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110 Ind Avenue South tlD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http//www mccampbell com E-mail mam rr ccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0307006 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 7640 Spiked Sample 1D 0307007-002A <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 /> tent-Amyl methyl ether(TAME) ND 10 110 114 344 115 118 239 70 130 <br />' 1,2-Dibromoethane(EDB) ND 11) 115 118 222 116 118 147 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 119 124 449 126 128 189 70 130 <br /> Dnsopropyl ether(DIPS) ND 10 123 125 206 125 127 126 70 f 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 109 115 593 114 118 3 51 70 130 <br /> MethI-t-but1 ether(MTBE) ND 10 112 lib 5 10 117 120 255 70 130 <br />' %SSI 114 100 116 116 0 104 104 0 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)/(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 matin interferes with spike recovery <br /> NIA=riot enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyle 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 may occasionally appear in the method blank at low levels <br />