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GTEL Client ID BLAO1CHV08 QUALITY CONTROL RESULTS <br /> gin Number W6080414 Volatile Organics <br /> sect ID (number) 960821-K2 Method EPA 8020A <br /> ra ect ID (name) CHEVRON/9-0342/1347 S EL DORADO ST/STOCKTON/CA Matrix Aqueous <br /> 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 090396GC4-1 <br /> Benzene ZQ 0 16 4 82-0 77-123% <br /> Toluene 20 0 16 3 81 5 77 5-122 5% <br /> Ethylbenzene 20 0 16 5 82 5 63-137% <br /> Xylenes (Total) 60 0 52 2 87 0 85-115% <br /> TPH as Gasoline 500 568 114 80-120X <br /> Notes <br /> QC check source Supelco #LA12389 <br /> l <br /> GTEL Wichita KS <br /> W6080414 4 <br />