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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 Depth to Water Groundwater Total (TOC ft am 1) Sample Date e(ft below TOC Elevation TON 1,2,-DCP 1,2,3-TCP DBCP EDB (feet amsl) (m9/L) Ammonia-N (pg/L) (pglL) (pg/L) (pg/L) (mg/L) CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 CDPH Response Level/Notification Level 0.5/0.005 MW-10 9/18/2000 52.45 -23.52 36.5 -0.0824 <1.0 <10 -0.01 <0.02 (cont.) 3/29/2001 50.77 -21.84 8.54 0.12 c1.0 <1.0 <0.01 -0.02 8!7/2001 56.77 -27.84 10 4.5 <1.0 <1.0 <0.01 <0.02 3/21/2002 55.12 -26.19 8.9 0.28 0.7 <0.5 <0.01 <0.02 9/13/2002 62.97 -34.04 10.6 <0.5 <0.5 0.04 -0.02 -0.02 3/21/2003 60.28 -31.35 7.5 1.1 <0.5 <0.02 -0.02 <0.02 7/9/2003 61.37 -32.44 8.4 <0.5 <0.5 <0.02 <0.02 <0.02 1/8/2004 61.91 -32.98 6.2 <0.5 <0.5 <0.02 4.02 <0.02 7/7/2004 63.99 -35.06 <0.1 0.25 <1.0 <0.005 <0.020 <0.020 1/5/2005 64.73 -35.80 7.2 <0.10 <1.0 <0.005 <0.020 <0.020 7/14/2005 58.03 -29.10 28 <0.1 <1.0 -0.005 <0.02 <0.02 2/1/2006 43.12 -14.19 8.6 <0.10 <1.0 <0.0050 <0.020 <0.020 8/2/2006 47.38 -18.45 48 <0.10 <1.0 0.0094 <0.020 <0.020 1/242007 50.20 -21.27 19 <0.10 <1.0 <0.0050 <0.020 <0.020 7/172007 52.97 -24.04 15 0.42 <1.0 0.0057 <0.020 <0.020 2262008 54.30 -25.37 6.2 <0.10 <1.0 <0.0050 <0.020 <0.020 7/312008 59.68 -30.75 15 0.18 <1.0 - <0.010 <0.010 1282009 62.45 -33.52 11 0.17 <1.0 - <0.010 <0.010 9252009 66.23 -37.30 14.9 <1 <0.5 -0.025 <0.025 <0.025 2/172010 58.61 -29.68 6.85 0.7 <1.0 <0.025 <0.0025 <0.0025 10262010 56.35 -27.42 9.5 0.14 <1.0 - <0.010 <0.010 3202011 43.56 -14.63 7.9 <0.10 <1.0 - <0.010 <0.010 8/242011 47.68 -18.75 50 <0.10 <1.0 - <0.010 <0.010 4242012 47.74 -18.81 57 <0.10 <1.0 <5.0 -0.010 <0.010 9/52012 49.86 -20.93 150 0.11 <1.0 <5.0 <0.010 <0.010 3/42013 53.02 -24.09 116 0.201 <0.50 <0.50 <0.0098 <0.0098 9/62013 55.77 -26.84 91 <0.050 <0.50 - <0.0096 <0.0096 2/112014 54.15 -25.22 102 0.089 <0.50 - -0.0097 <0.0097 9/162014 62.11 -33.18 90 0.061 <0.50 - <0.0095 <0.0095 3/172015 60.02 -31.09 51 9.96 <0.50 <0.0050 -0.0097 0.0097 8202015 66.19 -37.26 97.5 <0.050 <0.50 - <0.0096 -0.0096 3/82016 61.74 -32.81 78.5 0.463 <0.50 --- <0.0097 <0.0097 8/102016 66.49 -37.56 77.0 <0.050 <0.50 <0.0098 <0.0098 2/142017 36.21 -7.26 11.0 < <0.50 <0.0096 <0.0096 MW-12 11/5/1998 49.39 -23.67 - - - - 0.02 <0.02 25.72 3/18/1999 42.05 -16.33 22.35 2.79 - - 0.14 0.05 928/1999 48.89 -23.17 19.4 0.16 - - 0.02 <0.02 3202000 41.99 -16.27 21.9 <0.0824 1 <1.0 0.13 <0.02 9/182000 50.11 -24.39 21.4 <0.0824 <1.0 <1.0 0.04 -0.02 3282001 49.12 -23.40 19.5 ND <1.0 <1.0 0.0789 <0.02 8/62001 53.84 -28.12 26 0.22 0.0 <1.0 - - 3/19/2002 53.74 -28.02 35 <0.082 <0.5 <0.5 0.028 <0.02 9/102002 60.65 -34.93 31.9 <0.5 <0.5 0.07 0.03 <0.02 7/92003 59.09 -33.37 34.3 <0.5 <0.5 0.04 0.02 <0.02 7/72004 60.62 -34.90 0.26 <0.10 0.0 0.066 0.044 <0.020 7/142005 55.68 -29.96 5.3 <0.1 <1.0 0.036 <0.02 <0.02 8/2/2006 47.45 -21.73 16 <0.10 <1.0 0.041 <0.020 <0.020 7/16/2007 51.03 -25.31 11 0.21 0.0 0.025 <0.020 -0.020 7/302008 55.91 -30.19 24 - <1.0 0.033 0.030 <0.010 9252009 63.15 -37.43 38.9 1.12 0.59 0.047 0.099 <0.025 10252010 53.53 -27.81 28 - 0.0 0.030 0.069 <0.010 3202011 46.76 -23.04 - - - - - - 8222011 Well Covered by Road Construction 9/152014 56.44 -30.72 27.7 -- <0.50 0.033 0.019 <0.0096 3/162015 56.00 -30.28 - - - - --- 8/182015 60.33 -34.61 31.5 --- <0.50 0.031 - 3/72016 58.40 -32.68 - - - - 8/92016 60.60 -34.88 31.9 -- <0.50 0.043 0.010 <0.0098 2/142017 MW-13A 8/12001 59.22 -28.57 27 0.6 0.0 2.2 0.039 -0.02 30.65 3/192002 57.49 -26.84 11 <0.082 <0.5 2.1 0.034 <0.02 9/12/2002 65.38 -34.73 39.1 <0.5 0.78 1.4 0.04 <0.02 7/92003 63.93 -33.28 22.9 <0.5 0.76 0.66 -0.02 -0.02 7/8/2004 66.07 -35.42 <0.1 <0.10 <1.0 0.24 <0.020 <0.020 13 00 4 -29.69 31 <0.1 <1