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Casing Length Dilution Ethyl-
<br />Sample or Depth (bgs)Factor Date
<br />ID (feet) (TO-15) Sampled (ug/m3)(ppmV)(ug/m3)(ppmV)(ug/m3)(ppmV)(ug/m3)(ppmV)(ug/m3)(ppmV)(ug/m3)ppmV (ug/m3)ppmV (ug/m3)ppmV (ug/m3)ppmV (ug/m3)ppmV (ug/m3)ppmV
<br />Total Xylenes
<br />ppmV
<br />EPA Methods1 TO-15 GC/MS Full Scan
<br />BTEXTPH C2+HC's
<br />(Ref. Gas)
<br />8260B 8015M
<br />ASTM D-1946
<br />Natural Gas
<br />Analysis
<br />Table 25
<br />Soil Gas Analytical Data
<br />Parcel 2A and Adjacent Properties
<br />West Weber Avenue and Lincoln Streets
<br />Stockton, California
<br />Fuel Oxygenates
<br />TO-3 GC/FID
<br />8260B
<br />SVOCs
<br />EPA Methods2
<br />TPHg TolueneBenzene benzene DIPE ETBE TAMENaphthalene MTBE
<br />Area 2A/2B And Adjacent Properties
<br />TBA Methane Gas
<br />APSV-3 1 10/12/2007 2 65,000 16 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />(cont) 1 2/15/2008 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 4/25/2008 2 <5,000 <1.2 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 7/25/2008 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 10/24/2008 2 <5,000 <1.2 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 2/20/2009 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 6/2/2009 2 <5,000 <1.2 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 8/7/2009 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 10/30/2009 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 2/19/2010 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 5/7/2010 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 7/23/2010 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 10/22/2010 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 1/28/2011 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 4/28/2011 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 7/21/2011 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 10/21/2011 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 1/27/2012 2 <10,000 <2.4 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />APSV-3-D 1 10/17/2005 2 5,300,000 1,296 5,000 1.6 360 0.10 140 0.03 490 0.11 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 11/18/2005 2 3,700,000 905 2,000 0.6 180 0.05 110 0.03 210 0.05 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />APSV-4 8.6 7/20/2005 1
<br />1 9/16/2005 2
<br />1 10/17/2005 2
<br />1 11/18/2005 2
<br />1 2/13/2006 2
<br />1 5/8/2006 2
<br />1 8/15/2006 2
<br />1 11/13/2006 2
<br />1 2/9/2007 2
<br />1 5/11/2007 2 <5000 <1.2 <100 <0.03 <100 <0.03 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />7/20/2007
<br />10/12/2007
<br />2/15/2008
<br />4/25/2008
<br />7/25/2008
<br />10/24/2008
<br />2/20/2009
<br />6/2/2009
<br />8/7/2009
<br />2/19/2010
<br />5/7/2010
<br />7/23/2010
<br />10/22/2010
<br />1/28/2011
<br />4/28/2011
<br />7/21/2011
<br />10/21/2011
<br />1/27/2012
<br />APSV-5 8.6 7/20/2005 1
<br />1 9/16/2005 2 <5,000 <1.2 <100 <0.03 <100 <0.03 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />1 10/17/2005 2 78,000 19 <100 <0.03 <100 <0.03 <100 <0.02 120 0.03 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />1 11/18/2005 2 130,000 32 120 0.04 <100 <0.03 <100 <0.02 100 0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />2/13/2006 2
<br />1 5/8/2006 2 16,000 4 <100 <0.03 110 0.03 <100 <0.02 110 0.03 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />1 8/15/2006 2
<br />1 11/13/2006 2 <5,000 <1.2 <100 <0.03 <100 <0.03 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <1,000 <0.33 <100 <0.02
<br />1 2/9/2007 2 <5,000 <1.2 <100 <0.03 <100 <0.03 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />1 5/11/2007 2 <5,000 <1.2 <100 <0.03 <100 <0.03 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />1 7/20/2007
<br />1 10/12/2007 2 7,500 2 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />2/15/2008
<br />1 4/25/2008 2 <5,000 <1.2 <100 <0.03 <200 <0.05 <100 <0.02 <100 <0.02 <100 <0.02 <100 <0.03 <100 <0.02 <100 <0.03 <1,000 <0.33 <100 <0.02
<br />7/25/2008
<br />10/24/2008
<br />Not Sampled, encountered groundwater
<br /><1,000
<br />8,800
<br />Not Sampled, encountered groundwater
<br />Not Sampled, soil vapor not purgeable
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br /><1,000
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br />Not Sampled, soil vapor not purgeable
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br />21,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />15,000
<br /><1,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br />6,600
<br /><1,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br />NS
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br /><1,000
<br />5,500
<br />Not Sampled, encountered groundwater
<br />Not Sampled, encountered groundwater
<br /><1,000
<br /><1,000
<br />Not Sampled, encountered groundwater
<br /><1,000
<br />Not Sampled, encountered groundwater
<br /><1,000
<br />I:\Tidewater\TW Stockton (P2A)\Tables\QMR Tables\2012\1Q12\Parcel2A Soil Gas Table (Table 25, Figures 36,37, 38, and 39) 1Q12.xls
<br />Page 5 of 9
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