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21`016 qac MS_MSD <br /> • <br /> LABORATORY QC REPORT ONSITE <br /> EN4IRONIAENTAL <br /> VOLATILE ORGANICS BY GC/MS EPA 8260B LABORATORIES <br /> Date analyzed 417199 Protect Mgr George Plantka <br /> Report# 2FO16 qac Chent URS Greiner Woodward Clyde <br /> Lab 1D# 2FO16 Project Caltrans Shop 10 <br /> Project No 37973009NA 00 <br /> Spiked sample 1D MW-1345 5 Units }Lg/L <br /> Matrix water <br /> Lab ID Number 2FO16-01 Spike Level 21'016-01 MS 2F016-01 MSD RPD <br /> concentr %recov concentr recov % <br /> Target Compounds RL <br /> MTBE 05 124 50 53 35 104% 5266 103% 13% <br /> Benzene 0 5 3644 50 7129 70% 7224 72% 13% <br /> Toluene 0 5 ND 50 4799 96% 4611 92% 40% <br /> Ethyl Benzene 0 5 ND 50 51 03 10200 48 93 98% 42% <br /> m Y-,lene 0 5 139 100 10096 10000 9641 95% 46% <br /> o-%Vlene 05 ND 50 51 51 10300 4881 98% 5 400 <br /> Drbromofluoromethane 95% 97% 99% <br /> 1 2 Dichloroethane d4 93% 101% 103% <br /> Toluene d8 surr 98% 100% 98% <br /> 4 8romofluorobenzene 96% 98% 97% <br /> Dilution factor{DF) 1 1 1 <br /> Notes NO 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 OF to obtain the PQL for a specific sample <br /> QC Limits % recovery 75% 120% <br /> RPD <20% <br /> Onsire Enaronmenial LaGwaianes Inc 5500 Baseell Common Fremont CA 94538 Tel t5101490 8571 Far (5101490 8572 <br />