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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 /> httpJlwww mccampbell com E-mail mam a(��nccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0209079 <br /> RPA Method SW8260B Extraction SW5030B BatchlD 3848 Spiked Sample 10 NIA <br /> Sample Spiked MS- MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> Compound <br /> Ng/L pgIL % Rec % Rec % RPD %Rec %Rec %RPD Low I High <br /> Dtisopropyl ether(DIPE) NIA 10 NIA N/A N/A 101 102 1 13 70 130 <br />' Ethyl tert-butyl ether(ETBE) N/A 10 NIA NIA N/A 999 102 1 86 70 130 <br /> Methyl-t-butyl ether(MTBE) NIA to N/A N/A NIA 101 102 1 86 70 130 <br /> tert-Amyl methyl ether(TAME) NIA 10 NIA N/A N/A 98 985 0 542 70 130 <br />' %SS N/A 100 NIA N/A NIA too 101 0 602 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 <br /> 1 <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 /> 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)I(Amount Spiked),RPD=100•(MS—MSD)/(MS+MSD)"2 <br /> MS and I or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> tanalyte relative to the amount spiked or b)0 that specific sample Matra interferes with spike recovery <br />