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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR AA METALS <br />' Date: 06/02/95 Matrix: Soil <br />' Concentration % Recovery <br /> Analyte (mg/kg,mg/L) Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> Total Lead 0.0 4.5 4.7 5 91 93 2.6 <br />' Total Cadmium 0.0 4.6 4.6 5 91 93 1.5 <br /> Total Chromium 0.0 4.5 4.6 5 90 93 2 8 <br /> Total Nickel 0.0 4.6 4.8 5 93 95 2.8 <br />' Total Zinc 0.0 4.6 4.7 5 93 95 2.1 <br /> STLC Lead 0.00 4.35 4.49 5.0 87 90 3.2 <br /> Total Copper 0.00 4.54 4 60 5 0 91 92 1.3 <br /> 1 <br />' % Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />