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GTEL Client ID BLAOICHV08 QUALITY CONTROL RESULTS <br /> Wogin Number W6020161 Volatile Organics <br /> roject ID (number) 960207-Z2 Method EPA 8020 <br /> Project 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 8020 Units ug/L QC Batch 022096GC17-3 <br /> Benzene 20 0 22 5 113 77-123% <br /> Toluene 20 0 23 1 116 77 5-122 5% <br /> Ethylbenzene 20 0 21 8 109 63-137% <br /> Xylenes (Total) 60 0 67 4 112 85-115% <br /> TPfl as Gasoline 500 585 117 80-120% <br /> Notes <br /> QC check source 5upelco #LA12389 <br /> GTEL Wichita KS <br /> W6020161 4 <br />