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TABLE 1
<br /> Historical Groundwater Levels and Chemical Analysis Results
<br /> For TPHH,BTEX,&Fuel Oxygenates
<br /> Boulevard Automotive
<br /> 2151 Country Club Boulevard
<br /> Stockton,California
<br /> Well Screen Depth to Groundwater TPHg/ Ethyl- Total
<br /> Well Elevation[1] Interval Date Groundwater 121 Elevation TPPH[3] Benzene[4] Toluene[4] benzene[41 Xylenes[41 MTBE[41 DIPE[41 ETBE[4] TAME[41 TBA[41 EDB[41 1,2-DCA[41
<br /> No. (ft-msl) (It-b s) Sampled (feet) (ft-msl) (u 4) (u (u /l) (u ) (u /1) (u ) (u ) (u /l) (u (u ) (u ) (u
<br /> MW-10B 1.32 40-45 8/21/2003 11.60 -10.28 6,200 2,900 30 28 36 <12 <12 <12 <12 <120 <12 <12
<br /> 11/24/2003 11.46 -10.14 1,200 420 37 7.3 16 2.8 <2.5 <2.5 <2.5 550 <2.5 11
<br /> 2/16/2004 8.72 -7.40 2,700 1,200 280 24 88 <1 <1 <1 <1 <10 <0.5 16.0
<br /> 5/17/2004 9.59 -8.27 990 91 12 19 17.2 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 8/24/2004 11.86 -10.54 1,000 110 28 16 27 <1 <1 <1 5.5 <10 <0.5 5.2
<br /> 11/15/2004 11.00 -9.68 2,500 2,400 320 40 225 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 4/13/2005 8.26 -6.94 12,000 8,500 530 170 600 <1 <1 <1 46 <10 <0.5 100
<br /> 8/15/2005 10.91 -9.59 14,000 7,200 2,100 320 2,020 <1 <1 <1 130 <10 <0.5 88
<br /> 11/14/2005 11.56 -10.24 10,000 5,200 47 47 206 <1 <1 <1 98 <10 <0.5 78
<br /> 2/13/2006 8.12 -6.80 10,000 5,700 33 23 94 <1 <1 <1 98 <10 <0.5 71
<br /> 5/15/2006 7.22 -5.90 22,000 4,200 800 130 52 <1 <1 <1 42 <10 <0.5 17
<br /> 8/14/2006 10.00 -8.68 31,000 5,500 2,600 500 2,950 <1 <1 <1 95 <10 <0.5 1.7
<br /> 11/13/2006 10.68 -9.36 9,300 3,700 28 24 86 <1 17 <1 71 <10 <0.5 69
<br /> 2/12/2007 8.98 -7.66 11,000 5,000 44 53 180 <1 <1 <1 17 <10 <0.5 53
<br /> 5/14/2007 9.22 -7.90 9,000 3,800 36 34 118 <1 <1 <1 94 <10 <0.5 61
<br /> 8/14/2007 11.32 -10.00 11,000 2,600 38 11 65 <1 <1 <1 62 <10 <0.5 40
<br /> 11/12/2007 11.55 -10.23 14,000 3,200 29 23 62 <1 <1 <1 7.1 <10 <0.5 39
<br /> 2/11/2008 7.75 -6.43 20,000 4,700 53 46 113 <1 <1 <1 5.1 <10 <0.5 16
<br /> 5/12/2008 9.27 -7.95 20,000 5,000 37 37 109 <1 <1 <1 390 <10 <0.5 100
<br /> 8/11/2008 11.34 -10.02 30,000 5,200 44 86 217 <1 <1 <1 450 <10 <0.5 130
<br /> 11/10/2008 11.42 -10.10 27,000 4,000 29 28 79 <1 <1 <1 95 <10 <0.5 69
<br /> 9/30/2009 12.50 -11.18 30,000 6,200 25 15 45.2 <1 <1 <1 180 <10 <0.5 110
<br /> 6/25/2010 9.51 -8.19 26,000 3,900 32 67 108 -- -- -- 25 -- -- 58
<br /> 11/3/2010 11.30 -9.98 43,000 7,100 40 330 440 200 85
<br /> 5/2/2011 7.82 -6.50 39,000 4,000 57 190 353 30 52
<br /> 12/19/2011 10.40 -9.08 40,000 4,200 38 120 149 23 50
<br /> 6/27/2012 10.22 -8.90 42,000 6,540 28 19 28.5 92 47
<br /> 12/27/2013 10.90 -9.58 -- -- -- -- -- -- --
<br /> 12/3/2014 11.67 -10.35 16,000 5,200 34 49 47 64 100
<br /> 6/8/2015 10.82 -9.50 13,000 11,000 29 92 51 <1 97
<br /> 9/25/2017 11.37 -10.05 15,000 4,800 <120 <120 <120 <120 <120 <120 <120 <500 <120
<br /> 9/25/2018 11.44 -10.12 14,000 2,900 <50 <50 <50 <50 <50 <50 <50 <200 <50
<br /> 12/5/2018** 10.60 -9.28 9,600 3,200 <100 <100 <100 <100 <100 <100 <100 <400 --
<br /> 7/9/2020 9.68 -8.36 5,400 2,200 <50 <50 <50 <50 <50 <50 <50 <500 --
<br /> 11/04/2022 -- -- 2,540 1,930 12.5 7.4 10.9 <2.5 <2.5 <2.5 <2.5 <25 <0.5 <0.5
<br /> FREY Environmental,Inc. Table 1-Page 14 of 32 Project No.1175-01
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