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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 IDDep[h to Water Groundwater TOC ft am 1) Sample Date (ft below TOC Elevation TON Total 1 2-DCP 1,2,3-TCP DBCP EDB ( ) ) (feet amsl) (mg/L) Ammonia-N (pg/L) (pg/L) (pg/L) (pg/L) (mg/L) CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 CDPH Response Level I Notification Level 0.510.005 MW-17A 2/17/2010 58.10 -31.80 9.14 - <1.0 0.013 --- --- (cont.) 10/2512010 - - - - - - --- --- 3/20/2011 48.75 -22.45 - - - - --- --- 8/23/2011 46.34 -20.04 21 - <1.0 <0.0050 --- 4/2312012 46.07 -19.77 - - - - - 9/5/2012 46.97 -20.67 14 --- <1.0 0.0069 <5.0 <1.0 3/4/2013 49.10 -22.80 - - - - - 9/5/2013 57.82 -31.52 16.4 --- <0.50 0.016 - - 2/10/2014 51.22 -24.92 - - -- - - 9/15/2014 57.01 -30.71 11.3 --- <0.50 <0.0050 - - 3/16/2015 56.19 -29.89 - -- - - - 8/17/2015 DRY - - --- --- - - - 3/7/2016 58.76 -32.46 - --- --- - - - 8/9/2016 DRY - --- -- --- - - - 2/1412017 49.53 -23.23 MW-18A 8/2/2001 57.24 -27.88 -053 0.12 <1.0 1.1 0.023 NO 29.36 3/21/2002 56.38 -27.02 11 0.44 5.6 1.5 0.085 0.037 9/12/2002 63.58 -34.22 10.9 <0.5 <0.5 0.4 -0.02 <0.02 3/21/2003 60.99 -31.63 33.2 1.6 <0.5 0.33 <0.02 <0.02 7/9/2003 62.40 -33.04 21.8 <0.5 <0.5 0.19 <0.02 <0.02 1/7/2004 63.52 -34.16 30.9 <0.5 <0.5 0.21 <0.02 -0.02 7/8/2004 64.05 -34.69 0.53 <0.10 -1.0 0.23 <0.020 <0.020 1/512005 66.36 -37.00 38 <0.10 <1.0 0.19 <0.020 -0.020 7/13/2005 59.78 -30.42 27 <0.1 <1.0 0.41 <0.02 <0.02 1/30/2006 48.61 -19.25 32 0.21 <1.0 0.87 <0.020 <0.020 8/2/2006 48.97 -19.61 35 <0.10 <1.0 0.74 <0.020 <0.020 1/23/2007 51.25 -21.89 5.2 <0.10 <1.0 0.32 <0.020 <0.020 7/17/2007 53.46 -24.10 39 0.21 <1.0 0.55 <0.020 <0.020 2/26/2008 55.15 -25.79 20 <0.10 <1.0 0.26 <0.020 <0.020 7/31/2008 60.00 -30.64 38 - <1.0 0.24 <0.010 <0.010 9/25/2009 65.72 -36.36 35.8 <1 <0.5 0.25 <0.025 <0.025 10/25/2010 56.99 -27.63 32 --- <1.0 0.28 0.033 <0.010 3/20/2011 50.57 -21.21 - - - - - 8/24/2011 48.75 -19.39 28 - <1.0 0.36 <0.010 <0.010 4/23/2012 48.87 -19.51 - - - - - - 9/6/2012 50.00 -20.64 43 - <1.0 0.59 <0.010 <0.010 3/412013 52.77 -23.41 - - - - - - 9/10/2013 55.66 -26.30 25.0 - <0.50 0.26 <0.0096 <0.0096 2/10/2014 54.43 -25.07 - - - - - - 9/16/2014 61.34 -31.98 25.7 - <0.50 0.38 -0.0098 <0.0098 3/16/2015 59.93 -30.57 - - - - - - SM8/2015 65.21 -35.85 21.3 - <0.50 0.28 <0.0097 <0.0097 3/7/2016 62.26 -32.90 - - - - - - 8/10/2016 DRY - - - - - -2/1412017 47.25 -17.89 MW-19A 12/23/2002 57.37 -32.60 3.9 1.2 <1O -0.02 <0.02 <0.02 24.77 3/21/2003 56.79 -32.02 7.8 1.3 <0.5 <0.02 -0.02 <0.02 5/29/2003 56.03 -31.26 9.2 <0.5 <0.5 -0.02 <0.02 <0.02 7/10/2003 57.90 -33.13 8.7 <0.5 <0.5 -0.02 <0.02 <0.02 10/9/2003 61.35 -36.58 8.7 <0.5 <0.5 <0.02 -0.02 <0.02 1/8/2004 59.51 -34.74 9.2 <0.5 <0.5 <0.02 <0.02 <0.02 7/8/2004 58.74 -33.97 <0.1 <0.10 <1.0 <0.005 <0.020 <0.020 1/5/2005 61.65 -36.88 8.9 <0.10 <1.0 -0.005 <0.020 -0.020 7/14/2005 54.88 -30.11 5.8 <0.1 <1.0 -0.005 <0.02 <0.02 1/31/2006 51.49 -26.72 6.9 0.35 <1.0 <0.050 0.081 <0.020 8/2/2006 47.93 23.16 5.5 <0.10 <7.0 <0.0050 <0.020 <0.020 1/24/2007 48.16 -23.39 20 <0.10 <1.0 <0.0050 <0.020 <0.020 7/16/2007 50.08 -25.31 4.8 0.21 <10 <0.0050 <0.020 -0.020 2/26/2008 51.07 -26.30 2.4 <0.10 <1.0 <0.0050 -0.020 -0.020 7/30/2008 54.77 -30.00 5.1 - --- <0.0050 <0.010 <0.010 9/24/2009 61.68 -36.91 5.87 1.12 --- <0.025 <0.025 <0.025 10/25/2010 52.54 -27.77 5 - - <0.005 <0.010 <0.010 3/20/2011 49.04 -24.27 - - - - - - 8/22/2011 46.48 -21.71 3.8 -- --- <0.0050 <0.010 <0.010 4/23/2012 44.78 -20.01 - --- --- --- --- -