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rr 2f016 qac LCS_Blk <br /> (LABORATORY QC REPORT T ONSITE <br /> VOLATILE ORGANICS BY GUMS EPA 8260B LLABORaroalEs INC <br /> Date analyzed 4/7/99 Project Mgr George Piantka <br /> Report# 2FO16 qac Client URS Greiner Woodward Clyde <br /> Lab ID# 2FO16 Project Caltrans Shop 10 <br /> Project No 37973009NA.00 <br /> Units lig/L <br /> Matrix water <br /> Lab ID Number M Blank Spike level LCS QC Limits <br /> concentr % recover <br /> Target Compounds RL <br /> MT11E 05 ND 75 6847 91% 85%- 115% <br /> Benzene 05 ND 75 6649 89% 85%- 115% <br /> Toluene 05 ND 75 6480 86% 85%- 115% <br /> Ethvl Benzene 05 ND 75 6894 92% 85%- 115% <br /> m,p-Xylene 05 ND 150 132 59 88% 85%- 115% <br /> o-Xylene 05 ND 75 6869 92% 85%- 115% <br /> TPH-Gasoline 50 ND <br /> Dlbromofluoromethane 97% 99% <br /> 1 2 Dlchloroethane d4 92% 98% <br /> Toluene d8 surr 100% 100% <br /> 4-Bromofluorobenzene 94% 97% <br /> Dilution factor (DF) 1 i 1 <br /> 1 Notes NO Analytes not detected at or above the stated detection limit <br /> RL- Reporting limit <br /> DF- Dilution Factor <br /> PQL Practical Quantttatton Limit - Multiply RL by the DF to obtain the PQL for a specific sample <br /> pnsr[e Environmental Laboratories Inc 5500 Bosce}I Common Fremont CA 94538 Tel 15101490 9571 Fax (510)49(7 8572 <br />