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TRC-Alton Geosclence, Inc <br /> Dual-Phase Extraction Test Report Summary Sheet <br /> Qutk Stop Market No 121 <br /> 1196 West Louts Avenue AQMD4 NA <br /> Manteca,California NPDESA NA <br /> DUAL-PHASE EXTRACTION PERFORMANCE <br /> Date(s)of Event(s) 7117101 <br /> Total Operating Hours 800 <br /> Technology Used High vacuum liquid ring pump with Thermal Oxidizer <br /> Max/Mm Vapor Concentration(ppmv)for Recovery Well RW-1 13,710!3 020 <br /> Mex/MLa Vapor Coaccntranon(ppmv)for Recovery Well MW-3 13,330/2,880 <br /> Max/Mm Flaw Rate(cfm)for Recovery Wel[RW 1 88136 <br /> Max1Mm Flow Rate(cfm)for Recovery Well MW 3 105145 <br /> Max/Mm Vacuum(m Hg)for Recovery Well RW I 21120 <br /> Max/Mm Vacuum(m Hg)for Recovery Well MW 3 20119 <br /> Total Recovery Volume(pounds/gallons)by Vapor 571519 13 <br /> LABORATORY ANALYSIS OF VAPOR SAMPLES <br /> Sample Result(m ms) <br /> Sample Time <br /> fD bate Sampled TPH- ' Benzene' Toluene' Ethyl Benzene* Total Xylenes' 41TBE <br /> RW I MW 3 17-Jul 01 8 30 AM 21 000 250 W D N D N D NA <br /> RW 1 MW-3 17-Jul 01 12 00 PNI 4 800 51 N D N D N D N A <br /> RW 1 MW-3 17 Jul 01 3 00 PM i 3 700 29 66_ N D 12 N A <br /> ADDITIONAL INFOILNATION <br /> •=Analyzed by EPA Method 8020 <br /> •'=Analyzed by EPA Method 8015 <br /> mglmt =milligrams per cubic meter <br /> cfm =cubic feet per mmute <br /> in Hg =Laches of mercury <br /> TPH g =total petroleum hydrocarbons as gasolene <br /> MTBE Methyl tent Bury[Ether <br /> ND not detectable <br /> NA not analyzed <br /> Prepared by fil�L� Gr��L �y ve Kemm�StatTSctennst TRC Project No 41-0319-02 <br /> Approved by- "/LL T acy L Walker R.G Associate Submittal Date 6-Aug Of <br /> TAC <br /> Customer Focused Solutions <br />