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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> 4 McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http//www mccampbell corn E-mail main rriceampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312187 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 5623 Spiked Sample ID 0312190-003C <br /> Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec %RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 88 2 88 8 0 634 91 2 928 1 67 70 a 130 <br /> t-Butyl alcohol('FBA) ND 50 826 787 480 120 121 0 130 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 117 119 0 941 116 115 0 780 70 130 <br /> 1,2-Dichloroethane(1 2-DCA) ND 10 111 113 1 53 106 109 231 70 130 <br /> Dnsopropyl ether(RIPE) ND i0 112 114 187 101 103 1 81 70 130 <br /> Ethanol ND 500 112 869 25 t 969 100 322 70 130 <br /> Ethyl tert-butyl ether(ETBE) Nil 10 95 7 979 227 101 101 0 70 130 <br /> Methanol ND 2500 116 114 245 936 962 269 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 954 948 0 717 116 116 0 70 130 <br /> %5Sl 104 100 113 113 0 973 973 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent <br /> Deviation <br /> %Recovery=100.(MS-Sample)I(Amount Spiked),RPD=100'(MS- MSD)1((MS+MSD)12) <br /> MS and 1 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 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 may occasionally appear in the method blank at low levels <br />