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110 2nd Avenue South #1]7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http llwww meeampbell com Email maina mecampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208287 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 3524 Spiked Sample 1D NIA <br /> Sample Spiked MS* MSD' MS-MSD" LCS i LCSD1 CS`LCSDIAcceptance Criteria(%) <br /> Compound _ <br /> Ng/L I dig/L % Rec %Rec %RPD I % Rec J %Rec I %RAD I Low I High <br /> Benzene <br /> NIA 10 N/A NIA _N/A # 906 92 5 2 IS 70 ]30 <br /> Methyl-t-butyl ether(MTBE) N/A I0 N/A N/A N/A 95 3 982 3 02 1- 70 I 130 <br /> Toluene — <br /> NIA 10 NIA -N/A NIA 103 104_ 154 1 70 130 <br /> %551NIA 100 N/A I N/A N/A 104 103 0549 70 130 <br /> %SS2 N/A 100 N/A N/A N/A 103 102 159 70 130 <br /> %SS3 NIA 100 N/A N/A N/A 932 93 1 A 0198 1 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative <br /> Devia#ion <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate Percent <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 /> analyte content <br /> I %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100•(MS-MSD)/(MS+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> Ianalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />