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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[l1 Interval Date Groundwater 121 Elevation TPPH[3] Benzene[41 Toluene[41 benzene[41 Xylenes 141 MTBE[41 DIPE[41 ETBE[4] TAME[41 TBA[41 EDB[41 1,2-DCA 141
<br /> No. (ft-msl) (ft-b s) Sampled (feet) (ft-msl) (u /1) (u (u (u /1) (u 4) (u ) (u ) (u 4) (u (u ) (u ) (u )
<br /> 4/25/2012 8.19 -6.94 7,600 1,200 23 <0.5 100 <1 <1 <1 13 <10 <0.5 27
<br /> MW-lA 5/2/2012 -- -- 9,400 2,400 35 23 102 <1 <1 <1 14 <10 <0.5 31
<br /> (Cont.) 5/9/2012 9,400 2,200 20 32 122 <1 <1 <1 11 <10 <0.5 29
<br /> 5/16/2012 -- -- 9,200 2,300 17 20 113 <1 <1 <1 19 <10 <0.5 43
<br /> 6/27/2012 9.72 -8.47 --- -- -- -- -- -- -- -- -- -- -- --
<br /> 12/27/2013 10.50 -9.25 1,000 240 <0.5 3 4.3 <1 4.6 <10 6.9
<br /> 6/16/2014 10.35 -9.10 1,500 1,200 9.6 15 11 <1 13 <10 <0.5
<br /> 12/3/2014 11.63 -10.38 1,100 170 <0.5 4.2 1.7 -- <1 -- <0.5
<br /> 6/8/2015 10.55 -9.30 --- -- -- -- -- -- -- -- --
<br /> 12/14/2015 12.05 -10.80 220 98.9 0.5t <0.5 <1 <1 <1 <1 <1 <10 <0.5
<br /> 6/27/2016 10.28 -9.03 1,860 555.0 2.7 3.0 3.0 <1 <1 <1 <1 <10 <0.5
<br /> 9/25/2017 10.42 -9.17 4,100 1,200 <25 <25 <25 <25 <25 <25 <25 <100 <25
<br /> 9/25/2018 10.82 -9.57 3,500 480 <10 <10 <10 <10 <10 <10 <10 <40 <10
<br /> 12/5/2018** 9.30 -8.05 1,400 140 4.2 19 5.5 <2.5 <2.5 <2.5 <2.5 <10 --
<br /> 7/8/2020 9.50 -8.25 4,300 2,600 <100 150 240 <100 <100 <100 <100 <1,000 --
<br /> 10/25/2022 11.28 -10.03 8,790 988 27.1 104 33.4 <2.5 <2.5 <2.5 <2.5 <25 <0.5 <0.5
<br /> MW-1B 1.19 30-35 1/20/1999 7.85 -6.66 20,000 6,000 700 190 1,100 <15 <15 <15 <15 <75 -- --
<br /> 5/28/1999 8.02 -6.83 16,000 6,300 240 79 340 <1 2.2 <1 <1 21
<br /> 9/1/1999 10.26 -9.07 16,000 8,000 210 <100 190 16 2.5 <1 <1 27
<br /> 2/11/2000 8.35 -7.16 9,500 2,600 200 77 290 13 <5 <5 <5 26
<br /> 6/30/2000 8.24 -7.05 20,000 8,600 81 69 180 <25 <25 <25 <25 <130
<br /> 8/25/2000 9.32 -8.13 17,000 6,200 100 86 230 <25 <25 <25 <25 <130
<br /> 11/21/2000 9.85 -8.66 17,000 6,700 79 94 170 <15 <15 <15 <15 <75
<br /> 2/14/2001 8.67 -7.48 11,000 3,800 56 83 140 <12.5 <12.5 <12.5 <12.5 <63 <12.5 <12.5
<br /> 5/16/2001 8.06 -6.87 15,000 5,900 54 35 70 <20 <20 <20 <20 <100 <20 <20
<br /> 8/21/2001 10.81 -9.62 12,000 5,300 180 95 260 8.4 <5 <5 <5 <25 <5 <5
<br /> 11/20/2001 11.29 -10.10 13,000 5,400 100 34 110 8.1 <1 <1 <1 <5 <1 <1
<br /> 2/22/2002 7.85 -6.66 16,000 5,000 51 34 70 4.1 1.1 <1 <1 24 <1 <1
<br /> 5/24/2002 8.36 -7.17 17,000 6,400 61 22 72 6.7 1.6 <0.5 <0.5 48 <0.5 <0.5
<br /> 8/28/2002 11.03 -9.84 13,000 4,000 39 16 53 ND<7 1.1 <0.5 <0.5 35 <0.5 <0.5
<br /> 11/14/2002 11.20 -10.01 7,700 3,400 21 <10 34 <10 <10 <10 <10 <100 <10 <10
<br /> 2/20/2003 8.51 -7.32 14,000 4,600 49 26 85 <10 <10 <10 <10 <100 <10 <1
<br /> 5/22/2003 8.70 -7.51 14,000 4,700 36 <12 70 <5 <5 <5 <5 <50 <5 <5
<br /> 8/21/2003 11.28 -10.09 7,100 3,500 29 18 69 <17 <17 <17 <17 <170 <17 <17
<br /> 11/24/2003 11.13 -9.94 3,800 1,500 10 <5 12 <5 <5 <5 <5 <50 <5 <5
<br /> 2/16/2004 8.40 -7.21 5,600 2,100 10 5.4 15 <1 <1 <1 68 <10 <0.5 71
<br /> 5/18/2004 9.20 -8.01 8,300 3,100 33 15 42 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 8/24/2004 11.50 -10.31 4,200 1,700 18 6.7 20 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 11/15/2004 10.80 -9.61 2,200 1,300 5.5 2.3 7.6 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 4/13/2005 7.94 -6.75 6,000 5,000 38 5.0 29 <1 <1 <1 160 <10 <0.5 <0.5
<br /> 8/15/2005 10.61 -9.42 4,900 1,900 6.3 <0.5 1,221 <1 <1 <1 34 <10 <0.5 22
<br /> 11/14/2005 11.41 -10.22 7,900 4100 8.6 11 24 <1 <1 <1 39 <10 <0.5 29
<br /> FREY Environmental,Inc. Table 1-Page 2 of 32 Project No.1175-01
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