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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 4/12-13/93 <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 # 304-0441 <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 304-0441 304-0442 304-0443 304-0444 304-0445 304-0446 <br />' SB 9 18' MW 3 10' MW 3 15 MW 3, 18 MW-4, 10 MW 4, 15' <br /> urgea e <br /> Hydrocarbons 1 0 N D 1 3 N D 11 3 6 N D <br /> Benzene 0 005 0 1 1 Oil N D 41 0 030 N D <br />' Toluene 0 005 0 025 0 32 N D 0 71 0 13 N D <br />' Ethyl Benzene 0 005 N D 0 046 N D 016 0 076 N D <br /> Total Xylenes 0 005 0 048 026 N D 12 044 N D <br />' Chromatogram Pattern Gas Gas Gas Gas - <br />' Quality Control Data <br />' Report Limit Multiplication Factor 1 0 1 0 1 0 50 1 0 1 0 <br /> Date Analyzed 4/22/93 4/22/93 4/22/93 4/23/93 4/22/93 4/22/93 <br />' Instrument Identification HP-2 HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, % 106 100 96 101 102 99 <br />' (QC Limits = 70-130%) <br />' Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA AWANALYTICAL <br /> L"1N(�/ <br />' Michael R Giles l <br /> Laboratory Director 3040435 MMM -<2> <br />