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TABLE 2 HISTORICAL GROUNDWATER ELEVATION AND ANALYTICAL DATA Crop Production Services,Inc. 1905 N.Broadway Avenue Stockton,California Nitrogen Compounds VOCs Fumigants Well ID Groundwater Depth to Water Total Sample Date Elevation TON 1,2,-DCP 1,2,3 TCP DBCP EDB (TOC k am 1) (k below TOC) (feet amsl) Ammonia-N (mg/L) (m9/L) (p91L) (N91L) (N91L) (P91L) CDPH Maximum Contaminant Level 10 6.0 0.2 0.05 CDPH Response Level I Notification Level 0.610.006 MW-6 3202000 39.68 -10.74 29.1 <0.0824 3.7 0.54 0.07 <0.02 (cont.) 9/18/2000 53.08 -24.14 2.54 <0.0824 <1.0 <1.0 0.05 <0.02 3282001 51.68 -22.74 40.1 0.156 8.5 1.4 0.0777 <0.02 8/62001 57.31 -28.37 85 <0.082 120 8.5 0.38 0.64 3/192002 56.17 -27.23 89 <0.082 54 5.4 0.25 1.0 3/192002 D - - - 45 5.3 0.2 0.98 9/112002 63.70 -34.76 129 <0.5 36 2.8 0.14 0.28 3212003 60.60 -31.66 89 0.3 110 7.8 0.32 2.7 7/102003 62.31 -33.37 31.9 <0.5 36 5.6 0.13 0.37 1/82004 63.22 -34.28 84.4 <0.5 92 11 0.52 2.2 7/82004 63.93 -34.99 <0.10 <0.10 34 6.3 0.13 0.25 1/52005 66.10 -37.16 15 <0.10 4.9 0.59 <0.020 <0.020 7/142005 58.70 -29.76 3.5 <0.1 13 0.93 <0.02 0.11 2/12006 47.59 -18.65 16 1.1 15 2.2 0.069 0.076 8/22006 49.03 -20.09 23 <0.10 20 2.2 <0.020 <0.020 1242007 50.75 -21.81 20 <0.10 53 4.8 0.20 0.26 7/172007 53.02 -24.08 46 0.21 19 2.1 0.061 0.12 2262008 53.10 -24.16 12 <0.10 0.0 0.048 <0.020 <0.020 7/302008 59.80 -30.86 52 0.21 35 4.2 0.082 0.17 1292009 63.91 -34.97 140 0.39 160 17 0.71 1.0 925/2009 67.48 -38.54 103 1.4 99 11 0.53 0.68 2/182010 60.47 -31.53 80.2 0.98 110 14 0.62 0.79 10262010 56.82 -27.88 73 0.39 81 8.0 0.18 0.22 3202011 48.32 -19.38 90 0.11 68 7.4 0.36 0.60 823/2011 48.48 -19.54 81 0.39 85 11 0.28 0.54 4242012 48.49 -19.55 110 0.28 77 11 0.24 0.44 9/52012 49.58 -20.64 41 0.22 28 3.9 0.093 0.12 3/42013 52.67 -23.73 69.3 0.43 46 3.5 0.15 0.21 9/102013 55.61 -26.67 32.4 0.529 4.9 0.53 <0.0096 0.010 2/112014 53.77 -24.83 80.3 0.343 31 3.3 0.074 0.073 9/172014 61.36 -32.42 53 1.0 14 2.5 0.032 0.028 3/172015 59.58 -30.64 38 0.212 20 3.3 0.052 0.051 8/192015 65.24 -36.30 13.3 0.259 3.6 0.64 <0.0097 <0.0097 3/82016 62.09 -33.15 56 1.14 65 5.9 0.20 0.140 3/82016 D - - 57 1.42 57 6.0 0.17 0.110 8/102016 65.36 -36.42 20.0 0.163 8.8 1.2 0.016 <0.0098 2/14/2017 46.40 -17.46 55.4 0.226 43 6.0 0.12 0.082 MW-8 320/1996 48.87 -19.40 9.5 - - - - --- 29.47 6/11/1996 56.18 -26.71 49.5 --- 20 - - 6/11/1996 D - - 41 --- 32 - - - 924/1996 63.52 -34.05 144 - 11 - - - 3/19/1997 49.33 -19.86 25 3.2 5.9 - <0.01 <0.02 3/19/1997 D - - 27 0.53 6 - <0.01 <0.02 9/17/1997 62.64 -33.17 160 30 49 - 0.17 0.61 3/19/1998 45.30 -15.83 7.4 1.2 <0.5 2.2 0.07 <0.02 11/5/1998 51.77 -22.30 87.6 - 20.2 2.48 0.12 0.02 111/511998 D - - 87.7 - 18.6 2.08 0.09 0.04 3/18/1999 40.80 -11.33 5.15 0.29 <0.5 <0.5 0.08 <0.02 928/1999 52.39 -22.92 84 4.86 18.3 1 0.04 <0.02 3202000 38.31 -8.84 8.42 0.73 <1.0 5.7 0.08 <0.02 9/182000 53.68 -24.21 122 8.33 24 4.5 0.13 <0.02 3282001 52.07 -22.60 25.6 4.52 14 8.1 0.207 <0.02 8162001 58.09 -28.62 180 24 41 5 0.12 0.023 3202002 56.54 -27.07 65 20 74 15 0.34 0.17 7/142005 59.34 -29.87 79 - 48 8.5 <0.02 <0.02 822006 49.59 -20.12 27 - 1.5 1.1 0.055 <0.020 8/82006 - - - 0.84 12 2.9 0.11 0.041 7/172007 54.19 -24.72 120 - 17 3.9 0.12 0.052 7/312008 60.66 -31.19 - - 5.6 - - 2/182010 60.36 -30.89 237 7.7 160 - --- 10262010 57.42 -27.95 - - - 9.7 - 3202011 47.16 -17.69 - - - - - - 8222011 48.72 -19.25 - - - - - - 4/232012 48.72 -19.25 -- - - --- - - 9/7/2012 1 50.06 1 -20.59 2.5