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TABLE 1 Historical Groundwater Levels and Chemical Analysis Results For TPHH,BTEX,&Fuel Oxygenates Boulevard Automotive 2151 Country Club Boulevard Stockton,California Well Screen Depth to Groundwater TPHg/ Ethyl- Total Well Elevation[1] Interval Date Groundwater[2] Elevation TPPH[3] Benzene[4] Toluene[4] benzene[4] Xylenes[4] MTBE[4] DIPE[41 ETBE[4] TAME[4] TBA[4] EDB[4] 1,2-DCA[41 No. (ft-msl) (ft-b s) Sampled (feet) (ft-msl) (u 4) (u (u /l) (u ) (u /1) (u ) (u ) (u /l) (u (u ) (u /1) (u MW-10C 1.32 70-75 8/21/2003 14.45 -13.13 5,400 2,400 33 110 72 <12 <12 <12 <12 <120 <12 <12 11/24/2003 13.34 -12.02 1,500 560 92 7.5 15 <5 <5 <5 <5 560 <5 9 2/16/2004 11.39 -10.07 2,700 160 31 59 81 <1 <1 <1 <1 <10 <0.5 <0.5 5/17/2004 12.95 -11.63 4,700 3,300 870 30 121 <1 <1 <1 <1 <10 <0.5 13 8/24/2004 15.01 -13.69 5,500 4,800 350 40 102 <1 <1 <1 <1 <10 <0.5 41 11/15/2004 13.43 -12.11 500 110 14 7.6 18.2 <1 <1 <1 <1 <10 <0.5 6.2 4/13/2005 10.42 -9.10 250 140 7.1 4.7 16.6 <1 <1 <1 5.1 <10 <0.5 4.5 8/15/2005 14.29 -12.97 550 230 64 18 84 <1 <1 <1 13 <10 <0.5 8.6 11/14/2005 13.34 -12.02 440 140 8.9 7.3 22.4 <1 <1 <1 7.4 <10 <0.5 5.5 2/13/2006 10.67 -9.35 390 91 12 7.6 29.9 <1 <1 <1 4.9 <10 <0.5 6.5 5/15/2006 9.56 -8.24 500 130 15 14 52 <1 <1 <1 2.7 <10 <0.5 3.7 8/14/2006 12.42 -11.10 1,100 230 42 38 158 <1 <1 <1 13 <10 <0.5 <0.5 11/13/2006 12.30 -10.98 1,000 200 16 17 103 <1 <1 <1 24 <10 <0.5 2.6 2/12/2007 10.87 -9.55 920 220 15 12 42.6 <1 <1 <1 3.9 <10 <0.5 5.5 5/14/2007 11.35 -10.03 1,100 180 11 23 68 <1 <1 <1 9.7 <10 <0.5 5.8 8/14/2007 13.19 -11.87 1,100 160 8.3 15 40.2 <1 <1 <1 5.1 <10 <0.5 4.8 11/12/2007 12.74 -11.42 1,400 230 14 45 131 <1 <1 <1 62 <10 <0.5 12 2/11/2008 10.21 -8.89 2,000 210 14 43 108 <1 <1 <1 4.5 <10 <0.5 6 5/12/2008 11.51 -10.19 2,000 250 <0.5 33 81 <1 <1 <1 44 <10 <0.5 3.6 8/11/2008 13.19 -11.87 3,200 370 7.4 73 182 <1 <1 <1 68 <10 <0.5 9.2 11/10/2008 12.81 -11.49 1,800 150 5.2 19 40 <1 <1 <1 16 <10 <0.5 <0.5 9/30/2009 13.96 -12.64 -- -- -- -- -- -- -- -- -- -- -- 6/25/2010 11.75 -10.43 11/3/2010 12.50 -11.18 5/2/2011 9.82 -8.50 12/19/2011 11.00 -9.68 6/27/2012 11.40 -10.08 12/27/2013 11.29 -9.97 9/25/2017 10.97 -9.65 700 200 <5.0 <5.0 <5.0 <5 <5 9/21/2018 11.30 -9.98 -- -- -- -- -- -- -- 11/04/2022 -- -- 740 440 3.6 4.6 2.5 <2.5 <2.5 <2.5 <2.5 <25 <0.5 <0.5 FREY Environmental,Inc. Table 1-Page 15 of 32 Project No.1175-01