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110 Zed Avenue South,#D7,Pacheco,CA 94553-5560 <br /> M-Campbell Analytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br /> http Ilwww mcca bel]com E maul main mccamplaelE com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx A WorkOrder 0311251 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchiD 9381 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/L pg/L %Rec %Rec % RPD %Rec % Rec % RPD Low High <br /> TPH(btex)£ NIA 60 NIA N/A NIA 98 1 988 0 642 70 130 <br /> MTBE NIA 10 NIA NIA N/A 101 102 0 486 70 130 <br /> Benzene N/A 10 NIA N/A N/A 101 101 0 70 130 <br /> Toluene N/A l0 NIA NIA NIA 103 104 101 70 130 <br /> Ethylbenzene N/A 10 NIA NIA N/A 104 105 0 543 70 130 <br /> Xylenes N/A 30 NIA NIA N/A 107 107 0 70 130 <br /> %SS N/A 100 NIA NIA N/A 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 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)12) <br /> "MS and/or MSD spike recovenes 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 specific sample matnx interferes wth spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> . #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=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 />