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2f016 qac-Dup <br /> LABORATORY QC REPORT ONSITE <br /> ENVIRONMENTAL <br /> VOLATILE ORGANICS BY GC/MS EPA 8260B LABORATORIES INC <br /> Date analyzed 417/99 Protect Mgr George Piantka <br /> Report# 2FO16 qac Client. URS Greiner Woodward Clyde <br /> Lab ID# 2FO16-03 Project Caltrans Shop 10 <br /> Project No 37973009NA 00 <br /> Units p g/L <br /> Matrix water <br /> Field ID Number MW-13-75 MW-13-75 Dup RPD QC Limits <br /> Target Compounds RL <br /> MTBE 05 ND ND NIA 20% <br /> Benzene 05 2045 2253 97% 20% <br /> Toluene 05 ND ND N/A 20% <br /> Ethvl Benzene 05 1 1 64 D N/A 20% <br /> m,p-Xylene 05 682 680 03% 20% <br /> o-Xvlene 05 ND ND N/A 20% <br /> TPH-Gasoline 50 494 508 28% 20% <br /> Dlbromofluoromethane 94% 95% 99% <br /> 1 2-Dichloroethane d4 91% 93% 98% <br /> Toluene-d8 surr 98% 99% 100% <br /> 4-Bromofluorobenzene 96% 96% 97% <br /> Dilution factor MR 1 1 2 5 1 <br /> Notes ND - Analytes not detected at or above the stated detection limit <br /> RL- Reporting limit <br /> DF- Dilution Factor <br /> PQL- Practical Quantitation Limit - Multiply RL by the DF to obtain the PQL for a specific sample <br /> D - Diluted out <br /> onsare Environmental Laboratories Inc 5500 Boscell Common Fremont CA 94538 Tel (510)490 8571 Fax (5101490 8572 <br />