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I 10 2nd Avenue South 907,Pacheco CA 94553-5560 Lg#EC=ampbe11Analytical Inc Telephone 925-798.1620 Fax 925-798-1622 http Ilwww mccampbell com E mail mai a mccampbell coin • QC SUMMARY REPORT FOR SW8260B Matrix W WorkOrder 0211472 EPA Method SW8260B Extraction SW5030B BatchlD 5074 Spiked Sample ID N/A Compound Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD _ Acceptance Criteria(%)_ ' pg/L Ug/L % Rec %Rec % RPD %Rec %Rec %RPD Low High Di isopropyl ether(D1PE) NIA 10 N/A N/A N/A 981 95 325 70 130 I Ethyl tert-butyl ether(ETBE) N/A 10 N/A N/A N/A 97 7 982 0 505 70 130 Methyl-t-butyl ether(MTBE) N/A 10 N/A N/A N/A 936 937 0 111 70 130 lert-Amyl methyl ether(TAME) N/A 10 N/A NIA N/A 9911 115 411 70 130 IMethanol N/A 2500 N/A N/A N/A 973 995 226 70 130 1,2-Dibromo,ethane(EDB) N/A 10 N/A N/A N/A 93 8 91 9 198 70 130 i1,2-Dichloroethane(t 2-DCA) N/A 10 N/A NIA N/A 962 96 1 0 114 70 130 %SS N/A 100 N/A N/A N/A 876 88 5 1 03 70 130 iAll target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions NONE lie i i i i I i MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation NIA=not enough sample to perform matrix spike and matrix spike duplicate 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 i analyte content %Recovery=300`(MS Sample)1(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSD)'2 MS and/or MSD spike recoveries may not be near 140%or the RPDs near 0%of a)the sample is inhomogenous AND contains significant concentrations of ianalyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery