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COLUMBIA ANALYTICAL SERVICES. V C <br /> • QA/QC Repon <br /> Cltcnt• EMCON Associates Service Request: S950271 <br /> Protect ARCO Facility No 434/EMCON Project No 1775-700 01 Date Analwed: 3/13/95 <br /> Initial Calibration Verification(ICV) Summan <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> Units ppb <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analvtc Value <br /> Result Recovery Limits <br /> Benzene 25 259 104 85-115 <br /> Toluene 25 25 0 100 85-1I5 <br /> Ethvlbcnzenc 25 253 lot 85-115 <br /> \%Icnes Total 75 7.10 99 85-115 <br /> Gasoline 250 <br /> 240 96 90-110 <br /> 1 <br /> Approved By Date <br /> f L VISAU060194 <br /> Page 6 <br /> 1 Qt nwnrwi Avcm"e • 4z— I— r ti nKAni T, , �n n I J - n <br />