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1102nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> I <br /> McCampbcll Analytical, Inc. Telephone 925-798-1620 Fax 925 79S 1622 <br /> Website www meeampbell corn E-mail rnan minecampbeli corn <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 /> mglL mglL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Lead ND 0 010 98 4 89 10 0 99 2 1 I0 10 5 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 RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)I((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 sail matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> Lana a Content <br /> • DHS Certification No 1644 QA/QC Officer <br />