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110 2nd Avenue South 9137 Pacheco CA 94553-5560 <br /> Fwm—cc <br /> ampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> http I/www mccampbell com E-mail main@limccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0311295 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9418 Spiked Sample ID 0311295-015B I <br /> Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec %RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 102 964 538 96 94 1 201 70 130 <br /> t-Butyl alcohol(TBA) ND 50 90 5 887 195 84 5 854 1 00 70 130 <br /> 1 2-Dtbromoethane(EDB) ND 10 113 113 0 111 110 0 774 70 130 <br /> 1,2-Dtchloroethane(1,2-DCA) ND 10 109 106 267 105 105 0 70 130 <br /> Dusopropyl ether(DIPE) ND 10 100 98 1 192 99 97 8 1 23 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 97 951 1 99 95 6 939 1 82 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 108 105 211 104 103 1 23 70 I 130 <br /> %SS1 103 too 106 106 0 101 100 0375 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 /> 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)/((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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> NIA=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 /> analyte content <br /> Laboratory extraction solvents such as methy4ene chloride and acetone may occasionally appear in the method blank at!ow levels <br />