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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 2 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 /> 4/2/2008 2nd Qtr. 4:13 PM 4 85 54.85 30.15 28.60 -26.25 59.03 60 7.21 787 20.8 4.0 68 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 3:26 PM 4 85 57.94 27.06 28.60 -29.34 52.98 60 7.09 921 22.0 2.5 152 Clear,no odor
<br /> 10/22/2008 4th Qtr. 6:16 PM 4 85 57.82 27.18 28.60 -29.22 53.22 60 7.08 982 21.1 2.3 52 Clear,no odor
<br /> 1/12/2009 1st Qtr. NA 4 85 59.24 25.76 28.60 -30.64 50.44 60 6.25 967 20.3 2.7 84 Clear,no odor
<br /> 4/7/2009 2nd Qtr. 9:41 AM 4 85 60.40 24.60 28.60 -31.80 48.16 60 6.96 937 20.6 1.1 29 Clear,no odor
<br /> 7/14/2009 3rd Qtr. 4:36 PM 4 85 61.86 23.14 28.60 -33.26 45.31 60 7.05 1,062 23.4 1.8 74 Clear,no odor
<br /> 10/12/2009 4th Qtr. 5:08 PM 4 85 64.01 20.99 28.60 -35.41 41.10 60 7.21 927 20.7 3.7 54 Clear,no odor
<br /> 2/2/2010 1st Qtr. 9:06 AM 4 85 63.58 21.42 28.60 -34.98 41.94 60 6.81 1,090 19.0 1.6 119 Clear,no odor
<br /> 4/14/2010 2nd Qtr. 11:54 AM 4 85 61.92 23.08 28.60 -33.32 45.19 60 7.08 1,131 20.8 2.7 Ito Clear,no odor
<br /> MW-101 Shallow 7/8/2010 3rd Qtr. 8:38 AM 4 85 57.92 27.08 28.60 -29.32 53.03 60 6.86 1,817 21.5 1.8 -5 Clear,no odor
<br /> 10/13/2010 4th Qtr. 11:36 AM 4 85 55.73 29.27 28.60 -27.13 57.31 60 7.16 1,036 23.0 2.7 128 Clear,no odor
<br /> 1/21/2011 1st Qtr. 12:41 PM 4 85 55.89 29.11 28.60 -27.29 57.00 60 7.02 1,048 20.8 2.0 167 Clear,no odor
<br /> 4/14/2011 2nd Qtr. 9:26 AM 4 85 54.03 30.97 28.60 -25.43 60.64 60 6.76 463 20.2 3.0 78 Clear,no odor
<br /> 7/20/2011 3rd Qtr. 2:16 PM 4 85 52.03 32.97 28.60 -23.43 64.56 60 6.80 710 21.4 2.7 177 Clear,no odor
<br /> 10/13/2011 4th Qtr. 8:10 AM 4 85 49.98 35.02 28.60 -21.38 68.57 90 6.85 641 20.5 7.3 304 Turbid,no odor
<br /> 1/26/2012 1st Qtr. 8:34 AM 4 85 50.76 34.24 28.60 -22.16 67.05 90 7.12 124 19.5 4.1 301 Clear,no odor
<br /> 4/24/2012 2nd Qtr. 11:54 AM 4 85 50.38 34.62 28.60 -21.78 67.79 90 7.27 119 20.4 4.2 236 Clear,no odor
<br /> 7/24/2012 3rd Qtr. 10:34 AM 4 85 50.14 34.86 28.60 -21.54 68.26 90 6.87 416 21.5 1.2 108 Clear,no odor
<br /> 10/23/2012 4th Qtr 9:39 AM 4 85 50.51 34.49 28.60 -21.91 67.53 90 6.74 570 20.7 3.2 251 Turbid,no odor
<br /> 1/10/2008 Baseline 10:51 PM 4 75 54.48 20.52 28.83 -25.65 37.43 60 7.54 619 18.1 10.3 244 Clear,no odor
<br /> 4/2/2008 2nd Qtr. 4:26 PM 4 75 55.11 19.89 28.83 -26.28 52.65 60 7.41 922 19.8 3.3 77 Clear,no odor
<br /> 7/11/2008 3rd Qtr. 3:44 PM 4 75 55.71 19.29 28.83 -26.88 51.47 60 7.25 1,427 21.3 1.4 131 Clear,no odor
<br /> 10/22/2008 4th Qtr. 4:06 PM 4 75 58.35 16.65 28.83 -29.52 46.30 60 NA NA NA NA NA NA
<br /> 1/9/2009 1st Qtr. 4:01 PM 4 75 59.88 15.12 28.83 -31.05 26.86 30 6.64 1,247 19.9 1.50 47 Clear,no odor
<br /> 4/8/2009 2nd Qtr. 1:06 PM 4 75 60.71 14.29 28.83 -31.88 41.68 60 7.18 1,240 20.8 1.10 96 Clear,no odor
<br /> 7/15/2009 3rd Qtr. 2:00 PM 4 75 62.77 12.23 28.83 -33.94 37.65 60 7.15 1,355 22.1 2.40 124 Clear,no odor
<br /> 10/15/2009 4th Qtr. 12:18 PM 4 75 64.93 10.07 28.83 -36.10 33.42 30 7.18 1,437 21.2 2.50 168 Clear,no odor
<br /> 2/3/2010 1st Qtr. 8:15 AM 4 75 63.72 11.28 28.83 -34.89 35.79 60 7.08 1,500 18.4 2.30 177 Clear,no odor
<br /> 4/15/2010 2nd Qtr. 10:41 AM 4 75 61.83 13.17 28.83 -33.00 25.79 30 7.42 1,180 19.9 2.1 179 Clear,no odor
<br /> MW-102 Shallow 7/8/2010 3rd Qtr. 4:39 PM 4 75 56.43 18.57 28.83 -27.60 36.36 60 7.38 1,061 20.7 2.3 128 Clear,no odor
<br /> 10/14/2010 4th Qtr. 10:34 AM 4 75 55.39 19.61 28.83 -26.56 38.40 60 7.40 1,235 20.7 2.2 194 Clear,no odor
<br /> 1/25/2011 1st Qtr. 3:06 PM 4 75 56.02 18.98 28.83 -27.19 37.16 60 7.24 1,251 19.5 3.7 258 Clear,no odor
<br /> 4/18/2011 2nd Qtr. 12:58 PM 4 75 52.93 22.07 28.83 -24.10 43.22 60 7.40 952 20.2 1.9 198 Clear,no odor
<br /> 8/22/2011 3rd Qtr. 4:19 PM 4 75 48.51 26.49 28.83 -19.68 51.87 90 7.20 725 21.3 2.8 206 Clear,no odor
<br /> 10/17/2011 4th Qtr. 12:16 PM 4 75 50.81 24.19 28.83 -21.98 47.37 60 7.47 725 20.4 4.0 216 Clear,no odor
<br /> 1/26/2012 1st Qtr. 10:51 AM 4 75 51.37 23.63 28.83 -22.54 46.27 60 7.41 707 19.2 2.5 287 Clear,no odor
<br /> 4/30/2012 2nd Qtr. 6:44 PM 4 75 50.39 24.61 28.83 -21.56 48.19 60 7.34 594 20.0 5.0 206 Clear,no odor
<br /> 7/25/2012 3rd Qtr. 9:36 AM 4 75 50.12 24.88 28.83 -21.29 48.72 60 7.24 640 20.0 3.4 257 Clear,no odor
<br /> 10/25/2012 4th Qtr 11:31 AM 4 75 51.20 23.80 28.83 -22.37 46.60 60 7.33 676 20.4 1.4 235 Clear,no odor
<br /> 1/10/2008 Baseline 12:26 PM 4 90 55.90 34.10 29.27 -26.63 56.78 60 7.16 589 16.8 5.4 200 Clear,no odor
<br /> 4/1/2008 2nd Qtr. 5:48 PM 4 90 55.69 34.31 29.27 -26.42 17.93 30 7.23 1,010 20.0 6.5 42 Turbid,no odor
<br /> 5/20/2008 Supplemental 3:02 PM 4 90 55.94 34.06 29.27 -26.67 66.69 90 6.90 819 22.0 5.6 -40 Gray,rotten egg odor
<br /> 7/11/2008 3rd Qtr. 4:04 PM 4 90 56.65 33.35 29.27 -27.38 65.30 60 6.95 1,153 21.8 6.5 -78 Light gray,no odor
<br /> 10/21/2008 4th Qtr. 10:53 AM 4 90 58.90 31.10 29.27 -29.63 60.70 60 6.68 1,066 20.6 7.1 62 Clear,no odor
<br /> 1/9/2009 1st Qtr. 10:11 AM 4 90 60.35 29.65 29.27 -31.08 58.05 60 5.94 1,114 20.1 4.4 7 Turbid,no odor
<br /> 4/8/2009 2nd Qtr. 9:31 AM 4 90 61.31 28.69 29.27 -32.04 56.17 60 6.52 1,121 21.2 2.9 -53 Light gray,rotten egg odor
<br /> 7/15/2009 3rd Qtr. 9:11 AM 4 90 62.74 27.26 29.27 -33.47 53.37 60 6.87 1,186 22.4 8.7 -135 Clear,no odor
<br /> 10/12/2009 4th Qtr. 6:21 PM 4 90 64.70 25.30 29.27 -35.43 49.53 60 6.80 1,213 20.5 6.3 -112 Turbid,no odor
<br /> 2/2/2010 1st Qtr. 1:06 PM 4 90 64.63 25.37 29.27 -35.36 49.67 60 6.74 1,267 20.0 6.4 -21 Light gray,no odor
<br /> MW-104(S-2) Shallow 4/14/2010 2nd Qtr. 3:26 PM 4 90 62.92 27.08 29.27 -33.65 53.03 60 6.80 1,239 20.6 4.5 25 Turbid,no odor
<br /> 7/8/2010 3rd Qtr. 12:07 PM 4 90 59.02 30.98 29.27 -29.75 60.66 240 6.72 1,176 22.8 2.1 47 Clear,no odor
<br /> 10/13/2010 4th Qtr. 3:01 PM 4 90 56.48 33.52 29.27 -27.21 65.64 60 7.05 1,697 23.9 4.1 -80 Black,rotten egg odor
<br /> 1/25/2011 1st Qtr. 10:49 AM 4 90 57.09 32.91 29.27 -27.82 64.44 60 8.77 4,490 20.2 0.0 -301 Black,rotten egg odor
<br /> 4/14/2011 2nd Qtr. 1:24 PM 4 90 55.34 34.66 29.27 -26.07 67.87 90 7.40 1,961 23.3 0.0 -150 Black,rotten egg odor
<br /> 8/22/2011 3rd Qtr. 3:49 PM 4 90 51.34 38.66 29.27 -22.07 75.70 90 7.04 872 22.8 4.8 -125 Black,rotten egg odor
<br /> 10/13/2011 4th Qtr. 11:34 AM 4 90 53.15 36.85 29.27 -23.88 72.16 90 7.16 775 22.4 2.1 -43 Gray,rotten egg odor
<br /> 1/24/2012 1st Qtr. 10:29 AM 4 90 52.18 37.82 29.27 -22.91 74.06 90 7.02 695 20.9 6.0 20 Black,rotten egg odor
<br /> 4/24/2012 2nd Qtr. 12:22 PM 4 90 51.67 38.33 29.27 -22.40 75.05 120 6.78 730 22.2 7.1 29 Light gray,no odor
<br /> 7/23/2012 3rd Qtr. 4:59 PM 4 90 51.95 38.05 29.27 -22.68 74.51 90 6.95 638 22.8 2.9 -24 Brown,no odor
<br /> 10/23/2012 4th Qtr 4:44 PM 4 90 52.03 37.97 29.27 -22.76 74.35 90 6.57 597 21.9 1.4 21 Clear,no odor
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