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December 26, 1995 <br />Metals QC Report for Sample Log 13550 <br />From Beacon 610 (Project # 94-610-01) <br />Matrix Water Units (mglL) <br />Sample Spiked for MS/MSD 13554-01 <br />Method Blank <br />Date Date <br />Analyte Result _ MRL EPA Method„ „Digested _ Analyzed <br />Iron (Fe) <0 10 010 6010 12/13/95 12/22/95 <br />MRL = Method Reporting Limit <br />Laboratory Control Sample (LCS) <br />Date Date <br />Analyte _ _ % Recovery EPA Method Divested Analyzed <br />Iron (Fe) 104 6010 12/13/95 12/22/95 <br />LCS Limits are 85 - 115% <br />Matrix Spikes <br />M5 MSD Date Date <br />Analyte _ % Recov_ % RecovRPD EPA Method Digested _ _ Analyzed <br />Iron (Fe) 109 107 2 6010 12/13/95 12/22/95 <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 />