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1 <br /> )COLUMBIA ANALYTICAL SERVICES, 4C <br /> QA/QC Report <br /> . Client ARCO Products Companv Servile Request 59600215 <br /> Project: 1775-212 002/TO419350 001#760 LODI Date Analyzed 217196 <br /> Initial Calibration Verification IC Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LOFT Method <br /> Units ppb <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte VAIuC Result Recovery Limits <br /> Benzene 25 25 0 100 85-115 <br /> Toluene 25 25 1 100 85-115 <br /> Ethvlbenzene 25 24 9 100 85-115 <br /> Xylenes Total 75 73 3 98 85-115 <br /> Gasoltnc 250 225 90 90-110 <br /> 1 <br /> ELV25AL/060194 Page 9 <br /> 9000215 XLS w�b��wl 'J2tl'W <br />