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! r 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 McCampbell Anaiyticai Inc Telephone 925-798-1620 Fax 925-798-1622 http//www mccampbell coin E-mail mai rQmccampbcll win QC SUMMARY REPORT FOR SW8260B Matrix W WorkOrder 0306526 EPA Method SW8260B Extraction SW5030B BatchlD 7516 Spiked Sample ID 0306526-0198 Sample Spiked MS` MSD` MS-MSD LCS LCS[] LCS-LCSD Acceptance Criteria(%) Pg/L. pglL %Rec %Rec %RPD %Rec %Rec % RPD Low High tert-Amyl methyl ether(TAME) ND 10 85 6 925 772 858 86 8 123 70 130 1 2-Dibromoed=e(EDB) ND 10 126 126 0 123 122 146 70 130 i 1,2-Dichloroethane(1,2-DCA) 4 052 10 116 122 397 108 109 0 518 70 1 130 Dusopropyl ether(DIPE) ND 10 85 4 92 743 859 869 124 70 130 Ethyl tert-butyl ether(ETBE) ND 10 85 3 914 693 87 869 00873 70 130 Methyl-t-butyl ether(MTBE) 05314 10 95 4 101 563 995 98 5 109 70 130 %SSI 106 100 114 122 7 03 102 996 2 18 70 130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions NONE • MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation %Recovery=100"(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)"2 "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 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