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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 1. McCampbell Analytical lnc Telephone 925-798-1620 Fax 925-798-1622 <br /> Ih //www mccanipbell com E-mail mom me ell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0311252 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 9381 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' lig/L pg/L %Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(btex)£ N/A 60 NIA N/A NIA 981 988 0 642 70 130 <br /> MTBE N/A 10 N/A N/A N/A 101 102 0 486 70 130 <br /> I' Benzene NIA 10 NIA N/A N/A 101 101 0 70 130 <br />' Toluene N/A 10 NIA N/A N/A 103 104 101 70 130 <br /> Ethylbenzene N/A 10 N/A N/A N/A 104 105 0 543 70 t30 <br /> Xylenes NIA 30 NIA N/A NIA 107 107 0 70 l30 <br />' %55 NIA 100 N/A N/A NIA 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 fallowing 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 /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)1((MS+MSD)12) <br /> 'MS and 1 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 speafic sample matnx Interferes with spike recovery <br /> £TPH(btex)=sum of STEX 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 matnx or sample diluted due to high matrix or <br /> analyte content <br />