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F <br /> f,10`uanterra <br /> Environmental <br /> Services <br /> DUPLICATE CONTROL SAMPLE REPORT <br /> Air Toxics ` <br /> Project 116830 <br /> Category. TO-3-BTEX Method TO-3 - BTEX 1 <br /> Matrix AIR <br /> S <br /> QC Lot. 19 JAN 96-A5 Date Analyzed- 19 JAN 96 <br /> Concentration Units. ppmv <br /> Concentration Accuracy Precision <br /> Analyte Spiked Measured Average (t) (RPD) <br /> DCSI Qual DCS2 Qual AVG DCS' Limits DCS Limit <br /> Benzene 0 400 0 334 0 321 0 328 82 80-120 4.0 20 <br /> Toluene 0 400 0 342 0 337 0 340 85 80-120 1 5 20 <br /> Category TO-3-TVPH Method TO-3 - TVPH <br /> Matrix AIR <br /> QC Lot 19 JAN 96-A5 Date Analyzed 19 JAN 96 <br /> Concentration Units ppmv <br /> z Concentration ' Accuracy Precision <br /> Analyte Spiked Measured Average (t) (RPD) <br /> DC81 Qual DCS2 Qual AVG DCS Limits DCS Limit <br /> - - 1 <br /> TVPH as Gasoline 9 19 9 58 9 73 9 66 1.05 80-120 15 , 0 <br /> Calculations are performed before rounding co avec rou1-:c-cff -_ ca_c-fated results <br />