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t2f016 qac Dup <br /> j <br /> LABORATORY QC REPORT ONSITE <br /> ENVIRONMENTAL <br /> VOLATILE ORGANICS BY GC/MS EPA 8260E LABORATORIES INC <br /> Date analyzed 4/7/99 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 . pg/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 N/A 20% <br /> Benzene 05 2045 2253 97% 20% <br /> Toluene 05 ND ND N/A 20% <br /> Ethyl Benzene 0 5 164 D N/A 20% <br /> m,p-Xylene 0 5 682 6 80 03% 20% <br /> o-Xviene 0 5 ND ND N/A 20% <br /> TPH-Gasoline 50 494 508 28% 20% <br /> Dibromofluoromethane 94% 95% 99% <br /> 1,2 D1chloroethane-d4 91% 93% 98% <br /> Toluene-d8 surr 98% 99% 100% <br /> 4-(3romofluorobenzene 96% 96% 97% <br /> Dilution factor {DF} 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 /> l <br /> I <br /> Onsire Environmental Laboratories Inc 5500 Boscell Common Fremont CA 94538 Tel 15101490 8571 Fax (510$4908572 <br />