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<br /> Historic Soil Gas Analytical Data
<br /> Parcel 2A and Adjacent Properties
<br /> West Weber Avenue and Lincoln Streets
<br /> Stockton,California
<br /> EPA Methods TO-3 GC/FID TO-15 GUMS Full Scan _ ASTM D-1946
<br /> EPA Methods 82608
<br /> 82608 GCITCD
<br /> Natural Gas
<br /> TPH C2+HC's BTEX SVOCs Fuel Oxygenates
<br /> Analysis(Ref.Gas)
<br /> Casing Length Dilution Ethyl-
<br /> Sample or Depth(bgs) Factor Date TPHg Benzene Toluene benzene Total Xylenes Naphthalene MTBE DIPE ETBE TBA TAME Methane Gas
<br /> ID feet) (TO-1511 Sam led (ug/m') (ug/m') (u /m') (ug/m3) (u /m3) (ug/m') ug/m') (ug/m') (ug/m3) (ug/m') (4m) ppmV
<br /> Area 2A/2B And Adjacent Properties
<br /> APSV-10 7.5 239 7/20/2005 1 11,000,000 -380 -450 <520 530 -2,500 <430 -2,000 -2,000 -1,400 <2,000 160,000
<br /> (Paired Well) 1 9/16/2005 2 5,300,000 <100 -100 <t00 220 -100 -100 -100 -100 -1,000 -100 47.000
<br /> 1 10/17/2005 2 4,900,000 -100 100 <100 240 <100 -100 <100 -100 <1,000 <100 110,000
<br /> 1 11/18/2005 2 1,600,000 <100 120 -100 220 -100 <100 -100 <100 -1,000 -100 58,000
<br /> 1 2/13/2006 2 710,000 <100 -100 -100 110 <100 -100 -100 -100 <1,000 -100 -1,000
<br /> 1 5/8/2006 2 3,600,000 <100 120 <100 230 <100 -100 <100 -100 <1,000 -100 -1,000
<br /> 1 8/15/2006 2 6,000,000 -100 <100 350 -100 -100 <100 -100 <100 <1,000 <100 510,000
<br /> 1 11/13/2006 2 3,800,000 <100 -100 <100 230 -100 -100 -100 -100 <1,000 -100 200,000
<br /> 1 2/9/2007 2 4,600,000 -100 <100 <100 -100 <100 -100 <100 <100 <11000 <100 290,000
<br /> 1 5/11/2007 2 9,500,000 <100 <100 1100 260 -100 <100 -100 -100 -1,000 <100 220,000
<br /> 1 7/20/2007 2 1,500,000 000 -200 -100 -100 <100 <100 000 -100 -1,000 <100 -1,000
<br /> 1 10/12/2007 2 9,400,000 <100 <200 <100 <100 -100 -100 -100 <100 <1,000 -100 6,700
<br /> 1 2/15/2008 2 850,000 <100 210 <100 230 <100 <100 <100 000 <1,000 1100 0,000
<br /> 1 4/25/2008 2 3,800,000 -100 -200 -100 150 000 -100 -100 -100 -1,000 <100 1,100
<br /> 1 7/25/2008 2 1,800,000 -100 <200 -100 150 -100 -100 -100 <100 <1,000 <100 93,000
<br /> 1 10/24/2008 2 1,300,000 <100 <200 <100 <100 -100 -100 <100 -100 <1,000 -100 14,000
<br /> 1 2/20/2009 2 180,000 <100 <200 -100 <100 <100 -100 <100 <100 11,000 <100 1,400
<br /> 1 6/212009 2 270,000 <100 <200 <100 <t00 -100 -100 <100 <100 <1,000 <100 7,000
<br /> 1 8/7/2009 2 19,000 -100 <200 -100 <100 -100 <100 <100 -100 <1,000 <100 <1,000
<br /> 1 10/30/2009 2 <10,000 -100 <200 -100 <100 -100 <100 <100 <100 -1,000 <100 <1,000
<br /> 1 2/19/2010 2 '10,000 <100 <200 -100 <100 <100 -100 -100 <100 <1,000 <100 NS
<br /> 1 517/2010 2 <10,000 -100 <200 <100 -100 <100 <100 <100 <100 <1,000 <100 '1,000
<br /> 1 7/23/2010 2 <10.000 -100 <200 -100 <100 <100 -100 000 <100 <1,000 <100 -1,000
<br /> 1 10/22/2010 2 <10,000 <100 <200 <100 -100 <100 -100 <100 <100 '1,000 <100 <1,000
<br /> 1 1/28/2011 2 <10,000 <100 <200 1100 <100 -100 <100 <100 -100 0,000 -100 -1,000
<br /> 1 4/28/2011 2 300,000 <100 <200 <100 <100 <100 <100 <100 <100 <1,000 <100 78,000
<br /> 1 7/21/2011 2 420,000 -100 <200 <100 <100 <100 <100 <100 <100 <1,000 -100 83,000
<br /> 1 10/21/2011 2 620,000 -100 -200 <100 <100 -100 -100 -100 <100 0,000 <100 200,000
<br /> 1 1/27/2012 2 49,000 <100 <200 -100 <100 -100 -100 <100 <100 <1,000 <100 <1,000
<br /> 1 4/23/2012 2 1,200,000 -100 -200 -100 <100 <100 -100 -100 -100 -1,000 <100 11,000
<br /> 1 7/20/2012 2 710,000 -100 <200 <100 -100 <100 <100 -100 -100 <1,000 <100 120,000
<br /> 1 10/19/2012 2 570,000 <100 -200 <100 -100 -100 -100 <100 <100 -1,000 <100 130,000
<br /> 1 1/30/2013 2 300,000 <100 <200 <100 -100 <100 <100 -100 <100 -1,000 <100 100,000
<br /> 1 4/19/2013 2 <10,000 <100 <200 -100 <100 <100 <100 -100 <100 <1,000 <100 <1,000
<br /> 1 7/19/2013 2 140,000 <100 <200 1100 -100 -100 <100 -100 <100 <1,000 -100 16,000
<br /> 1 10/1812013 2 180,000 <100 <200 <100 <100 <100 -100 -100 000 '1,000 <100 160,000
<br /> 1 2/20/2014 2,5 1,200,000 180 <200 <100 <100 <70 -100 <100 <100 '1,000 <100 250,000
<br /> 1 4/25/2014 2.5 2,300,000 65 <200 <100 -100 <35 <100 <100 -100 <1,000 000 260,000
<br /> 1 7/11/2014 2,5 1,200,000 120 <200 -100 <100 <45 -100 <100 <100 <1000 <100 320,000
<br /> 1 11/7/2014 2,5 11000,000 85 <200 <100 <100 <35 <100 -100 <100 11000 <100 200.000
<br /> 1 2/25/2015 2,5 1,400,000 140 -200 -100 <100 <35 <100 -100 <100 <1,000 -100 290,000
<br /> 1 1 7/1/2015 12,51 4,500,000 1 150 <200 -100 <100 <35 <100 -100 <100 -1,000 -100 250,000
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