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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> Inc.MCCampbell Analytical, 7elcphone 925-798 1620 Fax 925-7911-I622 <br /> Website www mccampbeil com E-mail inain@nweatnpbell cont <br /> QC SUMMARY REPORT FOR E200.7 <br /> Matnx W WorkOrder 0403387 <br /> EPA Method E200 7 Extraction E200 7 BatchlD 10845 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena{%} <br /> mg/L mg/L % Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> Copper N/A 1 N/A N/A N/A 104 101 303 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=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=900*(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%it 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=analyte concentration in sample exceeds spike amount for soit matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix of <br /> analyte content �/� <br /> DHS Certification No 1644 VO QA/QC Officer <br />