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1pdp�� <br /> 'l Li COLUMBIA ANALYTICAL SERVICE: 1C. <br /> QA/QC Report <br /> Client ARCO Products Companv Service Request 59600232 <br /> Project 1775-206 002/TO#19350 00 1 548 Stockton Date Analyzed: 2/12196 <br /> Initial Calibration Verification(ICV) Summary <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 /> Analyte Value Result Recovery Limits <br /> Benzene 25 242 97 85-115 <br /> Toluene 25 244 98 85-115 <br /> Ethvlbenzene 25 244 98 85-115 <br /> Xylenes Total 75 748 100 85-115 <br /> Gasoline 250 239 96 90-110 <br /> K V25auonol04 <br /> Page 7 <br />