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2f016 qac LCS B1k <br /> • <br /> ]LABORATORY QC REPORT ONSITE <br /> ENVIRONmENTAL <br /> VOLATILE ORGANICS BY GC/MS EPA 8260E r_aeow►OFBES INC <br /> Date analyzed 4/7/99 Project Mgr George Piantka <br /> Report# 2FO16 qac Client URS Greiner Woodward Clyde <br /> Lab ED# 2FO16 Project Caltrans Shop 10 <br /> Project No 37973009NA.00 <br /> Units gg/L <br /> Matrix water <br /> Lab 1D Number M Blank Spike level LCS QC Lirruts <br /> concentr % recovery <br /> Target Compounds RL <br /> MTBE 0 5 ND 75 6847 91% 85%- 115% <br /> Benzene 0 S ND 75 6649 89% 85%- 115% <br /> Toluene 05 ND 75 64 80 86% 85%- 115% <br /> Ethyl Benzene 0 5 ND 75 68 94 92% 85%- 115% <br /> rn'p-Xvlene 0 5 ND 150 13259 88% 85%- 115% <br /> o-Xylene 0.5. ND 75 6969 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 /> 4-8romofluorobenzene 94% 97% <br /> Dilution factor (DF) 1 1 1 <br /> I <br /> i <br /> Notes ND Analytes not detected at or above the stated detection limit <br /> RL- Reporting limit <br /> DF - Dilution Factor <br /> PCL- Practical Quantitation Limit Multiply RL by the DF to obtain the PQL for a specific sample <br /> Onsite Environmental Laboratories the 5500 Boscell Common Fremont CA 94538 Tel 15101490 8571 Fax 15101490 8572 <br />