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1 <br /> CHROMALAB, INC. <br /> Environmental Services(5DB) <br /> JMay 28 , 1998 Submission #: 9805267 <br /> ERM-WEST WALNUT CREEK <br /> Atten. James Ackerman <br /> Project UP-STOCKTON Project# 8187 25 <br />' Received. May 18 , 1998 <br /> re: One sample for Gasoline BTEX analysis . <br /> Method- SW846 8020A Nov 1990 / 8015Mod <br /> Client Sample ID: B-5-31 .5 ' <br /> Spl#: 186381 Ma trax: SOIL <br /> Sampled: May 18, 1998 Run#:12921 Analyzed: May 27, 1998 <br /> REPORTING BLANK BLANK DILUTION <br /> - RESULT LIMIT RESULT SPIKE FACTOR <br /> ANALYTE {ma/Ka} (mg/,Ks.) (ma/Kg) M <br /> GASOLINE N D. 20 N.D 110 2 <br /> BENZENE N D. 1 . 2 N D. 96 2 <br /> TOLUENE N.D 1 . 2 N D. 100 2 <br /> ETHYL BENZENE N.D. 1 2 N.D 112 2 <br /> XYLENES 6 2 1 2 N.D 113 2 <br /> Note Hydrocarbon found in Gasoline Range is uncharacteristic of Gasoline <br /> Profile If quantified using Gasoline's response factor, concentration <br /> would agual 140mg/Kg <br /> Vincent Vancil Michael Verona <br />' Analyst Operations Manager <br /> I <br /> 1 <br /> I <br /> Gc Y1350-BTEXQCOZ20 <br /> 1220 Quarry Lane • Pleasanton, California 94566-4756 VINCE09 iz <br /> (925) 484-1919 • Facsimile (925) 484-1096 <br /> Federal ID #68-0140157 <br />