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110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> Inc.4 1 cCampbell Analytical, .ITelephone 925 798-1620 Fax 925-798-1622 <br /> Website www mccanVbell cam E-mail main@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W Workt7rder 0443291 <br />' EPA Method SW8260B Extraction SW50308 BatchlD 10809 Spiked Sample ID 0403291-014C <br /> Sample Spiked MS' MSD' MS-MSO" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' lig/L pgIL % Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 106 103 284 107 107 0 70 130 <br /> Benzene ND 10 127 124 208 126 128 195 70 130 <br />' t-Butyl alcohol(THA) ND 50 93 6 83 6 0 893 865 329 70 130 <br /> Chlorobenzene ND 10 103 102 131 102 103 103 70 130 <br />' 1,2-Dibromoethane(EDB) ND 10 98 5 962 2 41 98 6 100 1 47 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 118 116 171 121 122 0 458 70 130 <br />' 1,1-Dichloroethene ND 10 98 4 93 8 4 80 92 6 941 168 70 130 <br /> Ditsopropyl ether(DIPE) ND 10 110 108 169 111 114 233 70 130 <br />' Ethyl tent-butyl ether(ETBE) ND 10 100 99 1 31 102 104 202 70 130 <br /> Methyl-t-butyl ether(MTBE) 073 10 995 95 9 338 998 997 00470 70 130 <br /> Toluene 088 10 i00 100 0 108 107 0 745 70 130 <br /> Trichloroethene ND 10 83 1 815 1 88 80 6 81 6 1 19 70 130 <br /> %SSI 99 1 10 101 102 0 566 93 6 92 6 1 12 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 /> 1 <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)I((MIS+MSD)12) <br />' "MS and I 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 matnx 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> lLaboratory extraction solvents such as meth ene chloride and acetone may occasionally appear in the method blank at tow levels <br /> DHS Certification No 1644 J—�— AJQC Officer <br /> 1 <br />