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Matrix A .,..� ------- <br /> EPA Method SW8021B/8015CM Extraction SW5030B BatchlD 8619 Spiked Sample ID NIA <br /> Sample Spiked MS` MSD* MS-MSD" LCS LCSq LCS-LCSD Acceptance Criteria(%) <br /> NgIL Ngll _ %Rec % ReC °/n RPD % ReC %Rec %RPD Low High <br /> i1 PN(btex)£ NIA 60 NIA N/A N/A 933 936 0 312 70130 <br /> - - 1 /A 971 101 431 70 130 <br /> M[13E -'- NIA 10-__ NIA 1`IA- N - -- _ - - �- <br /> Benzene —N/A 10 NIA N/A N/A - 975 102 450 70 130 <br /> Toluene_ - NIA_ 10 _ N/A NIA ---NIA - 899 936 405 70 130 <br /> 1-thylbenwric N/A 10 N/A - NIA NSA _ 962 9R 7 249 70 130 <br /> Xylenes NIA 30 NIA NIA N)A 86 90 455 70 130 <br /> "/A9S -^ - - - - N/A 100 N/A N/A NIA -102-- 104 171 70 130 <br /> All target cnmpeunds in the Method Blank of thus extraction hatch were ND fess than the method RI with the following exceptions <br /> NONE <br /> I <br /> MS=Metrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Semple,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPO=100•(MS-MSD)/(MS+MSD)`2 <br /> "MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%of 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 matrix spike and metric 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 conlent <br />