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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 141
<br /> No. (ft-msl) (ft-b s) Sampled (feet) (ft-msl) (u 4) (u ) (u /l) (u ) (u /1) (u 4) (u /1) (u /1) (u (u ) (u ) (u )
<br /> 6/16/2014 11.38 -9.42 20,000 13,000 160 30 104 <1 22 <10 220
<br /> MW-15 12/2/2014 12.72 -10.76 11,000 8,100 140 31 71 -- 120 -- 210
<br /> (Cont.) 6/8/2015 11.49 -9.53 -- -- -- -- -- --
<br /> 12/14/2015 13.52 -11.56 11,400 6,340 97.2 16.3 43.6 <5 <5 <5 <5 <50 <2.5
<br /> 6/27/2016 11.40 -9.44 14,600 5,320 66.5 <25 <50 <50 <50 <50 <50 <500 <25
<br /> 9/25/2017 11.56 -9.60 21,000 5,600 <170 <170 <170 <170 <170 <170 <170 <670 --
<br /> 9/25/2018 11.95 -9.99 23,000 8,500 <500 <500 <500 <500 <500 <500 <500 <2,000
<br /> 12/6/2018 10.35 -8.39 11,000 2,800 <100 <100 <100 <100 <100 <100 <100 <400
<br /> 7/9/2020 10.26 -8.30 680 160 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <50 --
<br /> 10/27/2022 12.32 -10.36 4,680 3,490 32.3 5.9 35.4 <2.5 <2.5 <2.5 <2.5 <25 <0.5 <0.5
<br /> MW-16 1.84 69.5-79.5 8/13/2007 13.65 -11.81 21,000 3,700 700 300 1,530 <1 <1 <1 15 <10 <0.5 65
<br /> 11/12/2007 13.25 -11.41 20,000 4,100 230 320 1,200 <1 <1 <1 18 <10 <0.5 160
<br /> 2/11/2008 10.70 -8.86 26,000 4,600 380 160 940 <1 <1 <1 33 <10 <0.5 130
<br /> 5/12/2008 11.82 -9.98 29,000 5,000 210 120 450 <1 <1 <1 420 <10 <0.5 110
<br /> 8/11/2008 13.70 -11.86 30,000 6,900 160 110 320 <1 <1 <1 420 <10 <0.5 120
<br /> 11/10/2008 13.36 -11.52 28,000 4,800 71 54 204 <1 <1 <1 400 <10 <0.5 62
<br /> 9/30/2009 14.48 -12.64 28,000 5,300 48 22 68.8 <1 <1 <1 300 <10 <0.5 76
<br /> 11/3/2010 13.08 -11.24 22,000 6,600 47 25 66 -- -- -- 110 -- -- 68
<br /> 12/19/2011 11.58 -9.74 6,700 2,900 35 13 38.2 23 48
<br /> 6/27/2012 11.94 -10.10 7,000 3,400 39 11 30.3 -- 5.9 6.7
<br /> 12/27/2013 11.77 -9.93 7,500 3,500 52 15 44.2 <1 7.5 <10 74
<br /> 6/16/2014 12.58 -10.74 7,700 7,000 55 11 28.9 <1 43 <10 120
<br /> 12/2/2014 12.94 -11.10 8,600 4,300 69 17 43.5 -- 78 -- 140
<br /> 6/8/2015 12.80 -10.96 5,800 4,100 41 10 26.7 -- <1 -- 130
<br /> 12/14/2015 13.50 -11.66 5,510 3,950 41.2 8.6 24.4 <5 <5 <5 <5 <50 <2.5
<br /> 6/27/2016 12.82 -10.98 7,230 3,080 32.5 <12.5 33.3 <25 <25 <25 <25 <250 <12.5
<br /> 9/25/2017 11.35 -9.51 9,300 3,600 <100 <100 <100 -- -- -- <100 -- <100
<br /> 9/25/2018 11.86 -10.02 14,000 3,600 <50 <50 <50 <50 <50
<br /> 12/5/2018 10.62 -8.78 -- -- -- -- -- -- --
<br /> 7/9/2020 10.55 -8.71 5,900 2,900 <50 <50 <50 <50 <50
<br /> 10/27/2022 12.37 -10.53 4,720 3,700 20.6 4.6 17.0 24.0 <2.5 <2.5 <2.5 <25 <0.5 <0.5
<br /> FREY Environmental,Inc. Table 1-Page 25 of 32 Project No.1175-01
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