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110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> [ 4 McCamphell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http#www mccampbell com E mail mainQa mceampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br />� 1 <br /> BOWND 2249 Matrix W WorkOrder 0206018 <br /> ' EPA Method SW8015C Extraction SW3510C Ext Date 6/04/02 Spiked Sample ID NIA <br /> Compound Sample Spiked MS* MSD* MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' <br /> ug/L uglL %Rec %Rec °k RPD %Rec %Rec %RPDLaw High <br /> TPH(d) NIA 7500 N/A N/A N/A 89 868 26 70 130 <br /> %SSI NIA 2500 NIA N/A N/A 104 103 1 5 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br /> 1 • � <br /> 1 <br /> 1 I <br /> 1 <br /> 1 <br /> ' MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx spike,or analyte concentration in sample exceeds spike amount <br /> ' %Recovery=100*(MS Sample)/(Amount Spiked) RPD=140*(MS-MSD)!(MS+MSD)*2 <br /> *MS and 1 or MSD spike recovenes 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 wth spike recovery <br /> ' Laboratory extraction solvents such as methylene chlonde and acetone may occasionally appear in the method blank at low levels <br /> 1 <br />