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I 10 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mcearMbell corn F mail main@mccampbell com <br /> QC SUMMARY REPORT FOR E200.7/E200 9 <br /> Matrix W WorkOrder 0402163 <br /> EPA Method E200 71E200 9 Extraction E200 71E200 9 BatchlD 10346 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/L mglL %Rec %Rec % RPD % Rec %Rec %RPD Low High <br /> Cadmium N/A 1 N/A N/A N/A 994 108 844 80 120 <br /> Chromium N/A 1 N/A N/A N/A 967 106 879 80 120 <br /> Nickel NIA 1 N/A N/A N/A 102 108 525 80 120 <br /> Zinc NIA 1 N/A N/A NIA 986 101 246 80 120 <br /> %SS NIA 075 N/A N/A N/A 99 103 391 80 120 <br /> All target compounds to 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,RPO=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100.(MS- MSD)/((MS+MSD)/2) <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=analyte 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 /> janalyte content <br /> • DHS Certification No 1644 QA/QC Officer <br />