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CHROMALAB, INC. <br /> Environmental Services(SDB) <br /> July 23 , 1997 Submission #: 9707210 <br /> Atten: Jonathon Goodmacher/CONST <br /> Project: CINTRA HOMES TRACY P oject#: 20-0442 <br /> Received: July 16, 1997 <br /> r. re: One sample for Gasoline BTEX analysis . <br /> Method: SW846 8020A Nov 1990 / 8015Mod <br /> Client Sample ID: SPOILS#1 <br /> Spl#: 140049 Matrix: SOIL <br /> Sampled: July 15, 1997 Run#: 7865 Analyzed: July 22, 1997 <br /> RE ORTING BLANK BLANK DILUTION <br /> RESULT LIMIT RESULT SPIRE FACTOR <br /> ANALYTE m K R m K <br /> GASOLINE 680 00 N.D. --- 5 <br /> BENZENE N.D. . 1 N.D. 106 5 <br /> TOLUENE 4 . 9 . 1 N.D. 108 5 <br /> ETHYL BENZENE 9 . 5 . 1 N.D. 110 5 <br /> XYLENES 50 1 . 1 N.D. 112 5 <br /> Note: Surrogate Recoveries biased high due to Hydrocarbon co-elution. <br /> . Kayvan Kimyai Marianne Alexander <br /> Chemist Gas/BTEX Supervisor <br /> I ; <br /> 6 . <br /> l�- A <br /> F <br /> See COC <br /> 1220 Quarry Lane• Pleasanton, California 94566-4756 PMV1350:BTEX000220 <br /> r (510) 484-1919• Facsimile (510) 484-1096 utxasvnM,s:so <br /> Federal ID#68-0 40157 <br />