|
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) (ft-b s) Sampled (feet) (ft-msl) (u 4) (u (u /l) (u ) (u /1) (u ) (u ) (u /l) (u (u ) (u ) (u
<br /> MW-10A 1.32 15-20 8/21/2003 10.70 -9.38 1,600 720 8.1 12 12 <2.5 <2.5 <2.5 <2.5 <25 <2.5 <2.5
<br /> 11/24/2003 10.69 -9.37 3,800 2,000 270 26 78 <1.7 <1.7 <1.7 <1.7 340 <1.7 50
<br /> 2/16/2004 8.15 -6.83 15,000 5,700 2,200 110 850 <1 <1 <1 140 <10 <0.5 300
<br /> 5/17/2004 8.80 -7.48 34,000 3,800 3,000 840 5,200 <1 <1 <1 <1 <10 <0.5 <0.5
<br /> 8/24/2004 10.82 -9.50 29,000 3,900 1,600 530 1,310 <1 <1 <1 <1 <10 <0.5 64
<br /> 11/15/2004 10.20 -8.88 36,000 12,000 7,900 1,200 7,300 <1 <1 <1 <1 <10 <0.5 65
<br /> 4/13/2005 8.46 -7.14 31,000 19,000 1,300 460 3,300 <1 <1 <1 4.4 <10 <0.5 140
<br /> 8/15/2005 10.06 -8.74 360,000 56,000 41,000 17,000 102,000 <1 <1 <1 <1 <10 <0.5 170
<br /> 11/14/2005 11.14 -9.82 320,000 29,000 36,000 7,500 41,000 <1 <1 <1 470 <10 <0.5 400
<br /> 2/13/2006 7.87 -6.55 78,000 12,000 16,000 6,900 29,500 <1 <1 <1 300 <10 <0.5 280
<br /> 5/15/2006 7.09 -5.77 72,000 17,000 19,000 2,200 16,200 <1 <1 <1 47 <10 <0.5 52
<br /> 8/14/2006 9.50 -8.18 75,000 14,000 20,000 2,900 15,000 <1 <1 <1 77 <10 <0.5 18
<br /> 11/13/2006 10.23 -8.91 82,000 17,000 15,000 6,000 12,440 <1 <1 <1 310 <10 <0.5 310
<br /> 2/12/2007 8.53 -7.21 120,000 21,000 21,000 3,300 12,870 <1 <1 <1 210 <10 <0.5 200
<br /> 5/14/2007 8.81 -7.49 120,000 16,000 23,000 4,600 22,700 <1 2.6 <1 82 <10 <0.5 49
<br /> 8/14/2007 10.80 -9.48 120,000 15,000 20,000 4,000 17,300 <1 2.6 <1 80 <10 <0.5 36
<br /> 11/12/2007 11.13 -9.81 190,000 17,000 11,000 3,500 126,000 <1 2.6 <1 24 <10 <0.5 2.9
<br /> 2/11/2008 7.40 -6.08 170,000 15,000 8,500 2,700 8,700 <1 <1 <1 3.5 <10 <0.5 29
<br /> 5/12/2008 8.91 -7.59 210,000 20,000 38,000 4,900 29,300 <1 <1 <1 350 <10 <0.5 160
<br /> 8/11/2008 10.86 -9.54 200,000 16,000 35,000 9,300 36,500 <1 <1 <1 71 <10 <0.5 130
<br /> 11/10/2008 11.05 -9.73 200,000 20,000 24,000 5,000 23,400 <1 <1 <1 68 <10 <0.5 90
<br /> 9/30/2009 12.00 -10.68 -- -- -- -- -- -- -- -- -- -- -- --
<br /> 6/25/2010 9.15 -7.83
<br /> 11/3/2010 10.96 -9.64
<br /> 5/2/2011 7.81 -6.49
<br /> 12/19/2011 10.20 -8.88
<br /> 6/27/2012 9.92 -8.60
<br /> 12/27/2013 10.67 -9.35
<br /> 9/25/2017 10.63 -9.31 250,000 11,000 19,000 2,100 11,000 <500 <500
<br /> 12/5/2018 11.00 -9.68 -- -- -- -- -- -- --
<br /> 7/9/2020 9.60 -8.28 19,000 3,800 1,600 610 1,800 <50 <50
<br /> 10/27/2022 11.40 -10.08 31,900 9,380 4,570 1,490 6,670 <2.5 <0.5 <0.5 <0.5 <25 <0.5 <0.5
<br /> FREY Environmental,Inc. Table 1-Page 13 of 32 Project No.1175-01
<br />
|