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11 <br /> ►r�uanterra <br /> Environmental <br /> DUPLICATE CONTROL SAMPLE REPORT services <br /> drocarbon Work Cell <br /> oject: 096392 <br /> Category: TPH-D-TR-A Petroleum Hydrocarbons (Diesel ), Tri -Regional <br /> Testcode: TPH-D-TR-A Method: TPH-D-TRIREGIONA <br /> Matrix: AQUEOUS Concentration Units: ug/L <br /> QC Lot: 03 DEC 97-11B Analyzed Date: 07 DEC 97 Time: 16:43 <br /> ---------Concentration-------- Accuracy Precision <br /> Analyte Spiked ---Measured----- M (RPD <br /> DCS1 DCS2 DCS1 DCS2 Limits DCS Limit <br /> Diesel Fuel 300 235 240 78 80 63-125 2.4 19 <br />' ---Concentration-------- <br /> Surrogate Spiked --Measured----- Accuracy(%) <br /> DCS1 DCS2 DCS1 DCS2 Limits <br /> o-Terphenyl 40.0 37.7 38.1 94 95 50-150 <br /> 1 <br /> 1 <br /> 1 <br /> f <br /> fCalculations are performed before rounding to avoid round-off errors in calculated results. <br /> • <br /> I <br />