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• TA 6 i <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 Vacuum* Sample Analyse (mg/m') <br /> scfrn i acfm Tem °F "WC ID GRO Benzene Toluene Eth lbenzene Xylenes MTBE <br /> 03/09/04 19307 16853 13000 1000 61001 INF 3904 2,800 A 12[l] J 7 2 [1] J <2 5 A 41 A 51 A <br /> 6100 1 EFF 3904 28 A 031 A <0 10 A <0 10 A <0 10 A 041 A <br /> 04/05/04 14204 11377 18300 1000 6100TlINF-452004 15,000[2] A 270[2] A 170[2] A 8 7[2] A 150[2] A <5 0[2] A <br /> 61000]INF-452004 1,300 A 23 A 15 A 081 A 14 A <0 50 A <br /> 61001EFF-452004 <50 A <0 50 A <0 50 A <0 50 A <1 0 A <0 50 A <br /> 05/03/04 17759 16046 11000 1000 6100INF I-5304 2,600 A 57 A 42 A 28 A 29 A <1 0 A <br /> 6100EFFI-5304 <50 A <0 50 A <0 50 A <0 50 A <1 0 A <0 50 A <br /> I <br /> 06/07104 8322 7714 9000 1400 6100TIrNF672004 9,200[2] A 180[2] A 160[2] A 9 3[2] A 130[2] A <2 5[2] A <br /> 6100CIINF672004 4,100[2] A 84[2] A 68[2] A 3 8[2] A 57[2] A <2 5[2] A <br /> 6100]EFF672004 <50 A <0 50 A <0 50 A <0 50 A 0 33[3] A <0 50 A <br /> RO=Gasoline Range Organics(C4-C12) <br /> MTBE—Methyl tertiary butyl ether <br /> C—inches of water column <br /> g/rn =milligrams per cubic meter <br /> Temp =Temperature in degree Fahrenheit <br /> Standard flow rate(scfm)measured using standard calibrated devices is converted to actual flow rate(acfm)using the following formulas QA/QC Review <br /> Pressure corrected influent flow rate = Total influent air flow rate scfm*{(406 8"WC- WC)/406 8"WC) A=Data accepted without qualification <br /> Temperature Corrected influent flow rate = Pressure corrected flow rate *{(460 R+6adeg Fy(deg F+460 R)) J=Data accepted with qualification <br /> of Total=Total flow from field <br /> R Data refected <br /> of Cat=Total field flow+Dilution Air <br /> *=Average vacuum <br /> i Field data sheets record flow rate(inches of water 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 /> 11]Primary and confirmation results vaned by greater than 40%Relative Percent Difference(RPD) <br /> 12]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 /> ARCO_61oo_0&M Page 1 of I 5TRATUO <br />