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r � • <br /> CHROMALAB, INC. <br /> Environmental Services(SDB) <br /> February 10, 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: Blank spike and duplicate report for Lead analysis . <br /> Method: EPA 3050A/7420A <br /> Matrix: SOIL <br /> Lab Run#: 17255 Analyzed: February 4, 1999 <br /> Spike <br /> Spike Amount Amount Found Spike Recov % <br /> BSP Dup BSP Dup BSP Dup Control % RPD <br /> 1 Analyte (ma/Ra) (ma/Kg) M M Limits RPD Lim <br /> LEAD 250 250 258 248 103 99 . 2 80-120 3 . 76 20 <br /> r <br /> i <br /> BS SmpL #: 227442 <br /> BSD SmpL #: 227443 1220 Quarry Lane • Pleasanton, California 94566-4756 «M1226 A"Sa6:11:49 <br /> (925) 484-1919 • Facsimile (925) 484-1096 <br /> Federal ID#68-0140157 <br />