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September 21, 1996 <br /> Metals QC Report for Sample Log 15592 <br /> From : Southland / Manteca (Project# 020700364) <br /> Matrix : Soil Units : (mg/kg) <br /> Sample Spiked for MS/MSD : 15592-01 <br /> Method Blank <br /> EPA Date Date <br /> Analyte Result MRL Method Digested Analyzed <br /> Lead (Pb) <10 10 6010 09/20/96 09/20/96 <br /> MRL= Method Reporting Limit <br /> Laboratory Control Sample (LCS) <br /> Date Date <br /> Analyte % Recovery EPA Method Digested Analyzed <br /> Lead (Pb) 93 6010 09/20/96 09/20/96 <br /> LCS Limits are 85 - 115%. <br /> Matrix Spikes <br /> MS MSD EPA Date Date <br /> Analyte % Recov % Recov RPD Method Digested Analyzed <br /> Lead (Pb) 98 99 1 6010 09/20/96 09/20/96 <br /> MS = Matrix Spike MSD = Matrix Spike Duplicate RPD = Relative Percent Difference <br /> Spike Recovery Limits for Matrix Spikes are 75 - 125%. The RPD Limits are t 20%. <br /> Michelle L. Anderson <br /> Inorganics Supervisor <br />