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i <br /> I 10 2nd Avenue South #/D7,Pacheco,CA 94553 5560 <br /> McCarnpbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> IhttpJlwww mccarMbell.com E mail mam mccampbcll com — <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0304252 <br /> IEPA Method SW8260B Extraction SW5030B BatchlD 6592 Spiked Sample ID 0304270-OO1C <br /> Compound Sample Spiked MS" MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%} <br /> Ipg/L pg/L %Rec % Rec % RPD % Rec % Rec % RPD Low High <br /> Methyl-t-butyl ether(M 1131;) ND 10 111 112 1 13 905 112 215 70 130 <br /> %SSI 102 100 98 6 995 0 948 105 896 [5 5 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 /> I NONE <br /> I <br /> I • <br /> I <br /> I <br /> I <br /> I <br /> l <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> I Deviation <br /> N/A=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 matnx or sample diluted due to high matrix or <br /> analyte content <br /> I %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100"(MS—MSD)/(MS+MSD)'2 <br /> "MS and!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 with spike recovery <br /> I <br />