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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 GCIMS Full Scan _ ASTM D-1946
<br /> EPA Methods 8260B 82605 - GC/TCD
<br /> TPH C2+HC's Natural Gas
<br /> (Ref.Gas) BTEX SVOCS Fuel Oxygenates Analysis
<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-15 Sampletl ug/m') (ug/m) (ug/m') (ug/m') (ug/m) (u /m3) (Ug/M3 (ug/m3) (ug/m') ug/m') ug/m') ppmV
<br /> Area 2Al2B And Adjacent Properties
<br /> APSV41 1 5/7/2010 2 -10,000 -100 <200 -100 -100 -100 -100 -100 -100 -1,000 -100 -1,000
<br /> (cont) 1 7/23/2010 2 <10,000 <100 <200 <100 -100 -100 -100 -100 -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 -100 <100 -100 <100 -100 <100 <1,000 -100 <1,000
<br /> 1 4/28/2011 2 <10,000 <100 <200 -100 -100 -100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1 7/21/2011 2 <10,000 <100 <200 <100 <100 <100 <100 <100 <100 <1,000 <100 -7,000
<br /> 1 10/2111011 2 <10,000 -100 -200 -100 -100 -100 <100 <100 -100 <1,000 -100 <1,000
<br /> 1 1/27/2012 2 <10,000 <100 <200 -100 <100 -100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1 4/23/2012 2 <10,000 <100 <200 -100 <100 -100 <100 -100 <100 <1,000 -100 -1,000
<br /> 1 7/20/2012 2 <10,000 <100 <200 <100 000 -100 <100 <100 -100 -1,000 -100 <1,000
<br /> 1 10/19/2012 2 <10,000 <100 <200 <100 -100 <100 <100 <100 <100 <1,000 -100 -1,000
<br /> 1 1/30/2013 2 -10,000 <100 -200 <100 <100 <100 -100 <100 <100 <1,000 <100 -1,000
<br /> 1 4/192013 2 <10.000 -100 <200 <100 -100 -100 -100 <100 <100 <1,000 -100 <1.000
<br /> 1 7/19/2013 2 <10,000 -100 <200 <100 <100 <100 <100 -100 <100 -1,000 <100 <1,000
<br /> 1 10/18/2013 2 -10,000 <100 -200 <100 -100 <100 <100 <100 <100 <1,000 <100 0,000
<br /> 1 2/20/2014 2,5 <10,000 <80 <200 <100 -100 <70 <100 <100 <100 <1,000 -100 <1,000
<br /> 1 425/2014 2,5 <10.000 <40 <200 <100 <100 -35 -100 <100 -100 <1,000 <100 -1,000
<br /> 1 7/11/2014 2,5 <10,000 <40 -200 <100 -100 <45 -100 <100 -100 <1000 <100 <1,000
<br /> 1 11/72014 2,5 <10,000 <40 -200 -100 -100 <45 <100 <100 <100 <1000 <100 <1,000
<br /> 1 2/25/2015 2,5 -10,000 <40 <200 -100 <100 145 <100 <100 -100 '1000 -100 <1,000
<br /> 1 7/1/2015 2,5 <10,000 <40 <200 <100 <100 <45 -100 <100 <100 -1000 <100 <1,000
<br /> 1 9/18/2015 2,5 <10,000 <40 <200 <100 000 <35 <100 -100 -100 -1000 <100 <1,000
<br /> 1 12/15/2015 2,5 '10,000 <40 <200 -100 -100 <35 1 <100 <100 <100 <1000 <100 <1,000
<br /> 7APSV-8-D' 1.42 9/162005 1 <20,000 <2.3 <2.7 <3.1 -9.3 <19 <10 <12 <12 <8.6 '18 <0.10
<br /> 146 7/20/2005 1 8,700,000 2,100 1,500 440 785 -1,500 <260 <1,200 -1,200 <880 -1,200 140,000
<br /> 1 9/16/2005 2 5,300,000 -100 160 <100 250 -100 <100 <100 <100 <1,000 -100 32,000
<br /> 1 10/17/2005 2 4,600,000 -100 180 <100 400 <100 -100 <100 -100 -1,000 -100 60,000
<br /> 1 11/182005 2 1,700,000 <100 120 <100 210 -100 <100 -100 <100 <1,000 -100 56,000
<br /> 1 2/13/2006 2 880,000 <100 -100 <100 120 000 <100 <100 <100 <1,000 '100 '1,000
<br /> 5/8/2006 2 Not Sampled,encountered groundwater
<br /> 8/15/2006 Not Sampled,encountered groundwater
<br /> 1 11/13/2006 2 4,700,000 <100 <100 -100 290 -100 -100 <100 -100 <1,000 <100 150,000
<br /> 1 2/9/2007 2 4,700,000 <100 -100 <100 270 <100 <100 <100 <100 <1,000 <100 270,000
<br /> 1 5/11/2007 2 7,100,000 <100 <100 <100 380 <100 <100 <100 <100 <1,000 -100 90,000
<br /> 1 7/20/2007 2 3,500,000 <100 <200 <100 -100 -100 <100 -100 <100 -1,000 -100 -1,000
<br /> 1 10/12/2007 2 10,000,000 <100 -200 <100 '100 -100 <100 <100 -100 -1,000 -100 4,600
<br /> 1 1 2/15/2008 1 2 1 1,100,000 1 <100 210 <100 340 1 -100 1 -100 <100 <100 -1,000 -100 I -1,000
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