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MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS: METALS LABORATORY CONTROL SPIKE SUMMARY y <br /> Y I <br /> CLIENT: Western GED <br /> CONTACT: G. Converse Date Sampled: N/A <br /> COC No., 3800 Date Received: N/A <br /> Project No: R-603 Date Extracted: 3/11/93 <br /> Sample ID• N/A Date of ,Analysis: 3/11/93 <br /> �f Lab ID: LCS/LCSD Matrix: WATER <br /> E IM i <br /> 933 CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY RPD <br /> (PPM) LCSLCSD LCS LCSD <br /> . CADMIUM 3 . 6 <br /> 3 .3'1 3 .42 94% 95% 1� <br /> € CHROMIUM 3 . 6 3 . 51 3 .48 98% 97% 1% <br /> i <br /> a LEAD 3 . 6 3 .29 3 . 36 91% 93% 2 <br /> NICKEL 3 . 6 3 .4'4 3 .38 96% 94% 2& <br /> ZINC 1.8 1.76 1. 69 98% 94% 40. <br /> i <br /> LCS= LABORATORY CONTROL SPIKE ; <br /> s LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br /> 3 <br /> 15 it <br /> 1k k <br /> Y <br /> a a <br /> i <br /> 7 <br /> i <br /> 3017 KILGORE ROAD #110 • RANCHO CORDOVA, CA 95742 h PHONE (916) 635-3962 • FAX (916) 635-9331 <br />