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Inc.McCampbell Analytical, I 110 2ndhoneAven25-79South,#162 Pacheco,CA 98 1622560 <br /> Tel home 925-798 t620 fax 925-798 1622 <br /> 14 1 Websua www mccampbell coni F-marl mam@mccampbell com <br /> • QC SUMMARY REPORT FOR E200.7/E200 9 <br /> Matrix W WorkOrder 0402163 <br /> EPA Method E200 71E200 9 Extracbon E200 71E200 9 BatchlD 10345 Spiked Sample ID 0402163-001D <br /> Sample Spiked MS` MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mglL mg/L %Rea %Rea % RPD % Rec %Rec %RPD Low High <br /> Lead ND 0 010 106 110 367 898 97 766 80 320 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R.L with the follovAng exceptions <br /> NONE <br /> • <br /> MS=Matnx 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)/((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 math spike recovery <br /> NIA=not applicable to this method <br /> NR=analyte concentration 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 /> analLe content <br /> /, <br /> DHS Cerhficat><on No 1644 �J QA/QC Officer <br />