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0 <br /> CHROMALAB, INC. <br /> Environmental Services(SDB) <br /> February 8, 1999 Submission #: 9902051 <br /> ' URS GREINER <br /> Atten: Hollis Phillips <br /> Project: ARCH RD Project#: 43-00066762 . 004000 <br /> Received: February 3 , 1999 <br /> re: Matrix spike report for Gasoline BTEX analysis . <br /> Method: SW846 8020A Nov 1990 / 8015Mod <br /> ` Matrix: SOIL <br /> Lab Run#: 17271 Instrument: 3400-1 Analyzed: February 4, 1999 <br /> Spiked <br /> Sample Spike Amt Amt Found Spike Recov $ <br /> Amount MS MSD MS MSD MS MSD Control % RPD <br /> Analyte (mq/Kq) (ma/Ka) (ma/Ka) M M Limits RPD Lim <br /> rGASOLINE N.D. 0 .475 0 .417 0 .303 0 . 343 63 . 8 82 .2 65-135 25. 2 35 <br /> BENZENE N.D. 0 . 0950 0 . 0835 0 . 0750 0 . 0741 78 . 9 88 . 7 65-135 11. 7 35 <br /> TOLUENE N.D. 0 . 0950 0 . 0835 0 . 0766 0 . 0749 80 . 6 89 . 7 65-135 10 .7 35 <br /> ETHYL BENZENE N.D. 0 . 0950 0 . 0835 0 . 0734 0 . 0712 77 .3 85 .3 65-135 9 . 84 35 <br /> XYLENES N.D. 0 .285 0 .250 0 .221 0 .214 77 . 5 85 . 6 65-135 9 . 93 35 <br /> Sample Spiked: 227252 <br /> Submission #: 9902029 <br /> Client Sample ID: PL-GD-1 <br /> 1 <br /> ' MS Smpl #: 227537 1220 Quarry Lane • Pleasanton, California 94566-4756 LEV2 <br /> MSD Smpl #: 227538 (925) 484-1919 • Facsimile (925) 484-1096 CCMSPK1229 VINCE 09-Fa499 11:20 <br /> Federal ID #68-0140157 <br />