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' 110 2nd Avenue South,OD7 Pacheco CA 94553-5550 F4 cCampbell Analytical Inc MTelephone 925-798-1620 Fax 925 798-1622 ' http//www mccampbell coin h mail mama ccampbell com • QC SUMMARY REPORT FOR SW8260B Matrix W WorkOrder 0312190 ' EPA Method SW8260B Extraction SW5030B BatchlD 9627 Spiked Sample ID 0312190-015C Sample Spiked MS* MSD" MS-MSD LCS LCSD ILCS-LCSD Acceptance Criteria(%) ' }rglL pg/L. % Rec %Rec %RPD %Rec % Rec %RPD Low High tert-Amyl methyl ether(TAME) ND 10 86 1 937 849 984 102 348 70 130 ' t-Butyl alcohol(TBA) ND 50 849 81 1 458 784 748 476 70 130 1,2-Dibromoethane(EDB) ND 10 113 118 446 112 116 376 70 130 1,2-Dichloroethane(1,2-DCA) ND 10 109 119 938 108 111 349 70 130 ' Diisopropyl ether(DIPE) ND 10 1113 122 102 103 108 484 70 130 Ethyl tert-butyl ether(ETBE) ND 10 95 104 897 949 981 331 70 I 130 iMethyl-t-butyl ether(MTBE) ND 10 95 1 101 578 105 146 123 70 130 %SSI 107 100 113 118 4 62 106 102 417 70 130 i All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions NONE 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 I Deviation %Recovery=100*(MS-Sample)t(Amount Spiked),RPD=100'(MS- MSD)1((MS+MSD)12) I *MS and 1 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 analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery 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 analyte content Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels I