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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 TO-15 GUMS Full Scan __.. ASTM D-1946
<br /> EPA Methods 8260B 82606 - GClTCD
<br /> TPH C2-HC's BTEX SVOCS Fuel Oxygenates Natural Gas
<br /> (Ref.Gas) 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/m) /m3 u ' ' ' ' ' '
<br /> g ) (u9/m) (ug/m) (u /m) (ug/m) (u /m (ug/m) (u9/m ppmV
<br /> Area 2A/2B And Adjacent Properties
<br /> APSV-3 1 10/22/2010 2 <10,000 -100 -200 -100 -100 c100 -100 000 -100 -1,000 -100 <1,000
<br /> (tont) 1 1/28/2011 2 -10,000 <100 -200 -100 000 c100 -100 -100 -100 -1,000 -100 -1,000
<br /> 1 4/28/2011 2 -10,000 -100 <200 -100 <100 -100 -100 <100 -100 0.000 <100 <1,000
<br /> 1 7/21/2011 2 -10,000 000 <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 -100 000 000 <1,000 000 <1,000
<br /> 1 1/27/2012 2 <10,000 <100 <200 <100 -100 <100 <100 <100 <100 <1,000 <100 0,000
<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 -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 -10,000 <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 0,000 <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 26,000
<br /> 1 4/25/2014 2,5 <10,000 <40 <200 <100 -100 <35 <100 <100 <100 <1,000 <100 29,000
<br /> 1 7/1V2014 2,5 -10,000 <40 <200 <100 <100 <45 <100 -100 <100 0000 <100 48,000
<br /> 1 11/7/2014 2,5 <10.000 <40 '200 000 <100 -45 <100 <100 -100 <1000 -100 45,000
<br /> 1 2/25/2015 2,5 <10,000 <40 <200 -100 <100 <35 <100 -100 000 -1,000 <100 76,000
<br /> 1 7/1/2015 2,5 -10,000 <40 -200 -100 -100 <35 <100 <100 -100 0,000 <100 69,000
<br /> 1 7/1/2015 2,5 -10,000 <40 <200 <100 -100 <35 -100 <100 <100 <1,000 -100 69,000
<br /> 1 9/17/2015 2,5 -10,000 <40 <200 <100 <100 <35 <100 <100 000 <1,000 <100 52,000
<br /> 1 12/15/2015 2,5 <10,000 1 <40 200 <100 <100 <35 -100 <100 -100 <1,000 <100 55,000
<br /> APSV-3•D 1 10/1712005 2 5,300,000 5,000 360 140 490 <100 <100 <100 <100 <1,000 <100 8,800
<br /> 1 11/18/2005 2 3,700,000 2,000 180 110 210 -100 -100 -100 <100 0,000 <100 15,000
<br /> APSV-4 8.6 7/20/2005 1 Not Sampled,soil vapor not purgeable
<br /> 1 9/16/2005 2 Not Sampled,encountered groundwater
<br /> 1 10117/2005 2 Not Sampled,encountered groundwater
<br /> 1 11/18/2005 2 Not Sampled,encountered groundwater
<br /> 1 2/13/2006 2 Not Sampled,encountered groundwater
<br /> 1 5/8/2006 2 Not Sampled,encountered groundwater
<br /> 1 8/15/2006 2 Not Sampled,encountered groundwater
<br /> 1 11/13/2006 2 Not Sampled,encountered groundwater
<br /> 1 2/9/2007 2 Not Sampled,encountered groundwater
<br /> 1 5/11/2007 2 -5000 000 -100 -100 -100 -100 -100 -100 000 -1,000 -100 -1,000
<br /> 7/20/2007 Not Sampled,encountered groundwater
<br /> 10/12/2007 Not Sampled,encountered groundwater
<br /> 2/1512008 Not Sampled,encountered groundwater
<br /> 4/25/2008 Not Sampled,encountered groundwater
<br /> Page 11 of 23
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