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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http l/www mecampbell coin F mail main umccampbell eom <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0308418 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8294 Spiked Sample ID 0308407-001A <br /> Sample Spiked MS* MSD* IMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(°�} <br /> Ng/L pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low Htgh <br /> tert-Amyl methyl ether(TANTE) ND 10 804 824 240 883 88 0 263 70 130 <br /> t-Butyl alcohol(fBA) ND — SO 766 883 142 842 859 206 70 130 <br />' 1,2-Dibromoethane(EDB) ND T 10 982 101 301 102 106 455 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) �ND 10 103 108 565 103 103 0 70 130 <br /> Diisopropyl ether(DiPE) ND 10 102 108 598 105 108 320 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 867 941 8 19 908 927 206 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 84 1 934 105 896 903 0 740 70 130 <br /> %S81 104 _ 100 107 110 3 27 95 4 954 0 70 130 <br /> All target compounds in the Method Blank of this eetraction batch were ND less than the method RL,with the following exceptions <br /> NONE <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 /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%0 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 /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <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 /> I analyte content. <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> I <br />