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110 2nd Avenue South #137,Pacheco CA 94553-5560 <br /> McCampbcll Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccanipbell com E-mail mai r@mccampbeli com <br /> QC SUMMARY REPORT FOR E200.9 <br /> Matrix W WorkOrder 0406263 <br /> EPA Method E200 9 Extraction E200 9 BatchlD 11944 Spiked Sample ID 0406226-001B <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 /> Lead ND 0 010 984 89 100 992 1 110 105 80 120 <br /> All target compounds to the Method Blank of this extractlnn 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)!(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> 'Acceptance Criteria for MS/MSD is between 70%and 130% MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample <br /> is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br /> N/A=not applicable to this method <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> janalyte content <br /> A/ C Officer <br /> DHS Certification No 1644 _ � Q Q <br />