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June 17, 1996 <br /> Metals QC Report for Sample Log 14890 <br /> From Beacon 641 (Project# 1641 11) <br /> Matrix Soil Units (mg/kg) <br /> Sample Spiked for MS/MSD 14890-01 (samples 01-10), 14890-11 (samples 11-20) <br /> 14890-21 (samples 21-24) <br /> Method Blank <br /> EPA Date Date <br /> Analy,te Result MRL Method Digested Anal ed <br /> Lead (Pb) <10 10 6010 06/14/96 06/17/96 <br /> MRL= Method Reporting Limit <br /> Laboratory Control Sample (LCS) <br /> Date Date <br /> Analyte % Recovery EPA Method Diciested Analyzed <br /> Lead (Pb) 97 6010 06/14/96 06/17/96 <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) 92 97 5 6010 06/14/96 06/17/96 <br /> Lead (Pb) 98 99 1 6010 06/14/96 06/17/96 <br /> Lead (Pb) 93 96 3 6010 06/14/96 06/17/96 <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 ndersan <br /> Inorganics Supervisor <br />