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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccampbell corn E mail matn@meeampbell corn <br /> QC SUMMARY REPORT FOR E200.9 <br /> Matrix W WorkOrder 0404203 <br /> EPA Method E200 9 Extraction E200 9 BatchlD 11096 Spiked Sample 1D 0404158-001B <br /> Sample SpikedMS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria{%} <br /> mg1L mg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Lead ND 0 010 997 946 5 29 117 108 806 80 120 <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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <br /> 'MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if-a}the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> NIA=not applicable to this method <br /> NR=anatyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> ana intent <br /> ,� DHS Cerhficatton No 1644 TL— QA/QC Officer <br />