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110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' httpdfwww mccampbell com E-mail inain©mccampbell coni <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0309367 <br /> ' EPA Method SW8260B Extraction SW60308 BatchlD 8607 Spiked Sample ID 0309353-008B <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' pg/L pglL %Rec %Rec %RPD % Rec %Rec %RPD Low Htgh <br /> Methyl-t-butyl ether(MTBE) ND 10 983 111 l2 5 116 107 761 70 130 <br /> ' %SS1 123 100 104 108 391 105 103 202 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method Til,with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> ' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS T 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)I(MS+MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near O%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 enough sample to perform matrix spike and matnx spike duplicate <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 /> ' analyte content <br /> i <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> i I <br /> i� <br />