 34 Gray,light rotten egg odor
<br /> 7/14/2009 3rd Qtr. 5:22 PM 2 110 61.93 48.07 28.39 -33.54 21.24 22.5 7.21 989 22.3 7.8 7 Turbid,no odor
<br /> 10/14/2009 4th Qtr. 2:54 PM 2 110 63.37 46.63 28.39 -34.98 20.53 45 7.66 240 21.3 4.1 60 Turbid,no odor
<br /> 2/2/2010 1st Qtr. 10:24 AM 2 110 63.62 46.38 28.39 -35.23 22.50 20.41 7.02 160 19.5 2.7 146 Turbid,no odor
<br /> TW-15 100-Foot Sand 4/14/2010 2nd Qtr. 12:54 PM 2 110 61.85 48.15 28.39 -33.46 21.58 22.5 7.19 273 20.2 2.8 134 Turbid,no odor
<br /> 7/8/2010 3rd Qtr. 9:41 AM 2 110 59.32 50.68 28.39 -30.93 24.81 22.5 7.45 859 20.7 4.6 85 Clear,no odor
<br /> 10/13/2010 4th Qtr. 12:56 PM 2 110 57.78 52.22 28.39 -29.39 25.57 22.5 7.39 971 21.7 3.8 161 Clear,no odor
<br /> 12/8/2010 4th Qtr. 11:24 AM 2 110 57.23 52.77 28.39 -28.84 25.84 22.5 7.07 1,113 22.4 3.5 99 Turbid,no odor
<br /> 1/21/2011 1 st Qtr. 1:47 PM 2 110 57.09 52.91 28.39 -28.70 25.90 22.5 7.22 74 20.5 4.0 205 Turbid,no odor
<br /> 4/14/2011 2nd Qtr. 10:32 AM 2 110 55.52 54.48 28.39 -27.13 26.67 30.0 6.82 440 19.9 3.6 142 Turbid,no odor
<br /> 7/20/2011 3rd Qtr. 3:22 PM 2 110 53.63 56.37 28.39 -25.24 27.60 30.0 7.13 667 21.9 4.3 207 Clear,no odor
<br /> 10/13/2011 4th Qtr. 9:10 AM 2 110 51.63 58.37 28.39 -23.24 28.58 30.0 7.36 580 20.6 4.4 241 Turbid,no odor
<br /> 5/2/2012 2nd Qtr. 8:12 AM 2 110 50.98 59.02 28.39 -22.59 28.90 30.0 6.90 594 20.5 6.7 176 Clear,no odor
<br /> 4/2/2008 Baseline/2nd Qtr 5:04 PM 2 110 55.05 54.95 27.29 -27.76 25.68 30 7.45 910 20.3 6.6 92 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 4:42 PM 2 110 55.35 54.65 27.29 -28.06 25.77 30 9.18 3 22.8 0.2 -296 Bright yellow,rotten egg
<br /> 10/22/2008 4th Qtr. 11:05 AM 2 110 57.51 52.49 27.29 -30.22 24.37 30 9.10 1,507 21.4 0.6 -198 Yellow,rotten egg odor
<br /> 1/9/2009 1 st Qtr. 1:26 PM 2 110 58.54 51.46 27.29 -31.25 23.87 22.5 7.05 1,515 19.8 3.4 -212 Yellow,rotten egg odor
<br /> 4/8/2009 2nd Qtr. 9:54 AM 2 110 59.95 50.05 27.29 -32.66 23.37 22.5 7.56 839 20.6 8.8 -202 Gray,rotten egg odor
<br /> 7/14/2009 3rd Qtr. 4:54 PM 2 110 60.52 49.48 27.29 -33.23 23.25 22.5 6.86 1,079 23.5 2.8 -242 Turbid,rotten egg odor
<br /> 10/12/2009 4th Qtr. 5:29 PM 2 110 61.84 48.16 27.29 -34.55 22.60 22.6 7.19 989 20.7 5.8 -199 Clear,no odor
<br /> 2/2/2010 1st Qtr. 9:41 AM 2 110 62.11 47.89 27.29 -34.82 22.50 22.47 6.98 1,046 18.4 2.2 -16 Clear,rotten egg odor
<br /> 4/14/2010 2nd Qtr. 12:19 PM 2 110 60.58 49.42 27.29 -33.29 22.87 22.5 7.20 1,153 19.7 2.3 -47 Clear,rotten egg odor
<br /> TW-16 100-Foot Sand 7/8/2010 3rd Qtr. 9:02 AM 2 110 58.42 51.58 27.29 -31.13 25.25 30 7.25 966 20.8 2.2 -101 Clear,rotten egg odor
<br /> 10/13/2010 4th Qtr. 12:10 PM 2 110 58.88 51.12 27.29 -31.59 25.03 30 7.45 1,133 21.8 3.1 35 Clear,rotten egg odor
<br /> 12/8/2010 4th Qtr. 10:52 AM 2 110 56.24 53.76 27.29 -28.95 26.32 30 7.22 1,285 21.0 4.8 -50 Gray,rotten egg odor
<br /> 1/21/2011 1 st Qtr. 1:08 PM 2 110 56.10 53.90 27.29 -28.81 26.39 30 7.05 963 20.6 2.9 95 Turbid,rotten egg odor
<br /> 4/14/2011 2nd Qtr. 9:54 AM 2 110 54.56 55.44 27.29 -27.27 27.14 30 6.98 897 20.3 2.5 190 Clear,rotten egg odor
<br /> 7/20/2011 3rd Qtr. 2:37 PM 2 110 52.83 57.17 27.29 -25.54 27.99 30 7.07 825 21.1 4.5 191 Clear,no odor
<br /> 10/13/2011 4th Qtr. 8:32 AM 2 110 51.13 58.87 27.29 -23.84 28.82 30 7.19 582 20.3 3.5 197 Turbid,no odor
<br /> 1/24/2012 1 st Qtr. 4:32 PM 2 110 50.81 59.19 27.29 -23.52 28.98 30 7.25 490 20.1 3.2 207 Clear,rotten egg odor
<br /> 4/25/2012 2nd Qtr. 5:37 PM 2 110 50.43 59.57 27.29 -23.14 29.17 30 7.22 603 20.5 5.0 98 Clear,no odor
<br /> 1/21/2011 1st Qtr. 2:18 PM 4 149.00 58.75 90.25 25.79 -32.96 176.72 180 7.57 813 18.9 10.4 241 Clear,no odor
<br /> MW-436(I-5) Intermediate 4/12/2011 2nd Qtr. 1:01 PM 4 149.00 52.95 96.05 25.79 -27.16 188.08 210 7.61 699 18.5 7.5 253 Clear,no odor
<br /> 8/9/2010 Baseline 4:20 PM 2 126.00 58.10 67.90 27.70 -30.40 400.00 400 7.82 751 22.9 5.8 62 Clear,no odor
<br /> 8/16/2010 Baseline 12:05 PM 2 126.00 57.96 68.04 27.70 -30.26 33.76 37.5 7.44 863 22.0 3.4 151 Clear,no odor
<br /> 8/23/20010 Baseline 10:13 AM 2 126.00 57.92 68.08 27.70 -30.22 33.33 37.5 7.38 883 21.4 3.3 168 Yellow,no odor
<br /> 10/14/2010 4th Qtr. 2:10 PM 2 126.00 56.81 69.19 27.70 -29.11 33.88 37.5 7.38 778 27.7 7.3 149 Light yellow,no odor
<br /> 12/6/2010 4th Qtr. 9:30 AM 2 126.00 56.68 69.32 27.70 -28.98 33.94 37.5 7.33 908 20.0 7.1 181 Light yellow,no odor
<br /> 1/25/2011 1 st Qtr. 4:53 PM 2 126.00 56.38 69.62 27.70 -28.68 34.09 37.5 7.40 726 20.8 8.2 268 Light yellow,no odor
<br /> 4/18/2011 2nd Qtr. 2:30 PM 2 126.00 54.81 71.19 27.70 -27.11 34.85 37.5 7.48 671 20.9 6.7 210 Light lime,no odor
<br /> MW-4475 Intermediate 5/23/2011 Supplemental 4:40 PM 2 126.00 53.93 72.07 27.70 -26.23 35.29 37.5 7.45 687 20.5 6.7 293 Light yellow,no odor
<br /> 6/20/2011 Supplemental 3:10 PM 2 126.00 53.52 72.48 27.70 -25.82 35.49 37.5 7.33 624 22.0 7.5 218 Clear,no odor
<br /> 7/21/2011 3rd Qtr. 5:25 PM 2 126.00 52.80 73.20 27.70 -25.10 35.84 37.5 7.54 551 21.4 7.8 247 Slight yellow,no odor
<br /> 8/22/2011 Supplemental 2:13 PM 2 126.00 51.32 74.68 27.70 -23.62 36.56 37.5 7.52 518 21.6 6.3 226 Clear,no odor
<br /> 10/17/2011 4th Qtr. 2:53 PM 2 126.00 51.00 75.00 27.70 -23.30 36.72 37.5 7.00 556 20.7 4.2 229 Clear,no odor
<br /> 1/26/2012 1st Qtr. 1:00 PM 2 126.00 50.99 75.01 27.70 -23.29 36.72 37.5 7.36 575 20.5 2.8 266 Clear,no odor
<br /> 5/2/2012 2nd Qtr. 11:55 AM 2 126.00 50.64 75.36 27.70 -22.94 36.90 37.5 7.34 517 21.5 5.1 192 Clear,no odor
<br /> Page 9 of 13
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