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110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 Fax 925-7991622 <br /> httpJ/www mccampbell corn E-mail mar@mccmnphell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix A WorkOrder 0310161 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8891 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Catena(%) <br /> Ng/L pg/L %Rec %Rec °/b RPD %Rec %Rex %RPD Low High <br /> TPH(btex)£ N/A i 60 N/A N/A N/A 100 101 0 647 70 130 <br /> MTBE N/A 10 N/A N/A N/A 101 101 0 70 130 <br /> Benzene N/A 10 N/A N/A N/A 993 988 0 422 70 130 <br /> Toluene N/A 1 10 NIA N/A N/A 9193 992 00499 70 130 <br />' Ethylbenzene N/A 10 N/A NIA N/A 103 103 0 70 130 <br /> Xylenes N/A 30 N/A NIA N/A 107 103 317 70 130 <br />' %SS N/A 100 N/A N/A N/A 994 991 0 300 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 /> Ile <br /> I <br /> 1 <br /> I <br /> I <br /> I <br /> MS=Matmx Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> IDeviation <br /> %Recovery=100"(MS-Sampte)/(Amount Spiked),RPD=100.(MS--MSD)/(MS+MSD)*2 <br /> .MS and/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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of HTEX areas from the FID <br /> fF cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted dire to high matrix or <br /> analyte content, <br />