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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 8260B GCf rCD
<br /> TPH C2+HC's BTEX SVOCs Fuel Oxygenates Natural Gas
<br /> (Ref.Gas) Analysis
<br /> Casing Length Dilution Eth*
<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/m) (ug/m) (ug/m') ug/m) (ug,m3 (ug/m3) (ug/m' (ug/m3) (u /m') ppmV
<br /> Area 2Al2B And Adjacent Properties
<br /> APSV-5 2/15/2008 Not Sampled,encountered groundwater
<br /> (cont) 1 4/25/2008 2 <5,000 -100 -200 <100 '100 -100 <100 -100 <100 -1,000 -100 -1,000
<br /> 7/25/2008 Not Sampled,encountered groundwater
<br /> 10/24/2008 Not Sampled,encountered groundwater
<br /> 2/20/2009 Not Sampled,encountered groundwater
<br /> 1 6/2/2009 2 <5,000 <100 -200 <100 -100 -100 000 <100 <100 -1,000 <100 0,000
<br /> 1 8/7/2009 2 -10,000 <100 -200 <too -100 -100 <100 -100 -100 -1,000 -100 <1,000
<br /> 1 10/30/2009 2 -10,000 <100 <200 <100 000 -100 <100 -100 -100 <1,000 -100 -1,000
<br /> 1 2/19/2010 2 00,000 -100 -200 -100 <100 -100 <100 <100 000 <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 /> < < < < <100 <100 <100 -100 <100 -1,000 -100 -1,000
<br /> 1 7/23/2010 2 10,000 100 200 100
<br /> 10/22/2010 Not Sampled,encountered groundwater
<br /> 1 1/28/2011 2 <10,000 <100 -200 <100 <100 -100 <100 <100 <100 0,000 <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 <1,000
<br /> 1 10/21/2011 2 00,000 -100 -200 <100 -100 <100 <100 <100 <100 <1,000 <100 <1,000
<br /> 1/27/2012 Not Sampled,encountered groundwater
<br /> 1 4/2312012 2 -10,000 -100 -200 <100 <100 <100 -100 -100 -100 -1,000 <100 -1,000
<br /> 7/20/2012 Not Sampled,encountered groundwater
<br /> 10/19/2012 Not Sampled,encountered groundwater
<br /> 1 1/30/2013 2 <10,000 <100 '200 -100 -100 -100 <100 -100 -100 <1,000 -100 <1,000
<br /> 1 4/19/2013 2 00,000 <100 <200 <100 -100 <100 000 <100 <100 -1,000 <100 <1,000
<br /> 1 7/1912013 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 <too <1,000 <100 -1,000
<br /> 1 2/20/2014 2.5
<br /> -10,000 <80 -200 <100 -100 170 <100 -100 <100 <1,000 <100 <1,000
<br /> 1 4/25/2014 2,5 <10,000 <40 <200 <100 <100 <35 <100 <100 -100 '1,000 -100 0,000
<br /> 1 7/11/2014
<br /> 1 11(/12014 2,5 <10,000 140 <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 000 <1,000
<br /> 1 9/17/2015 2,5 Not Sampled,encountered groundwater
<br /> 7 1 12/15/2015 1 2,5 1 Not Sampled,encountered groundwater
<br /> APSV-6 12 316 7/19/2005 1 590,000 -500 <600 <690 -690 -3,300 <570 <2,600 <2,600 <1.900 <2,600 27
<br /> (Paired Well) 1 9/16/2005 2 440,000 160 <100 <100 <100 <100 <100 <100 <100 -1,000 <100 15,000
<br /> 1 10/17/2005 2 460,000 320 110 <100 140 <100 <100 <100 -100 <1,000 -100 15,000
<br /> 1 11/1812005 2 500,000 270 -100 <100 130 <100 <100 <100 <100 <1,000 <too 24,000
<br /> 1 2/13/2006 2 17,000 <100 <100 <100 -100 -100 <100 -100 C00 -1,000 000 <1.000
<br /> 1 5/8/2006 2 280,000 <100 -100 000 190 -100 1100 <100 -100 <1,000 -100 <1,000
<br /> < -100 <100 -100 <100 -1,000 <100 34,000
<br /> 1 8/15/2006 z 1,1oo,aoo -100 -100 -100 100
<br /> 1 11/13/2006 2 1 55,000 1 <100 000 <100 <100 I <100 I -100 000 <100 0,000 <100 1 3,600
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