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Y <br /> COLUMBIA.ANALYTICAL SERVICE XC <br /> QA/QC Report <br /> Client- ARCO Products Companv Service Request: 59600231 <br /> Project 1775-220 0021 TO#19350 00/2076 Lodi Date Analyzed: 2112196 <br /> Initial Calibration Verification(ICV) Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020/California DHS LUFT Method <br /> Units ppb <br /> CAS <br /> Percent <br /> Recovery <br /> True 'Percent Acceptance <br /> Analvte Value Result Recovery Limits <br /> Benzene 25 242 97 85-115 <br /> Toluene 25 244 98 85-115 <br /> Ethylbenzene 25 244 98 85-115 <br /> Xylenes Total 75 74 8 100 85-115 <br /> Gasoline 250 239 96 90-110 <br /> ICV25AU060194 Page 7 <br />