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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 />Trip Blank --- 1 7/19/2005 1 <100 <0.026 <1.6 <0.0005 <1.9 <0.0005 <2.2 <0.0005 <2.2 <0.0005 <10 <0.00 <1.8 <0.0005 <8.4 <0.0020 <8.4 <0.0020 <6.1 <0.0020 <8.4 <0.0020
<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 <0.02 <1,000 <0.33 <100 <0.02
<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 <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 <0.02 <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 <0.02 <1,000 <0.33 <100 <0.02
<br />1 7/20/2007 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 10/12/2007 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 2/15/2008 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 <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 2/20/2009 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 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 />Explanation:
<br />bgs = below ground surface TBA = Tertiary-Butyl Alcohol 2 = Samples analyzed by TEG under specified EPA Methods
<br />ppmV = parts per million by volume TAME = Tertiary-Amyl-Methyl-Ether ESL = Environmental Screening Levels
<br />µg/m3 BTEX = Benzene, Toluene, Ethylbenzene, Xylenes NS = Not Sampled during this quarter
<br />TPHg = Total petroleum hydrocarbons in gasoline range organics SVOCs 3
<br />MTBE = Methyl Tertiary-Butyl-Ether <
<br />DIPE = Di-Isopropyl Ether 1 4
<br />ETBE = Ethyl-Tertiary-Butyl-Ether
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br />= Samples analyzed by Air Toxics Ltd. under specified EPA methods = Sample was contaminated following leak check analysis with 1,1 Diflouroethane. The sample was discarded and a
<br />duplicate sample was re ran in UPSV-3.
<br /><1,000
<br /><1,000
<br />= micrograms per cubic meter
<br /><1,000
<br /><1,000
<br /><1,000
<br />= Semi-Volatile Organic Compounds = Summa Cannister collected and duplicate sample analyzed by Calscience Environmental laboratories= Less than method reporting limit
<br /><1,000
<br /><1,000
<br /><1,000
<br />NS
<br /><1,000
<br /><1,000
<br /><1,000
<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
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