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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br />' http!lwwwlrrccampbefl com E-marl mamamccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303275 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6182 Spiked Sample ID 0303275-0040 <br /> Sample Spiked MIS- MSD' MS-MSD• LCS I LCSD LCS-LCSD Acceptance Cntena(%) <br /> Compound <br />' pg1L pg/L %Rec %Rec %RPD I %Rec %Rec I %RPD Low High <br /> Dusopropyl ether(DIPE) ND 10 122 t25 175 129 103 222 70 130 <br />' Ethyl tent-butyl ether(ETRE) ND 10 108 110 152 113 864 270 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 1 1 l 113 222 120 887 302 70 130 <br />' tert-Amyl methyl ether(TAME) ND 10 I06 109 238 113 877 249 70 130 <br /> Methanol ND 2500 106 985 760 101 109 806 70 130 <br /> Ethanol ND 500 116 112 356 829 929 I 1 4 70 130 <br />' 1,2-Dibromoethane(EDB) ND 10 117 117 0 809 129 999 256 70 130 <br /> 1,2-Dichloroethane(1 2-DCA) ND t0 121 123 1 67 121 101 176 70 130 <br />' %SS 103 t00 965 977 t 31 102 948 728 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND fess than the method RL with the following exceptions <br /> NONE <br /> I <br />' MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> WA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />' analyte content. <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD)'2 <br /> 'MS and/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 matnx interferes with spike recovery <br />