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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 ft am 1) (ft below TOC) Ammonia-N (feet amsl) (mg/L) (mg/L) (Ng/L) (N9/L) (pg/L) (N9/L) CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 CDPH Response Level I Notification Level 0.6/0.005 MW-5 9/18/1995 62.63 -35.12 24 8 --- 21 --- (cont -(cont.) 12/22/1995 57.70 -30.19 11.5 --- 5.3 --- - --- 3/20/19W 50.15 -22.64 14 - 3.2 --- - -- 6/11/1996 54.82 -27.31 15.5 - 2.1 - 9/24/1996 61.95 -34.44 11.4 - 3 - - - 3/19/1997 48.69 -21.18 22 NO 2.3 - 0.51 <0.02 3/19/1997 D - - 20 NO 1.5 - 0.36 <0.02 9/16/1997 60.89 -33.38 23 NO 1.8 - 0.26 <0.02 3118/1998 45.62 -18.11 24 ND 1.9 <0.5 0.59 0.045 11/5/1998 50.20 -22.69 - - 2.15 <0.5 0.78 0.075 3/18/1999 40.89 -13.38 23 0.67 1.8 <0.5 1.3 0.026 9/28/1999 50.16 -22.65 25.5 0.12 1.99 <0.5 0.62 <0.02 3/20/2000 39.58 -12.07 23.5 <0.0824 1.8 0.55 0.56 <0.02 9/18/2000 51.40 -23.89 34.9 <0.0824 3.9 <1.0 0.83 <0.02 3/28/2001 50.28 -22.77 22.8 0.156 2.7 <1.0 0.758 <0.02 8/6/2001 55.53 -28.02 37 <0.082 <1.0 <1.0 0.77 <0.02 3/19/2002 54.83 -27.32 29 <0.082 2.9 <0.5 0.66 <0.02 9/10/2002 61.96 -34.45 36.8 <0.5 3.7 0.18 0.32 <0.02 3/21/2003 59.10 -31.59 22 0.3 2.6 0.13 0.19 <0.02 7/10/2003 60.72 -33.21 21.1 <0.5 2.5 0.21 0.37 <0.02 1/8/2004 61.85 -34.34 16.6 <0.5 2.0 0.13 0.29 <0.02 7/8/2004 62.30 -34.79 <0.1 0.46 3.6 0.18 0.31 <0.020 1/5/2005 64.49 -36.98 33 <0.10 3.5 0.14 0.24 <0.020 7/14/2005 57.28 -29.77 30 <0.1 3.9 0.15 0.51 <0.02 2/1/2006 47.69 -20.18 17 0.14 2.2 0.26 0.35 <0.020 8/2/2006 47.47 -19.96 22 <0.10 3.1 0.16 0.46 <0.020 1/24/2007 49.45 -21.94 23 <0.10 2.5 0.23 0.45 <0.020 7/17/2007 51.77 -24.26 15 0.21 3.1 0.26 0.59 <0.020 2/26/2008 53.25 -25.74 20 <0.10 <1.0 0.16 0.31 <0.020 7/30/2008 58.00 -30.49 24 - 3.8 0.19 0.35 <0.010 1/28/2009 62.23 -34.72 24 - 3.2 0.17 0.34 <0.010 9/25/2009 65.60 -38.09 28.2 2.8 1.6 0.091 0.18 <0.025 2/18/2010 59.29 -31.78 18.3 - 1.1 0.082 0.18 <0.025 10/252010 55.29 -27.78 18 - <1.0 0.055 0.063 <0.010 3202011 48.18 -20.67 8.1 --- <1.0 0.058 0.12 <0.010 8232011 47.17 -19.66 17 --- 1.1 0.14 0.14 <0.010 4242012 47.14 -19.63 28 --- <1.0 0.18 0.073 <0.010 9/52012 48.11 -20.60 13 --- 2.9 0.18 0.26 <0.010 3/42013 50.73 -23.22 26.4 --- 2.1 0.14 0.25 <0.0097 9/102013 53.78 -26.27 22.9 0.131 0.97 0.090 0.078 <0.0096 2/112014 52.41 -24.90 24 - 1.1 0.091 0.086 <0.0098 9/152014 59.30 -31.79 21 0.063 0.8 0.081 0.075 <0.0095 3/162015 58.03 -30.52 14.3 --- <0.50 0.076 0.040 <0.0097 8/182015 63.10 -35.59 17.3 --- <0.50 0.032 0.019 <0.0097 3/82016 60.37 -32.86 16.0 --- <0.50 0.052 0.038 <0.0097 8/102016 63.51 -36.00 16.9 --- <0.50 0.033 0.024 <0.0098 2/14/2017 47.30 -19.79 16.7 <0.50 0.055 0.059 <0.0098 MW-6 11(7/1994 75.38 -46.44 41 --- - - - --- 28.94 12/30/1994 74.28 -45.34 29 --- 20 - - 320/1995 60.50 -31.56 56.2 --- 80 - -- 6/15/1995 60.21 -31.27 36 --- 88 - --- --- 9/18/1995 63.35 -34.41 19.6 --- 1.9 - --- --- 121=1995 59.30 -30.36 38.3 --- 57 - - 320/1996 50.07 -21.13 40.5 --- 40 - - 3/20/1996 D - - 40.5 --- 38 - - 6/11/1996 56.05 -27.11 16.4 - 4.2 - - - 9/24/1996 63.29 -34.35 19.6 - 3.2 - - - 924/1996 D - - - - 11 - - - 3/19/1997 49.52 -20.58 27 NO 27 - 0.41 0.18 3/19/1997 D - - 30 NO 20 - 0.19 0.14 9/17/1997 - - 46 NO 31 - 0.1 0.08 3/18/1998 46.04 -17.10 42 NO 17 1.3 0.23 0.13 11/5/1998 51.52 -22.58 - 26.1 2.44 0.11 0.36 3/18/1999 41.41 -12.47 41.5 0.25 2 <0.5 0.13 0.09 9/28/1999 51.73 -22.79 1 97.3 ND 33.4 285 0.1 012