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i, 1?e�oN kboraitorles <br /> Ground Zero Analysis, Inc <br /> 1714 Main Street <br /> Escalon, CA 95320 Date Sampled 12/07/01 <br /> Knowles Roek <br /> Date Received 12/07/01 <br /> Site K <br /> Prat Volatile Organics By GUMS Date Analyzed 12/13/01 <br /> Method EPA 82608 <br /> Lab ID 1312069(d) B12070 B12071 B12072(d) <br /> Sample ID KR VW-2 KR VW-4 KR VW-5 KR VW-6 <br /> Matnx Water Water Water <br /> Wafer <br /> t-Butanol (TBA) <400 <20 <20 <500 <br /> Methyl-t-Butyl Ether(MTBE) 490 1<2 0 <2 0 <50 <br /> Di-Isopropyl Ether(DIPE) <40 <2 0 <2 0 <50 <br /> Ethyl-t-Butyl Ether(ETRE) <40 <2 0 <2 0 <50 <br /> t-Amyl Methyl Ether(TAME) <40 <2 0 <2 0 <50 <br /> 1,2-Dichloroethane(1,2-DCA) <40 97 <2 0 <50 <br /> 1,2-Dlbmmoethane(EDB) <40 <2 0 <2 0 <50 <br /> QA/QC <br /> Surrogate Spike Recovery 106% 99% 101% 104% <br /> (d) Saimple diluted due to high concentration of target analytes and/or high organic content <br /> Note Water samples are reported in Ng/L soil and sludge samples in mg/kg <br /> Lfv,/b <br /> Hiram Cueto <br /> Lab Director <br /> DHS Certification No 2359 <br /> 3037 Fifth St, Ceres, CA 95307 • Phone (209) 581-9280 • Fax (209) 581-9282 <br /> I <br />