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CHRQMALAB, INC. <br /> Environmental Services(SDB) <br /> April 16, 1998 Submission #. 9803455 <br /> HARDING LAWSON (SACRAMENTO) <br /> ' Atten Gary Haeck <br /> Pro3ect Not provided Project# 38737 . 004 <br /> Received- March 30 , 1998 <br /> re One sample for Gasoline BTEX analysis <br /> ' Method SW846 8020A Nov 1990 / 8015Mod <br /> CI i.en t Sample ID HP-1 S C <br /> ' Spl#- 177960 Matrix- SOIL <br /> Sampled March 26 , 1998 Run# 12050 Analyzed: April 9 , 1998 <br /> REPORTING BLANK BLANK DILUTION <br /> ' RESULT LIMIT RESULT SPIKE FACTOR <br /> ANALYTE (m/K m K (mg/Kg) <br /> GASOLINE 35 1 . 2 N D 76 1 <br /> BENZENE 0 29 0 . 0050 N D 98 1 <br /> TOLUENE 0 20 0 . 0050 N D 99 1 <br /> ETHYL BENZENE 0 80 0 0050 N D 97 1 <br /> XYLENES 0 30 0 0050 N.D 101 1 <br /> Note Gasoline value is estimated Surrogate Recoveries biased high due to <br /> Hydrocarbon co-elution <br /> f-<7 <br /> Vincent Vancil Michael Verona/// <br /> Chemist Operations M r er <br /> 1 <br /> i <br /> 1 <br /> 916-364-5633 ccvl3zo srexaco2zo <br /> 1220 Quarry Lane • Pleasanton, California 94566-4756 VINCE IB 31 <br /> (510) 484-1919• Facsimile (510) 484-1096 <br /> Federal ID#68-0140157 <br />