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110 Ind Avenue South ND7,Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mecampWI corn E mall main@mccampbell com <br /> r• <br /> QC SUMMARY REPORT FOR SW8264E <br /> Matrix W WorkOrder 0403245 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 10766 Spiked Sample ID 0403241-006C <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pglL pglL %Rec %Rec %RPI} %Rec %Rec % RPD Low Nigh <br /> tert-Amyl methyl ether(TAME) ND 10 107 113 530 106 104 185 70 130 <br /> Benzene ND 10 126 129 1 95 124 123 0 307 70 130 <br /> t-Butyl alcohol(TBA) ND 50 83 9 90 7 03 88-7 85 9 3 20 70 130 <br /> Chlorobenzene ND 10 105 108 269 108 108 0 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 101 102 1 10 106 105 158 70 130 <br /> 1 2-Dichloroethane(I 2-DCA) ND 10 118 123 437 122 120 162 70 130 <br /> 1,1-Dichloroethene ND 10 97 4 977 0 256 101 100 0 872 70 130 <br /> Dusopropyl ether(DIPS) ND 10 110 115 4 81 106 104 1 37 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 102 106 346 100 976 270 70 130 <br /> Methyl-t-butyl ether(MTBE) ND t0 101 104 340 97 6 942 3 56 70 130 <br /> . Toluene ND t0 129 129 0 119 115 328 70 130 <br /> Trichloroethene ND 10 84 3 86 1 99 85 4 844 1 12 70 130 <br /> %SSI 101 10 102 100 f 1 60 97 7 964 129 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <br /> IVIS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relanve Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)12) <br /> MS and 1 or MSO 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 relattve 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 m sample exceeds spike amount for sod matrix or exceeds 2c spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> [Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />