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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http Ilwvvw mecampbell com E-mail main@mccampbell cum <br /> QC SUMMARY REPORT FOR E200.7/E200.9 <br /> Matrix W WorkOrder 0302196 <br /> EPA Method E200 71E200 9 Extraction E200 71E200 9 BatchlD 5913 Spiked Sample ID NIA <br /> Sample Spiked MS* MSI?* MS-MSD LCS LCSD I LCS-LCSt7 Acceptance Criteria(%) <br /> Compound I I — <br /> mglL mg/L %Rec % Rec %RPD I %Rec % Rec %RPD Low High <br /> i <br /> Lead NIA 0 010 N/A N/A N/A 109 107 206 70 130 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte ooncentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=too-(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD).2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amountspiked or b)if that specific sample matrix interferes with spike recovery <br />