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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 /> re: One sample for Gasoline BTEX ana ysis . <br /> Method: SW846 8020A Nov 1990 / 8015Mod <br /> Client Sample ID: SPOILS#2 <br /> Spl#: 140050 Matrix: SOIL <br /> Sampled: July 15, 1997 Run#: 7865 Analyzed: July 23 , 1997 <br /> RE ORTING BLANK BLANK DILUTION <br /> RESULT LIMIT RESULT SPIKE FACTOR <br /> ANALYTE R � K m R <br /> GASOLINE 5000 4.800 N.D. -- 40 <br /> BENZENE N.D. 25 N.D. 106 40 <br /> TOLUENE 53 �5 N.D. 108 40 <br /> ETHYL BENZENE 79 25 N.D. 110 40 <br /> XYLENES 380 B5 N.D. 112 40 <br /> Note: Surrogate Recoveries biased high due to Hydrocarbon co-elution. <br /> 1- <br /> R., ayvan Kimyai rianne Alexa d r <br /> Ma <br /> Chemist Gas/BTEX Supervisor <br /> �4 <br /> s <br /> if <br /> 3 + <br /> See COC 1220 Quarry Lane • Pleasanton, al,,orn,a 94566-4756 PMV1350:8TEXCCO220 <br /> (510) 484-1919 • Facsimile (510) 484-1096 ALEXANDM 13:14 <br /> Federal ID#68-01 0157 <br />