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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> Mccampbell .Analytical Inc. I Telephone 925-798-1620 Fax 925-798-1622 <br /> httpJ/www mccampbeil corn E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder• 0303483 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6351 Spiked Sample ID WA <br /> Sample Spiked MS- MSD* MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L }rg/l_ %Rec °i6 Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether('FAME) N/A 10 N/A N/A N/A 109 106 259 70 130 <br />' 1,2-Dibromoethane(EDB) N/A 10 N/A N/A NIA 117 117 0 472 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) N/A t0 N/A N/A NIA 111 109 236 70 130 <br />' Methyl-t-butyl ether(MTBE) NIA 10 N/A N/A N/A 111 105 549 70 130 <br /> Dusopropyl ether(DIPS) N/A 10 N/A NIA N/A 114 108 605 70 130 <br /> Ethyl tert-butyl ether(ETRE) N/A 10 N/A NIA N/A 108 102 590 70 130 <br />' %SS1 N/A 100 NIA NIA N/A 92 1 914 0 841 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 /> I <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 /> . 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 /> %Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> MS and/or MSD spike recovenes may not be near 100%or the RPDs near 0%it 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 />