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1 <br /> CHROMALAB, INC. <br /> Environmental Services(SDB) <br /> July 17, 1998 Submission #: 9807193 <br /> HARDING LAWSON (SACRAMENTO) <br /> Atten- Gary Haeck <br /> ' Protect: NEWARK SIERRA/STOCKTON Project#: 41017 <br /> Received: July 16, 1998 <br /> re - One sample for BTEX analysis . <br /> Method SW846 8020A Nov 1990 <br /> Client Sample ID: T-9 <br /> rSpl#. 195513 Matrix: SOIL <br /> Sampled: July 15, 1998 Run#:13774 Analyzed. July 16, 1998 <br /> REPORTING BLANK BLANK DILUTION <br /> RESULT LIMIT RESULT SPIKE FACTOR <br /> ANALYTE (=T/Ka) (mgf Kcr) (ma/Ker) M <br /> BENZENE N D 0 . 0050 N D. 99 1 <br />' TOLUENE N D. 0 0050 N D. 96 1 <br /> ETHYL BENZENE 0 . 0093 0 0050 N D 92 1 <br /> XYLENES 0 . 0069 0 0050 N D 90 1 <br /> Note Surrogate Recoveries demonstrate Matrix interference <br /> rVincent Vancil Mi6hael Verona <br /> Analyst Operations Manager <br /> 1 <br /> 1 ' <br /> i <br /> i <br /> r <br /> r <br /> r <br /> GCV1320 BTEXQCO220 <br /> 1220 Quarry Lane • Pleasanton, California 94566-4756 GUM 1026 <br /> (925) 484-1919 • Facsimile (925) 484-1096 <br /> Federal ID #68-0140157 <br />