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Iviainx h "- — -- -- - - <br />' EPA Method SW8O21 B18015Cm Extraction SW5O30B BatchiD 8891 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> --Ng/L Wg/L. %Rec °/a Rec %RPD %RBC %Rec %RPD Low High <br /> TPii(htex)£ NIA 60 NIA N/A NIA 100 141 0 647 -70 130 - <br /> _-- ____ --_ --- - -- --- — 130 i01' -_� 4 -- 70 �MTBE -- -— N/A 10 N/A NIA- —_NIA 14] -_— - -_- <br /> Benzene - -_— N/A - 10 - - NIA N/A - NIA 993 988 0 422 -70— _ 130— <br /> Toluenc N/A 10 NIA WA N/A 993 992 00499 70 130 <br />' Ethyibentene� �— N/A 10 N/A N/A NIA 103 103 0 70 I 130 <br /> Xylcncs N/A 30 NIA N/A �NIA 107 103 317 70 130 <br /> %SS N/A 100 N/A N/A N/A99 4 991 0 300 70 130 <br /> Atl 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 m Matrix Spike,MSD=Matrlx Spike Duplicate,LCS=Laboratory Control Sample 1-CSD=Laboratory Control Sample Duplicate RPD=Relative Percenl <br /> Deviation <br /> %Recovery=100•(MS-Sampie)/(Amount Spiked) RPD=100"(MS-MSD)/(MS+MSD).2 <br /> .MS and I or MSD spike recoveries may not be near 100%or the RPDa 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 matrix Interferes with spike recovery <br /> E TPH(btex)=sum of BTPX areas from the FID <br /> 11 elutiared chromatogram sample peak coelutes with surrogate peak <br /> iN/A=not orough sample to perform matrrx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sail matrix or exceeds 2x spike amount for water mativ or sample diluted due to high matnx or <br /> anatyte content. <br /> f <br />