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' 110 2nd Avenue South OW Pacheco CA 94553-5560 <br /> WI—alnpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> AO <br />' hnp//www mceampbell com Email mainQmccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0306233 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 7303 Spiked Sample ID 0306228-013B <br /> Sample Spiked MS* MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(°�) <br /> Ng/L Pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 100 106 596 805 104 259 70 130 <br /> Dusopropylether(DIPE) ND 10 106 119 118 97 119 207 70 130 <br />' Ethyl tett-butyl ether(ETRE) ND 10 991 I08 846 825 106 247 70 i 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 1 I8 129 947 867 109 227 70 j 130 <br />' %S51 107 100 107 109 685 101 105 363 70 130 <br /> All target compounds in the Method Blank of this extraction batch were N1)less than the method Rl,with the following exceptions <br /> NONE <br /> I <br /> lie <br /> 1 <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)/(MS+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 matrix interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matnz spike duplicate <br /> NR=anaiyte 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 /> 11-aboratory extraction solvents such as meth leve chloride and acetone may occasionally appear in the method blank at low levels <br />