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NEI/GTEL Client ID BLA01CHVOS QUALITY CONTROL RESULTS Volatile Organics <br /> 4��D <br /> ogin NumberW7060309Method EPA S020A <br /> t ID (number) 970615 F1name} CHEVRON/9 4275/2905 W BEN3AMIN HOLT DR/STOCKTON/CA Matrix A ueous <br /> Continuing Calibration Verification Sample Summary <br /> Spike Check Sample QC Percent Acceptability Limits <br /> Analyte Amount Concentration Recovery Recovery <br /> EPA 8020A Units ug/L QC Batch 063097GC10-5 <br /> Benzene 20 0 17 0 85 0 77-123 <br /> Toluene 20 0 16 5 82 5 77 5-122 5% <br /> Ethylbenzene 20 0 17 6 88 0 63-137% <br /> Xylenes (Total) 60 0 53 7 89 5 85-115% <br /> Notes <br /> • <br /> NEI/GTEL Wichita, KS <br /> W7060309 5 <br />