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TABLE 6 <br /> FLOW RATES AND ANALYTICAL RESULTS <br /> OF AIR SAMPLE ANALYSES-UNIT 1 (SL.NO.9321) <br /> ARCO Facility No.6100 <br /> 25775 South Patterson Pass Road <br /> Tracy,California <br /> Date Flowrate Influent I Vacuum* Sample Analyses m3 <br /> sefm1 acfm Te eF "WC ID GRO Benzene Toluene I Eth ]benzene Xylenes MME <br /> O=Gasoline Range Organics(C4-C12) <br /> MTBE=Methyl tertiary butyl ether <br /> C=inches of water column. • <br /> t•/mt=milligrams per cubic meter <br /> Temp.=Temperature in degree Fahrenheit <br /> Standard flow rate(scfn)measured using standard calibrated devices is converted to actual flow rate(acfm)using the following formulas: QAIQC Review: <br /> Pressure corrected influent flow rate = Total influent ah flow rate scfm•((406.8"WC-"WC)1406.MC) A=Data accepted without qualification <br /> Temperature Corrected influent flow rate = Pressure corrected flow rate '((460 R+68deg Fy(deg F+460 R)) 7=Data accepted with qualification <br /> hLf Total=Total flow from field R=Data rejected <br /> Int Cat=Total field flow+Dilution Air <br /> =Average vacuum <br /> 'Field data sheets record flow rate(inches ofwater column,units)into the SVE system using a differential pressure guage and pitot tube <br /> These readings were converted to flowrate(acfm,units)in 2-inch diameter pipe <br /> 1]Primary and confirmation results varied by greater than 40%Relative Percent Difference(RPD). <br /> (2]Reporting limits were raised due to high level of analyte present in the sample. <br /> [3]Estimated value,less than reporting limits,but over the method detection limits. <br /> (4j The reported results may be biased low since the analyses for these analytes were performed beyond the U.S.EPA recommended holding time. <br /> Waco 6100 os.M Page 2 of 2 STRATUS <br />