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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-[620 Fax 925 798-1622 <br /> h .Ilwww mcca bell com Irma�l mam a belE com � <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0306492 <br />' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 7487 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L % Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)e N/A 60 N/A N/A N/A 988 999 107 70 130 <br />' MTBE N/A 10 NIA N/A N/A 872 88 0 902 70 130 <br /> Benzene NIA 10 NIA NIA NIA 907 902 0 510 70 130 <br />' Toluene NIA 10 NIA NIA N/A 97 968 0 30t 70 130 <br /> Ethylbenzene NIA 10 N/A N/A N/A 104 103 0 423 70 130 <br /> Xylenes N/A 30 N/A N/A NIA 107 107 0 70 130 <br />' %SS NIA 100 N/A NIA N/A 103 103 0 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 /> 1 <br /> 1 <br /> 1 <br /> MS=Matnx Spoke,MSD=Matnx Spike Duplicate ICS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=RelaW.Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)*2 <br /> *MS and 1 or M5D spike recoveries may not be near 100%or the RPDs near 0%,I a)the sample os mhomogenous AND contains sogmficant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> E TPH(btex)=sum of 6TEX areas from the FID <br />' #cluttered chromatogram sample peak coelutes with surrogate peak <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 /> analVte content <br />