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s r 2E097.gac(2) <br /> I <br /> i <br /> ONSITE <br /> LABORATORY QC REPORT <br /> ENVIRONMENTAL <br /> Volatiles by GUMS LABORATORIES,INC, <br /> 1 <br /> c Date sampled : 8/1.1/98 Project Mgr: Ery Rifenburg <br /> Date received : 8111198 Client : Foothill Eng. r <br /> Date analyzed : 8/11/98 Project : Sunwest Liq. <br /> Date reported : 8111/98 Units`: µg/Kg <br /> Report# : 2Eo97.QAC Matrix : soil <br /> i <br /> Lab ID Number Method Spike LCS <br /> Blank level Conc. 'j %Recov. <br /> Target Compounds RL i <br /> Methyl t-butyl ether(MTBE) 5 ND 25 28.3 .'i 113% <br /> Benzene 5 ND 25 20.6 '� 82% <br /> Toluene 5 ND 25 21.0 84% <br /> Ethyl Benzene 5 ND 25 20.3 81% <br /> m,p-Xylenes 5 ND 50 39.8 ',i 80% <br /> Xylene 5 ND 25 24.8 99% <br /> 1,2-Dichloroethane-d4 105% 123% <br /> Toluene-d8 98% 100% 11 <br /> 4-Bromofluorobenzene 105% 100% ! <br /> Dilution factor(DF) 1 1 ! <br /> ' I <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 /> I` <br /> f <br /> } <br /> Onsite Environmental Laboratories, Inc. 5500 Boscell Common, Fremont CA 94538 Tel: (510)490-8571 Fax: (510)490-8572 <br />