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` SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 • FAX (916) 921-0100 <br /> Murray$Associates Client Project ID Langston's Market Sampled 4-1'-J3%93' <br /> ' 5051 Lexington Circle Sample Matrix Soil Received Apr 13, 1993 <br /> Loomis, CA 93650 Analysis Method EPA 5030/8015/8020 Reported Apr 27, 1993 <br /> Attention Kent Murray First Sample # 304-0435 <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit ID ID ID ID ID ID <br /> mg/kg 304-0435 304-0436 304-0437 304-0438 304-0439 304-0440 <br /> MW 1 10 MW 1 15 MW-1 18 MW 2 10' MW-2 15 MW-2, 18' <br /> urges e <br /> Hydrocarbons 10 N D 57 1,000 N D N D N D <br /> Benzene 0 005 N D 1 1 17 N D N D N D <br /> Toluene 0 005 N D 13 63 N <br /> D ND ND <br /> Ethyl Benzene 0 005 N D 014 21 N D N D N D <br /> Total Xylenes 0 005 N D 083 110 N D N D N D <br />' Chromatogram Pattern Gas Gas - <br /> Quality Control Data <br />' Report Limit Multiplication Factor 1 0 20 250 1 0 1 0 10 <br /> Date Analyzed 4/22/93 4/22/93 4/22/93 4/22/93 4/23/93 4/22/93 <br /> Instrument Identification HP-2 HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, % 98 97 11 1 98 98 <br />' (OC Limits = 70-130%) 100 <br />' Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting Lmit <br /> 6SEQUOIA ANALYTICAL <br /> Vk-d "o <br />' Michael R Giles <br /> Laboratory Director <br /> 3040435 MMM <1> <br />