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T*E 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 Vacuum* Sample Analyses(m m3 <br /> (scfrrt)t (acfrn) Te "WC ID ORO Benzene Toluene Eth ]benzene X lens MTBE <br /> 03/09/04 19307 168 53 13000 1000 6100 1 INF 3904 2,800 A 12[1] 1 7 2[1] I <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 113 77 18300 1000 610OTlINF452004 15,000[2] A 270[2] A 170[2] A 8 7[21 A 150[2] A <5 0[2] A <br /> 610OClINF452004 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 /> 05/03/04 177 59 16046 11000 1000 6100INF1-5304 2,600 A 57 A 42 A 29 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 /> 06/07/04 83 22 77 14 9000 1400 6100T11NF672004 9,200[21 A 180[2] A 160[2] A 9 3[2] A 130[2] A <2 5[2] A <br /> 610OClINF672004 4,100[2] A 84[2} A 68[2} A 3 8[2] A 57[2] A <2 5[2] A <br /> 61001EFF672004 <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 /> TBE=Methyl tertiaty butyl ether <br /> C=inches of water column <br /> mg/ml=milligrams per cubic meter <br /> Temp =1'emperature m degree Fahrenheit <br /> Standard flow rate(scfm)measured using standard cabbrated devices is converted to actual flow rate(acini)using the following formulas QA/QC Review <br /> Pressure corrected influent flow rate = Total influent air flow rate scfin*{(406 8"WC-"WC)/406 8"WC) A=Data accepted without qualification <br /> Temperature Corrected mfluent flow rate = Pressure corrected flow rate *((460 R+68degF)!(deg F+460 R)) 7—Data accepted with qualification <br /> 1nf Total=Total flow from field R—Data rclected <br /> f Cat=Total field flow+Dilution Air <br /> #—Average vacuum <br /> 'Field data sheets record flow rate(inches of water cohmin,units)mto the SVE system using a differential pressure guagc and pAot tube <br /> These rcadmgs were converted to flowratc(acfnr,units)m 2-mch diameter pipe <br /> [1 I Primary and confirmation results vaned by greater than 40%Relative Percent Difference(RPD) <br /> [21 Reporting limits were raised due to high level of analyte present in the sample <br /> [31 Estimated value,less than reporting limits,but oNcr the method detection limits <br /> ARCO-6 100 0&tit Page 1 of 1 S TRA TUS <br />