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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 Sample Date Elevation TON Total 2;DCP 1,2,3-TCP DBCP EDO (TOC ft ams!) (ft below TOC) (feet amsl) Ammonia-N (rn9/L) (mg/L) (P91L) (P92) (p9/L) CDPH Maximum Contaminant Level 10 6.0 0.2 0.05 CDPH Response Level I Notification Level 0.5/0.005 MW-24A 2/11/2014 52.10 -25.04 194 0.123 40 2.6 1.2 <0.0097 (cont) 9/16/2014 59.23 -32.17 92 <0.050 10 1.4 0.44 <0.0095 3/17/2015 57.83 -30.77 77.5 0.074 7.6 1.3 0.33 <0.0096 8/19/2015 63.18 -36.12 115 0.053 7.3 1.4 0.46 <0.0096 3/8/2016 60.01 -32.95 62 0.060 3.0 0.83 - - 8/10/2016 63.42 -36.36 76.5 <0.050 3.1 1.1 0.36 <0.OD98 2/14/2017 44 -17.83 50.7 <0.050 0.79 E-1 8/2/2001 56.73 -27.02 620 2,000 1,800 190 8.8 12 29.71 3/20/2002 54.58 -24.87 570 1,200 2,300 230 8.7 8 9/12/2002 61.74 32.03 597 1,500 1,300 390 20 33 3/21/2003 59.18 -29.47 620 2,364 1,600 140 7.6 15 7/10/2003 60.50 -30.79 607 1,840 1,500 210 12 26 1/8/2004 61.65 31.94 484 783 1,200 150 9.3 18 7/7/2004 62.30 -32.59 480 1,700 1,300 150 12 13 1/5/2005 64.44 -34.73 240 1,700 2,100 170 7.1 4.3 7/13!2005 56.99 -27.28 240 1,200 1,800 95 6.9 6.6 2/1/2006 45.19 -15.48 100 500 910 75 1.2 0.77 8/2/2006 46.35 -16.64 160 48 140 7.6 0.33 0.60 8/8/2006 - - -- 21 160 18 0.41 0.67 1/24/2007 50.95 -21.24 0.27 340 830 56 2.1 2.7 7/17/2007 51.84 -22.13 160 660 1,100 110 5.1 6.0 2/27/2008 53.85 -24.14 190 860 550 76 2.5 3.0 7/31/2008 58.13 -28.42 180 1,500 900 110 5.6 4.4 1/28/2009 62.60 -32.89 160 1,900 730 110 6.0 7.2 9/25/2009 65.95 -36.24 594 1,610 810 160 6.6 9 2/18/2010 61.04 31.33 409 1,540 1,000 120 2.5 5.2 10/26/1010 57.62 -27.91 450 120 630 - 0.77 1.0 3/202011 48.43 -18.72 260 1,000 1,300 88 0.40 0.83 8242011 48.89 -19.18 150 920 700 57 0.89 0.99 4242012 49.16 -19.45 250 1,100 - - 0.58 2.1 9/62012 50.37 -20.66 270 490 610 67 0.60 2.0 3/52013 53.51 -23.80 510 1,020 580 72 0.95 2.0 9/102013 56.46 -26.75 604 1,570 660 82 0.91 2.6 2/122014 54.63 -24.92 660 253 930 90 0.62 2.2 9/172014 62.23 -32.52 665 1,700 610 120 0.89 2.7 9/172014 D - - 665 34.6 670 120 0.86 2.6 3/172015 60.69 -30.98 610 2,060 520 110 0.60 1.3 8/202015 66.01 -36.30 735 1,780 770 110 0.62 1.2 8202015 D - - 670 1,870 780 110 0.70 1.3 3/92016 62.71 -33.00 630 1,720 680 110 0.64 1.1 8/112016 65.93 -36.22 912 1,650 440 100 0.57 0.95 8/112016 D - - 690 1,580 470 110 0.57 1.1 2/15/2017 46.88 -17.17 407 795 1000 90 0.70 1.3 2/15/2017 D 381 890 980 94 0.64 1.2 B-ZONE WELLS MW-2B 4/24/2012 46.70 -19.16 16 0.95 <1.0 1.5 0.038 0.014 27.54 9/12012 48.24 -20.70 25 0.34 14 3.0 0.13 0.12 3/52013 51.41 -23.87 15 962 4.1 1.5 0.07 0.033 9/112013 54.13 -26.59 9.4 <0.050 1.4 0.45 0.020 0.013 2/122014 52.44 -24.90 18.6 0.341 9.0 1.8 0.076 0.056 9/172014 60.27 -32.73 31.0 1.71 1.7 1.0 0.033 <0.0095 3/172015 58.53 -30.98 10.7 0.341 0.81 1.1 0.014 0.015 8/192015 64.24 -36.70 21.6 0.089 1.7 1.8 0.067 0.026 3/92016 60.27 -32.73 19.5 1.94 1.7 1.6 0.084 0.044 8/112016 64.44 -36.90 18.7 0.065 1.5 1.7 0.10 0.043 2/15/2017 74 24.2 0.104 0.88 1.0 0.0270.010 MW-13B 8/12001 59.25 -28.63 1.2 <0.082 <1.0 <1.0 <0.01 <0.02 30.62 320/2002 57.51 -26.89 2.9 <0.82 1 <0.5 0.022 0.023 9/122002 65.44 -34.82 3.6 <0.5 0.78 0.26 0.03 0.02 7tg2003 63.96 -33.34 3.6 <0.5 <0.5 0.39 <0.02 <0.02 7/82004 66.11 -35.49 <0.10 <0.10 <1.0 0.19 <0.020 <0.020 7/132005 60.46 -29.84 20 0.49 8.1 5.2 0.59 0.12 822006 50.63 -20.01 0.74 <0.10 <1.0 0.019 <0.020 <0.020 7/17/2007 55.36 -24.74 1.3 2.7 <1.0 0.032 <0.020 <0.020 7/30/2008 61.89 -31.27 3.3 0.18 <1.0 0.099 <0.010 <0.010 9/25/2009 69.63 -39.01 3.51 <1 < 0.2 <0.025 <0.025