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I l <br /> • Ground Zero Analysis, Inc � <br /> 1714 Main Street Date Sampled 11/13102 <br /> Escalon,CA 95320 11/14/02 <br /> Date Received 11/14/02 <br /> Prol ID 186 TPH-g 1 BTX&E Date Analyzed 11/18/02 <br /> Site Knowles Roek <br /> Method 8015M!8020A <br /> Lab ID C11291 011292 C11293 C11294 <br /> Sample ID KR MW-3 KR MW-4 KR MW-5 KR MW-6 <br /> Matrix Water Water Water Water <br /> Total Petroleum Hydrocarbons <br /> @ Gasoline 35,000* 39,000* 7,500' <50 <br /> Benzene 12,000 8,500 610 <0 5 <br /> Toluene 21 43 B8 <0 5 <br /> Xylenes 31 1,200 290 <1 0 <br /> Ethyl Benzene - 45 1,700 200 <05 <br /> QAIQC <br /> Surrogate Spike Recovery 94% 94% 92% 92% <br /> Tnfluorotolvene <br /> I <br /> Gas is pnmanly composed of benzene <br /> Note Water samples are reported inµgll-,sod and sludge samples in mglkg <br /> I <br /> lramAue'to <br /> Lab Director <br /> DHS Certification No 2359 <br /> • <br /> 1 <br /> 3037 Fifth St, Gres, CA 95307 0 Phone (209) 5819280 Fax (209) 581-9282 <br />