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110 2nd Avenue South ND7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-799-1620 Fax 925-798-1622 <br />' httpJ/www mccampWI com E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD 2193 Matrix W WorkOrder 0205441 <br />' EPAMethod SW8021BI8015CM Extraction SW5030B Ext Date 5131102 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD" MS-MSD' LOS LCSD LCS-LCSD Acceptance Criteria(%} <br />' Compound <br /> NgIL NgIL %Rec % Rec %RPD %Rec %Rec % RPD Low7 High <br /> TP14(gas) N/A 60 N/A NIA N/A 979 933 0 80 120 <br />' MTBE N/A 10 N/A N/A N/A 815 828 200 80 120 <br /> Benzene N/A 10 NIA N/A N/A 91 964 200 80 120 <br /> Toluene NIA 10 NIA NIA NIA 100 106 200 80 120 <br />' Ethylbenzene NIA 10 N/A N/A N/A 986 103 200 80 120 <br /> Xylenes NIA 30 NIA NIA N/A 103 103 200 80 120 <br />' %SS N/A 10 NIA NIA NIA 104 108 026 80 120 <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 /> lie <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Ouplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br />' %Reoovery=100*(MS Sample)/(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)*2 <br /> *MS and I or MSD spike recoveries may not be near 100%or their RPDs near 0%if a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> i <br /> 1 <br />