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i <br /> 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCalnpbell Analytical Inc Telephone 925-799-1620 Fax 925-798 1622 <br /> http//www mccampbell com E-mail mam@mccampWi cam <br /> .t <br /> iQC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0209081 <br /> iEPA Method SW8260B Extraction SW5030B BatchlD 3856 Spiked Sample ID 0209081-0020 <br /> Compound Sample Spiked MS* MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> i <br /> pg/L pgIL % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Methyl-t-butyl ether(MTBE) ND 10 103 103 164 107 106 0 990 70 130 <br /> i %SSI ND 100 112 112 164 114 114 0346 70 130 <br /> All target compounds to the Method Blank of this extraction hatch were ND less than the method RL with the following exceptions <br /> i NONE <br /> i <br /> i <br /> i <br /> i <br /> i <br /> i <br /> i <br /> i <br /> i MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> • N/A=not enough sample to perform matrix spike and matrix spike duplicate <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 /> ianalyte content <br /> %Recovery=100*(MS-Sample)I(Amount Spiked),RPD=100*(MS—MSD)1(MS+MSD)*2 <br /> i *MS and/or MSD spike recoveries may not be near 100%or the RPOS near 0%if a)the sample Is inhomogenous AND contains signifleant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />