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110 2nd Avenue South,9137 Pacheco,CA 94553-5560 <br /> WCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> IhtipAwww mccampbelt corn E-mail man ocampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A Workorder 0310096 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8825 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L vg/L %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPI-I(btex)£ N/A 60 NIA NIA N/A 104 102 187 70 130 <br /> MTBE NIA 10 N/A N/A N/A 996 102 205 70 130 <br /> Benzene N/A 10 N/A N/A N/A 103 102 0 891 70 130 <br /> Toluene NIA 10 N/A N/A N/A 104 103 128 70 130 <br />' Ethylbenzene N/A 10 N/A N/A N/A 106 105 0 821 70 130 <br /> Xylenes N/A 30 N/A N/A NIA 110 110 0 70 130 <br />' %SS NIA 100 NIA N/A NIA 101 102 115 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 />' 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)/(MS+MSD)`2 <br /> MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> anaiyte relative to the amount spiked,or b)if that specific sample matrix 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 matrix or sample diluted due to high matrix or <br /> analyte content. <br />