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January 31, 1995 <br />' Metals QC Report for Sample Log 11138 <br /> From Project# 2088 07 (Granite Construction) <br />' Matrix Soil Units (mg/kg) <br /> Sample Spiked for MS/MSD 11138-1 (samples 1-10), 11138-9 (sample 11) <br />' Method Blank <br /> EPA Date Date <br /> Analyte Rejult MRL Method Digested Analyzed <br /> Lead (Pb) <10 10 6010 01/25/95 01/30/95 <br /> MRL = Method Reporting Limit <br /> Laboratory Control Sample (L.CS) <br />' Date Date <br /> Analyk % Recovery EPA Method --Digested -Anai=d <br /> Lead (Pb) 94 6010 01/25/95 01/30/95 <br /> LCS Limits are 85 - 115% <br />. Matrix Spikes <br /> MS MSD EPA Date Date <br /> Analyte % Reco-y-_ % Recov REQ __ Method Digested Analyzed <br /> Lead (Pb) 105 96 9 6010 01/25/95 01/30/95 <br /> Lead (Pb) 108 115 6 6010 01/25/95 01/30/95 <br />' MS = Matrix Spike MSD = Matrix Spike Duplicate RPD W Relative Percent Difference <br /> Spike Recovery Limits for Matrix Spikes are 75 - 125% The RPD Limits are t 20% <br /> I <br /> Michelle L Anderson <br /> Inorganics Supervisor <br /> 1 <br /> I <br />