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c <br /> Ground Zero Analysis, inc � <br /> ' 1714 Main Street <br /> i <br /> Escalon, CA 95320 Date Sampled 05/22/02 <br /> Date Received 05/23/02 <br /> ' Prol ID 95-013 TPH-g 1 BTX&E Date Analyzed 05/28/02 <br /> Site Knowles Roek <br /> Method 8015M 18020A <br /> I <br /> 1 I <br /> Lab ID C05281 005282(d) C05283 C05284 <br /> ' Sample ID KR MW-3 KR MW4 KR MW-5 KR MW-6 <br /> Matrix Water Water Water Water <br /> Total Petroleum Hydrocarbons <br /> t @ Gasoline 38,000' 35,000* 28,000 <50 <br /> ' Benzene 11,000 8,900 3,300 0 7 <br /> I <br /> I <br /> Toluene 17 <12 5 360 <0 5 <br /> Xylenes 17 �510 2,000 <i 0 <br /> Ethyl Benzene 42 1860 1,300 <0 5 <br /> QA1QC <br /> Surrogate Spike Recovery 85% 85% 79% 86% <br /> ' Tnfluorotoluene ' <br /> 1 1 <br /> ' `Gas ca primarily composed of benzene and/or MTBE <br /> (d) Higher detection limas are due to dilution factors Sample diluted due to high organic content <br /> Note water samples are reported in mg/L sod and sludge samples in mg/kg <br /> 1 I <br /> ' Hiram Cueto <br /> Lab Director <br /> DHS Certification No 2359 i <br /> 1 I <br /> 3037 Fifth St, Ceres, CA 95307 Phone (209) 5819280 e Fax (209) 5819222 <br />