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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[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
<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-11B 1.09 40-45 8/21/2003 11.30 -10.21 910 180 170 14 75 0.7 <0.5 <0.5 <0.5 65 <0.5 0.8
<br /> 11/24/2003 11.39 -10.30 15,000 6,100 51 22 53 <5 <5 <5 <5 <50 <5 <5
<br /> 2/16/2004 8.50 -7.41 5,000 4,600 56 19 59 <1 <1 <1 64.0 <10 <0.5 <0.5
<br /> 5/17/2008 9.12 -8.03 9,100 4,700 59 15 38.2 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 8/24/2004 12.14 -11.05 9,400 4,900 57 16 50 <1 <1 <1 29 <10 <0.5 63
<br /> 11/15/2004 10.85 -9.76 8,500 6,300 53 14 54.5 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 4/13/2005 7.59 -6.50 9,000 6,800 78 22 54 <1 <1 <1 33 <10 <0.5 97
<br /> 8/15/2005 10.35 -9.26 19,000 13,000 56 14 51.2 <1 <1 <1 200 <10 <0.5 140
<br /> 11/14/2005 11.42 -10.33 13,000 8,200 39 10 34.8 <1 <1 <1 120 <10 <0.5 95
<br /> 2/13/2006 7.65 -6.56 19,000 15,000 160 47 341 <1 <1 <1 120 <10 <0.5 93
<br /> 5/15/2006 6.69 -5.60 10,000 4,600 34 9.9 32.6 <1 <1 <1 7.4 <10 <0.5 16
<br /> 8/14/2006 9.67 -8.58 12,000 5,200 21 6.8 26.4 <1 <1 <1 83 <10 <0.5 4.3
<br /> 11/13/2006 10.50 -9.41 10,000 2,900 20 13 29.4 <1 <1 <1 64 <10 <0.5 61
<br /> 2/12/2007 8.76 -7.67 9,300 2,900 24 14 32.4 <1 17 <1 66 <10 <0.5 64
<br /> 5/14/2007 8.89 -7.80 6,500 2,500 18 7.4 26.3 <1 <1 <1 94 <10 <0.5 61
<br /> 8/14/2007 11.08 -9.99 7,000 2,800 24 6.5 26.6 <1 <1 <1 27 <10 <0.5 47
<br /> 11/12/2007 11.38 -10.29 6,800 3,000 27 9.0 34.7 <1 <1 <1 7.6 <10 <0.5 38
<br /> 2/11/2008 7.20 -6.11 7,200 3,000 26 8.4 28.9 <1 <1 <1 5.7 <10 <0.5 29
<br /> 8/11/2008 11.11 -10.02 12,000 7,000 16 <0.5 <0.6 <1 <1 <1 400 <10 <0.5 110
<br /> 11/10/2008 11.25 -10.16 8,900 3,000 15 <0.5 <0.6 <1 <1 <1 91 <10 <0.5 52
<br /> 9/30/2009 12.35 -11.26 -- -- -- -- -- -- -- -- -- -- -- --
<br /> 6/27/2012 10.00 -8.91
<br /> 12/27/2013 10.75 -9.66
<br /> 9/25/2017 10.80 -9.71 15,000 5,300 <120 <120 <120 <120 <120
<br /> 9/25/2018 11.20 -10.11 14,000 2,900 <50 <50 <50 <50 <50
<br /> 7/8/2020 9.62 -8.53 1,600 4,000 <50 <50 <50 <50 <50
<br /> 10/27/2022 -- -- 2,680 1,880 14.6 2.9 11.0 <2.5 <2.5 <2.5 <2.5 <25 <0.5 <0.5
<br /> FREY Environmental,Inc. Table 1-Page 19 of 32 Project No.1175-01
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