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Qwuanterra <br /> Environmental J <br /> Services <br /> MATRIX SPIKE/MATRIX SPIKE DUPLICATE QC REPORT <br /> Volatile Organics by GC <br /> Project: 092398 <br /> i <br /> J <br /> Category: TPH-GAS-A TPH by Purge and Trap GC-FID <br /> Test: TPH-GAS-TR-SPE-A Method: P/T-GAS-TR .� <br /> Matrix: AQUEOUS <br /> Sample: 092253-0001 <br /> MS Run: 31 'MAR 97-65A <br /> Units: ug/L -� <br /> -- Concentration - <br /> Sample MS MSD Spiked %Recovery Control RPD <br /> Analyte Result Result Result MS/MSD MS MSD Limits %RPD Limit <br /> Gasoline ND 974 980 1000 97 98 80-118 0.56 20 l <br /> f <br /> J <br /> Category: TPH-GAS-A TPH by Purge and Trap GC-FID <br /> Test: TPH-GAS-TR-SPE-A Method: P/T-GAS-TR <br /> Matrix: AQUEOUS <br /> Sample: 092402--0010 J <br /> MS Run: 02 APR 97-65A <br /> Units: ug/L <br /> ---------- Concentration --------- <br /> Sample MS MSD Spiked %Recovery Control RPD 1 <br /> Analyte Result Result Result MS/MSD MS MSD Limits %RPD Limit f <br /> Gasoline ND 979 990 1000 98 99 80-118 1.1 20 <br /> J <br /> J <br /> 1 <br /> ND = Not Detected <br /> Calculations are performed before rounding to avoid round-off errors in calculated results. I <br /> s <br /> t , <br />