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07
<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 --4rL TO-15 GUMS Full Scan _ _ ASTM D-1946
<br /> EPA Methods2 82606 82608 GC/TCD
<br /> TPH C2+HC's BTEXNatural Gas
<br /> (Ref.Gas) 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 Sampled (ug/m' (ug/m') (ug/ml) (ug/m' ' ' 3 a 3 a
<br /> (u9fm) (ug/m ) ug/m) (ug/m) (ug/m) u /m) (ug/m,) ppmV
<br /> Area 2A/2B And Adjacent Properties
<br /> UPSV-1 1 9/18/2015 2,5 -10,000 <40 <200 -100 -100 <35 -100 -100 -100 -1,000 <100 <1,000
<br /> (cont) - _ 1 12/18/2015 2,5 <10,000 <40 -200 <100 <100 <35 <100 <100 -100 -1,000 <100 -1,000
<br /> UPSV-2 13 328 7/19/2005 1 24,000,000 -520 -620 -710 -710 <3,400 <590 <2,700 -2,700 <2,000 <
<br /> 2,700 560,000
<br /> 1 9/16/2005 2 22,000,000 370 <100 <100 <100 -100 <100 <100 -100 -1,000 <100 100,000
<br /> 1 10/17/2005 2 5,200,000 570 590 470 2,100 <100 <100 -100 -100 -1,000 <100 120,000
<br /> 1 11/18/2005 2 4,400,000 <100 <100 -100 130 <100 <100 <100 <100 <1,000 -100 57,000
<br /> 1 2/13/2006 2 2,300,000 -100 <100 -100 -100 -100 -100 <100 <100 -1,000 <100 110,000
<br /> 1 5/8/2006 2 8,100,000 240 -100 100 140 -100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1 8/15/2006 2 11,000,000 -100 -100 -100 -100 <100 <100 <100 -100 <1,000 -100 150,000
<br /> 1 11/1312006 2 7,600,000 <100 <100 <100 <100 <100 <100 -100 -100 <1,000 -100 24,000
<br /> 1 2/9/2007 2 13,000,000 -100 -100 <100 <100 <100 1100 -100 <100 '1,000 <100 100,000
<br /> 1 5/11/2007 2 11,000,000 <100 <100 -100 <100 -100 -100 <100 -100 <1,000 -100 98,000
<br /> 1 7/20/2007 2 4,200,000 <100 -200 <100 -100 <100 -100 '100 -100 0,000 -100 4,400
<br /> 1 10/12/2007 2 130,000 -100 <200 <100 -100 -100 <100 -100 <100 <1,000 -100 <1,000
<br /> 1 2/15/2008 2 30,000 000 -200 <100 <100 <100 -100 -100 <100 <1,000 <100 <1,000
<br /> 1 4/25/2008 2 8,400 <100 <200 '100 -100 -100 <100 <100 <100 -1,000 -100 '1,000
<br /> 1 7/25/2008 2 28,000 -100 <200 <100 <100 <100 -100 <100 <100 <1,000 <100 <1,000
<br /> 1 10/24/2008 2 <10.000 <100 -200 <100 000 <100 <100 <100 -100 -1,000 -100 -1,000
<br /> 1 2/20/2009 2 240,000 <100 <200 -100 <100 <100 <100 -100 -100 <1,000 -100 <1,000
<br /> 1 6/20009 2 <10.000 <100 <200 <100 -100 <100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1 8(//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 5/7/2010 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 1100 <100 <100 <1,000 -100 <1,000
<br /> 1 10/22/2010 2 <10,000 <100 <200 1100 <100 <100 -100 <100 -100 <1,000 <100 11,000
<br /> 1 1/28/2011 2 <10,000 <100 <200 <100 <100 <100 <100 <100 -100 -1,000 -100 -1,000
<br /> 4/28/2011 Not Sampled,encountered groundwater
<br /> 1 7/21/2011 2 15,000 <100 <200 -100 <100 <100 -100 <100 <100 -1,000 <100 <1,000
<br /> 1 10/21/2011 2 <10,000 -100 <200 <100 -100 -100 <100 <100 <100 <1,000 -100 <1,000
<br /> 1 1/27/2012 2 <10,000 1100 <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 2 120,000 <100 200 -100 <100 <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 4,000 -100 11,000
<br /> 1 1/30/2013 2 <10,000 -100 <200 -100 1100 <100 <100 -100 <100 <1,000 -100 11,000
<br /> 1 4119/2013 2 <10,000 <100 <200 -100 <100 -100 -100 -100 d00 -7,000 -100 -1,000
<br /> 1 7/19/2013 2 <10,000 -100 <200 -100 <100 <100 000 <100 <100 -1,000 <100 -1,000
<br /> 1 10/18/2013 2 <10,000 <100 <200 -100 -100 <100 1100 -100 -100 -1,000 -100 11,000
<br /> 1 2/20/2014 2,5 <10,000 <80 <200 <100 <100 <70 <100 <100 -100 <1,000 <100 <1,000
<br /> 1 4125/2014 2,15, Not Sampled
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