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1 <br /> f &[U@ laboratories <br /> 1 <br /> • <br /> GROUND ZERO ANALYSIS, INC <br /> ' 1714 Main Street Date(s)Sampled 11/21100 <br /> Escalon,CA 95320 11/22/00 <br /> Date Received 11/22/00 <br /> ' Prol ID 186 TPH-g I BTXBE Date Analyzed 11/30/00 <br /> Site Knowles Roek <br /> Method 8015M t 8020A <br /> Lab ID A11301 A11302 A11303 A11304 <br /> Semple ID KR MW-1 KR MW-2 KR MW-3 KR MW-4 <br /> Matrix Water Water Water Water <br /> ' Total Petroleum Hydrocarbons 160 290 36,000 140,000 <br /> @ Gasoline <br /> ' Benzene 15 32 10,000 34,000 <br /> Toluene <0 5 <0 5 15 36 <br /> Xylenes 0 7 71 31 4,800 <br /> . Ethyl Benzene <0 5 9 8 28 2,800 <br /> ' <br /> QA/QC <br /> Surrogate Spike Recovery 86% 95% 100% 95% <br /> water samples are reported in ug/1,soil and sludge samples in mglkg <br /> Hiram Cueto <br /> ' Lab Director <br /> DHS Certification No 2359 <br /> • <br /> I ' 3037 R6 St, Ceres, CA 95307 0 None (209) 581-9280 0 Fax (209) 581-9282 <br />