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1 <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> ' http Ilwww rwcarripbell com E mail rnain@nxcainpbclI com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix A WorkOrder 0305205 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 6906 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> pg/L Itg/L % Rec %ReC %RPD %ReC %ReC % RPD Low High <br /> TPH(btex)E NIA 60 N/A N/A NIA 964 981 175 70 130 <br /> ' MTBE NIA 10 N/A NIA N/A 106 972 825 76 130 <br /> Benzene NIA 10 N/A N/A NIA 975 936 408 70 130 <br /> Toluene NIA 10 NIA NIA NIA 102 972 447 70 130 <br /> I <br /> Ethylbenzene NIA 10 N/A N/A N/A 102 978 401 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 107 100 645 70 130 <br /> ' %SS NIA 100 N/A N/A NIA 103 101 1 93 80 120 <br /> All target compounds to 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 /> 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)'Z. <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 /> E TPH(btex)=sum of BTEX 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 at spike amount for water matrix or sample diluted due to high matrix or <br /> arialyte content <br />