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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 82608 GC7CD
<br /> TPH C2+11C's BTEX Natural Gas
<br /> (Ref.Gas) SVOCs Fuel Oxygenates Y
<br /> Anal sis
<br /> Casing Length Dilution Ethy4
<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) /m) (ug/m') (ug/m) (ug/m') (ug/m) (ug/m') (ug/m' ug/m') (ug/m,) ppmv
<br /> Area 2A/2B And Adjacent Properties
<br /> UPSV-3 1 1/27/2012 2 -10,000 -100 -200 <100 <100 <
<br /> (cont) 1 4/23/2012 2 -10,000 <100 <200 <100 -100 -100 -100 -100 -100 -1,000 <100 -1,000
<br /> 100 -100 -100 -700 -1,000 -100 -1,000
<br /> 1 7/20/2012 2 <10,000 <100 <200 -100 <100 <
<br /> 1 10/19/2012 2 <10,000 -100 <200 < 100 <100 <100 -100 -1,000 -100 <1,000
<br /> 100 -100 -100 Q00 -100 -100 -1,000 c100 -1,000
<br /> 1 1/30/2013 2 <10,000 <100 <200 <100 <100 <100 <100 <100 -100 <1,000 -100 <
<br /> 1 4/19/2013 2 <10,000 <100 <200 <100 <100 < 1,000
<br /> 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 -101000 -100 <200 <100 <100 <100 -100 <100 -100 -1,000 -100 -1,000
<br /> 1 2/20/2014 2,5 11,000 <80 <200 -100 <100 <70 <100 <100 -100 -1,000 <100 360,000
<br /> 1 4/25/2014 2,5 16,000 <40 -200 <100 <100 <35 <100 <100 000 -1,000 <100 270,000
<br /> 1 7/11/2014 2,5 23,000 140 <200 <100 <100 <45 '100 <100 -100 <1,000 -100 380,000
<br /> 1 11/7/2014 2,5 140,000 45 <200 <100 <100 <35 -100 -100 d00 -1,000 -100 390,000
<br /> 1 2/252015 2,5 130,000 140 -200 <100 <100 <35 -100 -100 -100 <1,000 -100 320,000
<br /> 1 7/2/2015 2,5 190,000 <40 <200 <100 <100 <35 <100 <100 -100 <1,000 <100 320,000
<br /> 1 9/18/2015 2,5 260,000 42 <200 <100 <100 <35 -100 <100 -100 <1,000 <100 330,000
<br /> 1 1 12/18/2015 2,5 380,000 1 <40 <200 <100 <100 <35 <100 <100 -100 0,000 <100 170,000
<br /> UPSV-3D 1 7/20/2007 2 4,200,000 -100 -200 000 <100 -100 -100 <100 <100 0,000 <100 <1,000
<br /> 1 10/122007 2 4,100,000 <100 <200 -100 <100 <100 <100 <100 <100 -1,000 <100 <1,000
<br /> 1 10/242008 2 12,000 <100 -200 <100 <100 <100 <100 -100 <100 <1,000 -700 <1,000
<br /> 1 6/2/2009 2 15,000 <700 <200 <100 -100 <100 <100 <100 <100 0,000 <100 0,000
<br /> 1 872009 2 <10,000 <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 2/192010 2 -10,000 <100 -200 <100 <100 <100 -100 -100 q00 -1,000 -100 NS
<br /> 1 57/2010 2 '10,000 -100 <200 -100 <100 <100 <100 -100 <100 <1,000 <
<br /> 1 7/23/2010 2 27,000 <100 <200 <100 <100 < 100 <1,000
<br /> 1 10/222010 2 <10,000 <100 < 100 <100 <100 <100 -1,000 <100 <1,000
<br /> 200 -700 -100 -100 -100 -100 -100 -1,000 -100 -1,000
<br /> 1 1/28/2011 2 '10,000 -100 <200 -100 000 -100 <100 <100 -100 -1,000 -100 -1,000
<br /> 1 4/28/2011 2 11,000 -100 <200 -100 -100 -100 <100 <100 <100 <1,000 <100 26,000
<br /> 1 721/2011 2 71,000 <100 -200 -100 -100 <100 -100 -100 <100 <1,000 <100 150,000
<br /> 1 10/212011 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 <
<br /> 1 4/23/2012 2 <10,000 -100 -200 -100 -100 -100 <100 < 1,000
<br /> 100 -100 -1,000 -100 c1,000
<br /> 1 7/20/2012 2 <10,000 -100 -200 -100 <100 -100 <100 <
<br /> 1 10/19/2012 2 <10,000 -100 <200 -100 <100 < 100 -100 -1,000 -100 -1,000
<br /> 1 1/30/2013 2 <10,000 <100 <200 <100 <100
<br /> <100 <100 <100 <1,000 <100 <1,000
<br /> 100 -100 -100 -100 -100 <1,000 <700 -1,000
<br /> 1 4/19/2013 2 <10,000 <100 <200 <100 -100 q00 <100 -100 <100 -1,000 -100 <1,000
<br /> 1 7/19/2013 2 00,000 <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 -1,000
<br /> 1 2/20/2014 2 12,000 <80 <200 <100 <100 <70 <100 -100 <100 <1,000 <100 330,000
<br /> 7 1 4/25/2014 2,5 15,000 1 <40 <200 <100 <100 1 <35 1 <100 -100 <100 -1,000 -100 1 280,000
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