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10 2nd Avenue South,It1) PPacheco-CA <br /> 1--ampbell Analytical Inc Telephone 9zs-79s-1620 Pax 925-796-1622 <br /> htip.!lwww mccampbell cam email main r�ji nccampbell com <br /> QC SUMMARY REPORT FOR SW802IB18015Cm <br /> Matrix S WorkOrder 0307331 <br /> EPA Method SW8021 13I8015Cm Extraction SW5030B BatchlD 7874 Spiked Sample ID 0307324-001A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg % Rec %Rec %RPD %Rec I %Rec %RPD Low High <br /> TPH(btex)e ND 060 995 102 2 63 98 97 1 0 877 70 130 <br /> MTBE ND 010 105 100 4 63 91 3 966 564 70 130 <br /> Benzene ND 0 t0 979 972 0 686 933 936 0 347 70 1 130 <br /> Toluene ND 0 10 969 97 00399 95 4 952 0 126 70 _ 130 <br /> Ethylbenzene ND 0 10 101 102 0 327 101 101 0 70 130 <br /> Xylenes ND 030 103 103 0 103 103 0 70 j 130 <br /> %SS 96 9 100 108 111 2 74 114 110 357 70 130 <br /> All target compounds in the Method Blank of this extraction hatch were ND less than the method RL with the following exceptions <br /> NONE <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)I(MS+MSD)'2 <br /> MS and I or MSD spike recoveries may not be near 100%or Ile RPDs near 0%d 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 BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matnx spike and matnx 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 />