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' 110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> [4:M:cC�ampbefllytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> ht Jlwww rmcarMbell cornE-mail tnuri@rnrcampbelI corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0308418 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8304 Spiked Sample ID 0308418-01'113 <br /> Sample Spiked MSMSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> 11g/L VgIL % Rec % Rec % RPD % Rec % Rec %RPD Low High <br /> tart-Amyl methyl ether(TAME) ND<2 5 10 100 ItI054 69 872 863 1 11 70 130 <br /> t-Butyl alcohol(TBA) ND<25 50 125 127 1 58 924 941 192 70 130 <br />' 1,2-Dibromoethane(EDB) ND<2 5 10 106 106 0 102 102 0 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND<2 5 10 135,F1 134 Fl 080 103 991 407 70 130 <br />' Dusopropyl ether(RIPE) ND<2 5 LO 113 112 0 555 107 106 134 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND<2 5 10 976 964 124 926 916 1 11 70 130 <br />' Methyl-t-butyl ether(MTBE) 2084 t0 NR NR NR 925 88 507 70 130 <br /> %SSI 110 100 111 109 127 106 102 423 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> Fl =MS/MSD exceed acceptance criteria LCS-LCSD validate prep batch <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)I(-,bunt Spiked),RPD=100.(MS—MSD)/(MS+MSD)'2 <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 wth spike recovery <br /> NIA=not enough sample to perform matnx 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 /> [Laboratory extraction solvents such as methylene chloride and acetone mEy occasionally appear in the method blank at low levels <br />