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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> 4 1 McCampbell Analytical, Inc. Telephone 925-799 1620 Fax 925-798 1622 <br /> Website www ntccampbell corn E mad main®mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0406141 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11872 Spiked Sample ID 0406117-0200 <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Cnteria <br /> }lig/L pg/L %Rec % Rec % RPD % Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 84 83 9 00974 85 1 865 164 70 130 <br /> t-Butyl alcohol(THA) ND 50 85 5 817 461 922 92 0 189 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 109 107 1 15 E08 109 142 70 130 <br /> Ditsopropyl ether(DIPS) ND 10 115 114 1 51 115 116 0 781 70 130 <br /> Ethyl tent-butyl ether(ETBE) ND 10 108 106 205 107 108 l 26 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 101 998 1 02 100 976 261 70 130 <br /> -- I <br /> %SS 1 986 l0 894 87 271 795 79 1 0 552 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 RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)I((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 matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sal 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 meth one chloride and acetone mayoccasionally appear in the method blank at low levels <br /> DHS Certification No 1644 <br /> QA/QC Officer <br />