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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 GC/MS Full Scan ASTM D-1946
<br /> EPA Methods' 82608 82608 GCFrCD
<br /> TPH C2+HC's Fuel Oxygenates Natural Gas
<br /> BTEX SVOCS Y9 Analysis
<br /> (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 O-15 Sampled (ug/m' u /m') (ug/m') (u /m3) (ug/m') (ug/m' (u m' (ug/m' (ug/m') (ug/m' Minn) pp mV
<br /> Area 2A/2B And Adjacent Properties
<br /> APSV-7 1 1/27/2012 2 -10,000 -700 <200 -100 -100 <100 <100 -700 -100 -7,000 -100 -1,000
<br /> (Paired Well) 1 4/23/2012 2 -10,000 <100 <200 <100 <100 <100 -100 <100 <100 -1,000 -100 -1,000
<br /> (cont) 1 7/20/2012 2 -10,000 <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 -1,000 <100 <1,000
<br /> 1 1/30/2013 2 Q0,000 '100 -200 -100 -100 -100 -100 <100 <100 <1,000 -100 -1,000
<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 -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 <1,000
<br /> 1 2/20/2014 2,5 <10,000 <80 <200 <100 <100 <70 -100 <100 -100 -1,000 -100 <1,000
<br /> 1 4/25/2014 2,5 44,000 <40 <200 <100 -100 <35 -100 <100 <100 <1,000 -100 53,000
<br /> 1 7/11/2014 2,5 24,000 <40 <200 <100 <100 <45 <100 <100 -100 -1000 <100 13,000
<br /> 1 11/7/2014 2,5 <10,000 <40 <200 -100 <100 <45 -100 <100 <100 -1000 <100 48,000
<br /> 1 2/25/2015 2,5 <10,000 <40 <200 <100 <100 <35 -100 -100 -100 <1,000 <100 59,000
<br /> 1 7/1/2015 2,5 -10,000 <40 <200 <100 <100 <35 <100 -100 <100 -1,000 <100 -1,000
<br /> 1 9/17/2015 2,5 <10,000 <40 <200 -100 <100 <35 <100 -100 -100 -1,000 <100 <1,000
<br /> 1 12/15/2015 2,5 <10,000 WO <200 -100 <100 <35 1 d00 <100 <100 <1,000 <100 33,000
<br /> APSV-7-D' 1.4 9/16/2005 1 830,000 <78 120 <110 <320 <3,300 -350 -410 <410 -300 <630 <0.10
<br /> (Paired Well)
<br /> APSV-8 7.6 1.55 7/20/2005 1 3,200 <2.5 <2.9 <3.4 <3.4 <16 <2.8 <13 <13 <9.4 <13 2.9
<br /> 1 9/16/2005 2 80,000 <100 <100 <100 <100 <100 -100 <100 <100 -1.000 <100 <1000
<br /> 1 10/17/2005 2 120,000 <100 <100 <100 110 -100 <100 <100 -100 -1,000 -100 2,000
<br /> 1 11/18/2005 2 <5,000 <100 -100 <100 -100 -100 -100 -100 <100 -1,000 -100 -1,000
<br /> 1 2/13/2006 2 <5,000 <100 -100 -100 <100 <100 -100 <100 <100 <1,000 <100 <1,000
<br /> 1 5/8/2006 2 35,000 -100 100 -100 120 <100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1 8/15/2006 2 -5,000 -100 <100 -100 -100 <100 <100 <100 <100 <1,000 <100 2,000
<br /> 1 11/13/2006 2 -5.000 <100 <100 -100 -100 <100 -100 -100 -100 -1,000 <100 <1,000
<br /> 1 2/9/2007 2 <5,000 -100 <100 <100 <100 <100 -100 -100 -100 -1,000 <100 3,800
<br /> 1 5/11/2007 2 5,900 -100 <100 <100 <100 -100 -100 <100 -100 -1,000 -100 -1,000
<br /> 1 7/20/2007 2 <5,000 <100 <200 <100 -100 <100 <100 -100 <100 <1,000 -100 -1,000
<br /> 1 10/12/2007 2 <5,000 -100 <200 <100 <100 -100 -100 <100 -100 <1,000 <too <1,000
<br /> 1 2/15/2008 2 -10,000 -100 <200 <100 -100 <100 <100 <100 <100 -1,000 <100 -1,000
<br /> 1 4125/2008 2 -5,000 -100 -200 <100 <100 -100 <100 <100 <100 '1,000 <100 -1,000
<br /> 1 7/25/2008 2 <10,000 -100 <200 <100 -100 <100 <100 <100 -100 -1,000 <100 <1,000
<br /> 1 10/24/2008 2 <10,000 <100 <200 <100 <100 -100 <100 <100 <100 -1,000 <100 <1,000
<br /> 1 2/20/2009 2 <10,000 -100 <200 -100 <100 <100 <100 -100 -100 -1,000 <100 <1,000
<br /> 1 6/2/2009 2 <5,000 -100 <200 <100 -100 -100 -100 <100 <100 Q,000 <100 -1,000
<br /> 1 8/7/2009 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 1 2/19/2010 1 2 <10.000 -100 <200 -100 <100 I -100 1 -100 -100 <100 -1,000 <100 I NS
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