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' ! I 10 2nd Avenue South MD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798 1620 Fax 925-798-1622 <br /> i http//www mccampbell com E-mail mainremccamphell corn <br /> . QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208287 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 3522 Spiked Sample ID 0208287-002B <br /> Com aurid Sample Spiked MS* MSD* MS-MSD*� LCS LCSD LCS-LCSDjAcceptance Criteria(%) <br /> p --- -- _ <br />' NgIL 1191E % Rec %Rec I %RPD i %Rec %Rec % RPD Low High <br /> a <br /> Benzene ND 10 103 105104 104 106 i 1 48 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 98 6 97 1 1 62 101 100 0350 70 130 <br /> Toluene ND 10 986 98 7 0 105 103 104 1 13 70 130 <br /> °/aSS l — —� - -- 103 - 100 100 996 0 914 97 9 966 i 126 70 130 <br /> %SS2 100 ; too tol 101 0 470 101 101 0 492 , 70 130 <br /> %SS3 101 100 104 l0I 233 104 101 307 70 130 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> I� <br /> I <br /> I <br /> I <br /> i <br /> 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS-MSD)/(MS+MSD)*2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RP Ds 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 with spike recovery <br />