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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 Groundwater Well ID Depth to Water Total Sample Date Elevation TON 1,2,-DCP 1,2,3-TCP DBCP EDB (TOC ft ams!) (ft below TOC) (feet amsl) Ammonia-N Im9/LI (m9/L) (p9/L) (p9/L) (p9/L) (p9/U CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 CDPH Response Level/Notification Level 0.5/0.005 MW-8 3/4/2013 53.48 -24.01 - --- -- --- --- --- (cont.) 9/5/2013 56.38 -26.91 - --- --- --- --- 2/10/2014 54.16 -24.69 - --- --- -- -- -- 9/17/2014 62.35 -32.88 - --- -- - --- --- 3/16/2015 60.68 -31.21 - --- --- --- - 8/17/2015 66.24 -36.77 -- --- --- --- 3f7/2016 63.40 -33.93 --- --- --- -- - - 8/112016 66.35 -36.88 --- --- --- - - - 2/142017 43.78 -14.31 MW-9 3/19/1997 48.78 -22.22 21 011 - 0.04 <0.02 26.56 3/19/1997 D - - 23 NO --- - 1.2 0.03 9/16/1997 60.43 -33.87 42 3.6 <0.5 0.08 0.03 9/16/1997 D -- - 40 0.65 - --- 0.08 0.03 3/18/1998 46.59 -20.03 18 1.4 2.7 <0.5 0.77 0.12 3/18/1998 D - - 18 NO 2.5 <0.5 0.87 0.14 11/5/1998 49.85 -23.29 - - 4.31 0.76 0.65 0.11 3/18/1999 41.24 -14.68 19.8 1.43 2.1 <0.5 0.56 0.27 928/1999 49.53 -22.97 23.9 0.33 2.3 <0.5 0.36 0.02 3202000 40.67 -14.11 20.2 0.09 4 2.2 0.34 0.05 9/182000 50.86 -24.30 23 <0.0824 4.6 1.5 0.75 0.1 3282001 49.80 -23.24 18.9 0.144 5 1.5 0.582 <0.02 8162001 54.79 -28.23 35 ND 2 <1.0 0.27 0.1 3/192002 54.41 -27.85 24 <0.082 5.7 1.2 0.78 0.14 9/102002 61.49 -34.93 35.4 <0.5 1.8 0.21 0.18 0.04 3212003 58.37 -31.81 23.5 0.7 5.2 0.8 0.67 0.11 7/9/2003 60.01 -33.45 26.6 <0.5 4.7 0.67 0.56 <0.02 1/72004 61.23 -34.67 24.7 <0.5 4.4 0.78 0.67 0.09 7!7/2004 61.60 -35.04 0.34 <0.10 3.2 0.56 0.52 0.054 1/52005 63.86 -37.30 29 <0.10 <1.0 0.49 0.52 0.034 7/142005 56.37 -29.81 18 <0.1 <1.0 0.29 0.30 0.024 1/31/2006 48.56 -22.00 22 0.14 <1.0 0.52 0.27 0.022 822006 47.64 -21.08 25 <0.10 2.3 0.61 0.23 <0.020 1242007 48.79 -22.23 20 <0.10 2.4 0.70 0.23 <0.020 7/172007 51.62 -25.06 19 0.28 2.4 0.69 0.42 <0.020 2262008 52.21 -25.65 17 <0.10 2.8 0.62 0.38 0.027 7/302008 57.01 -30.45 44 - <1.0 0.078 0.035 <0.010 1282009 61.33 -34.77 21 - 2.8 0.54 0.43 0.042 9252009 64.49 -37.93 32.3 2.8 0.74 0.08 0.041 <0.025 2/182010 58.70 -32.14 23.3 -- 2.3 0.4 0.37 0.066 10252010 54.48 -27.92 24 2.0 0.26 0.34 0.013 3202011 48.62 -22.06 18 --- 1.9 0.20 0.23 0.014 8232011 46.63 -20.07 21 --- 1.9 0.27 0.21 <0.010 4242012 46.24 -19.68 110 --- 1.1 0.17 0.14 <0.010 9/52012 47.01 -20.45 33 --- <1.0 0.11 0.033 <0.010 9/52012 D - - 33 --- <1.0 0.13 0.039 <0.010 3/42013 49.61 -23.05 32 - 0.54 0.11 0.033 <0.0097 9/52013 52.64 -26.08 30.6 - 0.74 0.11 0.061 <0.0095 2/102014 Weil Covered by Road Construction 9/152014 57.97 -31.41 29.40 - 0.90 0.14 0.072 <0.0096 3/162015 57.24 -30.68 24.0 - 1.20 0.17 0.120 <0.0095 8/182015 61.83 -35.27 28.8 --- <0.50 0.051 0.013 <0.0098 3/8/2016 59.56 -33.00 13.8 - 1.10 0.12 0.097 <0.0096 8/92016 61.97 -35.41 25.6 - 0.50 0.071 0.029 <0.0097 2/142017 49.5 3 271 - 0.95 0.12 0.073 <0.0098 MW-10 1222/1995 56.07 -27.14 24.6 - - - - --- 28.93 321/1996 45.30 -16.37 21.6 --- - - - 6/11/1996 54.49 -25.56 42.8 --- <0.5 - - -- 924/1996 61.88 -32.95 27 --- <0.5 - - -- 320/1997 47.48 -18.55 46 NO 1 - - - 9/16/1997 61.19 -32.26 29 0.7 <0.5 - <0.01 <0.02 3/19/1998 42.50 -13.57 16 0.55 <0.5 -- 0.01 <0.02 11/5/1998 50.53 -21.60 - - <0.5 --- <0.01 <0.02 3/19/1999 38.25 -9.32 13 3.59 <0.5 <0.5 <0.01 <0.02 9/29/1999 51.28 -22.35 47.2 <0.0824 <0.5 <0.5 <0.01 <0.02 3/21/2000 334 -4.41 8,87 <0.0824 <1.0 <11.0 <0.01 --<0-01