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r <br /> HOUSTON LABORATORY <br /> 6880 INTERCHANGE DRIVE <br /> HOUSTON TEXAS 77054 <br /> eretificate of Analysis Na. H9-991041$-03 PHONE(713)660 0901 <br /> BP Oil Company <br /> 295 SW 41st Bldg 13 , Ste N P O # <br /> Renton, WA 98055 J131881 , COC#100527 <br /> ATTN Scott Hooton 11/08/99 <br /> PROJECT: #11193 , 3202 W Hammer Lane PROJECT NO: 852-1530 <br /> SITE: Stockton CA MATRIX: SOIL <br /> SAMPLED BY: Cambria Env Technology DATE SAMPLED: 10/08/99 08 13 00 <br /> SAMPLE ID: CB-3-13 5 ft DATE RECEIVED: 10/12/99 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS PQL* UNITS <br /> Benzene ND 5 ug/Kg <br /> Ethylbenzene ND 5 ug/Kg <br /> Toluene ND 5 ug/Kg <br /> Xylenes (total) ND 5 ug/Kg <br /> Methyl t-butyl ether 28000 2500 ug/Kg <br /> t-Amyl Methyl Ether 58 10 ug/Kg <br /> SURROGATES AMOUNT LOWER UPPER <br /> SPIKED RECOVERY LIMIT LIMIT <br /> 1, 2-Dichloroethane-d4 50 ug/Kg 98 70 120 <br /> Toluene-d8 50 ug/Kg 90 80 140 <br /> 4-Bromofluorobenzene 50 ug/Kg 88 74 13 <br /> ANALYZED BY FT DATE/TIME 10/19/99 16 46 00 <br /> METHOD 8260 Soil , Volatile Organics <br /> NOTES * - Practical Quantitation Limit ND - Not Detected <br /> NA - Not Analyzed <br /> COMMENTS : <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance <br /> SPL California License # 1903 <br />