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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 IDDepth to Water Groundwater Total Sample Date Elevation TON 1,2,-DCP 1,2,3-TCP DBCP EDB (TOC ft ams!) (ft below TOC) (feet amsl) Ammonia-N Ime/L) (mg/L) (p9/LI (p9/L) (p9/L) (p91L) CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 CDPH Response Level I Notification Level 0.610.005 MW-13B 10/26/2010 58.46 -27.84 2.8 0.31 <1.0 0.097 '0.010 '0.010 (cont.) 3/20/2011 47.26 -16.64 - -- - - --- --- 8/24/2011 50.00 -19.38 7.3 <0.10 <1.0 0.63 - 4/232012 49.78 -26.08 - - - - - --- 9172012 51.43 -20.81 8.5 0.73 <1.0 0.61 0.013 <0.010 3/42013 54.84 -24.22 - - - - - - 9/112013 57.64 -27.02 24.5 <0.050 0.75 1.4 0.046 <0.0096 21102014 55.40 -24.78 - - - - - - 9/172014 63.37 -33.05 20.9 0.082 <0.50 0.52 <0.0095 <0.0095 3/162015 61.89 -31.27 - - - - - - 8/192015 67.64 -37.02 49.5 <0.050 55 4.7 0.080 0.066 3!72016 63.81 -33.19 - - - - - - 8/112016 67.79 -37.17 55.0 <0.050 53 5.6 0.092 0.11 2/142017 42.88 -12.26 MW-14B 8/12001 58.84 -28.52 8.6 <0.82 7.5 2.7 0.042 0.064 30.32 3202002 57.23 -26.91 7 2.7 5.9 2.3 0.064 <0.02 9/122002 65.03 -34.71 16.2 0.67 22 4.6 0.26 0.17 3212003 62.04 -31.72 8.4 0.2 2.8 1.1 0.06 0.05 7/92003 63.59 -33.27 8.5 <0.5 3.8 1.6 0.08 0.06 1/82004 64.26 -33.94 6.8 2.0 0.82 0.90 0.05 <0.02 7/82004 65.65 -35.33 <0.10 <0.10 12 6.1 0.44 0.15 1/52005 67.23 -36.91 6.7 <0.10 <1.0 0.62 <0.020 <0.020 7/132005 60.19 -29.87 3.2 <0.1 <1.0 0.37 '0.02 <0.02 2/12006 46.93 -16.61 11 0.70 1.5 1.2 0.071 0.030 622006 50.09 -19.77 2.5 <0.10 <1.0 0.21 '0.020 <0.020 1242007 52.47 -22.15 6.2 <0.10 <1.0 0.46 <0.020 '0.020 7/172007 54.94 -24.62 2.1 0.28 2.2 1.5 0.062 0.065 2262008 55.94 -25.62 11 0.21 11 4.0 0.12 0.12 7/312008 61.48 -31.16 6.5 0.21 3.8 0.76 0.029 0.032 1282009 65.52 -35.20 3.2 0.39 <1.0 0.20 <0.010 '0.010 9252009 69.22 -38.90 11.8 3.36 21 2.4 0.14 0.27 2/172010 60.97 -30.65 21.1 0.98 63 7.4 <0.5 0.65 10/26/2010 58.09 -27.77 5.3 <0.10 <1.0 0.23 '0.010 <0.010 3202011 47.41 -17.09 5.4 0.11 1.6 0.43 0.014 0.017 8242011 49.44 -19.12 16 <0.10 1.2 4.2 0.17 <0.010 4242012 49.48 -19.16 48 <0.10 2.3 3.2 0.11 0.015 9172012 50.96 -20.64 21 0.17 <1.0 2.0 0.10 0.013 13/52013 54.31 -23.99 31.1 0.347 3.0 3.1 0.13 0.018 9/102013 57.22 -26.90 25.7 <0.050 1.9 0.90 0.035 <0.0095 2/122014 55.06 -24.74 41.2 0.201 17.0 2.80 0.110 0.049 9/172014 63.17 -32.85 48.1 0.077 64 4.7 0.040 0.042 3/172015 61.45 -31.13 32.6 0.201 30 4.0 0.072 0.069 8/19/2015 67.14 -36.82 52.5 1.07 110 9.5 0.180 0.22 3/92016 63.08 -32.76 57.5 2.04 96 10.0 0.18 0.21 8/112016 67.29 -36.97 55.8 2.29 97 12 0.21 0.34 2114/2017 43. 5 -13.03 41.8 0.807 33 4 0.069 0.069 MW-15B 822001 57.31 -28.89 2.7 7.2 4.4 1.6 0.047 0.039 28.42 3/19/2002 55.50 -27.08 2.2 <0.82 2.7 <0.5 0.013 <0.02 9/112002 63.54 -35.12 5.3 <0.5 1.6 0.25 '0.02 <0.02 3212003 60.19 -31.77 2.4 <0.1 1.9 0.23 <0.02 <0.02 7/102003 62.02 -33.60 1.8 <0.5 1.2 0.39 <0.02 -0.02 1172004 62.58 -34.16 3.9 2.0 2.6 0.57 <0.02 <0.02 7/82004 64.08 -35.66 <0.10 <0.10 <1.0 1.6 '0.020 <0.020 1/52005 65.53 -37.11 5.1 <0.10 <1.0 1.3 <0.020 <0.020 7/142005 58.37 -29.95 0.16 <0.1 <1.0 0.51 <0.02 <0.02 1/312006 45.31 -16.89 3.0 <0.10 <1.0 0.087 0.060 <0.020 822006 48.91 -20.49 1.9 <0.10 <1.0 0.014 <0.020 <0.020 1242007 50.34 -21.92 0.96 <0.10 <1.0 0.24 <0.020 <0.020 7/172007 - - - - NS - - - 2272008 - - - - NS - - - 2/18/2010 59.20 -30.78 53.7 - 58 6.6 - - 10252010 - - - - - - - - 3/202011 45.81 -17.39 - - - - - - 8232011 4757 -19.15 6.7 - <1.0 0.26 -44/23/2012 753 -19.11