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' 1 10 2nd -5560 I Avenua 5�uth,5�7,Pacheco,GA X4553 McCampbell Analytical Inc. ! Telephone:925-798-1620 Fax:925-798-1622 ' http:/Iw%vw.mccampbell.com E-mail:main@mecampbell.com QC SUMMARY REPORT FOR SW8021B/8015Cm Matrix: A WorkOrder: 0311266 ' EPA Method: SW8021 BI8015Cm Extraction: SW50306 BatchlD;9400 Spiked Sample ID: NIA Sample Spiked MS* MSD* MS-MSD LCS Lr-SD LCS-LCSD Acceptance Criteria(%) ' pglL pgIL % Rec. % Rec. %RPD % Rec. %Rec. % RPD Low High TPH(blex)£ N/A 60 N/A I N/A N/A 96.8 94.2 2,82 70 130 ' MTBE -_ NIA 10 N/A NIA NIA 92.9 - 96 -3.20 - 70 130 Benzene NIA 10 N/A NIA N/A— 93.4 97 j 3.86 70 130 Toluene N/A 10 NIA NIA NIA 95.9 99.5 i 3.74 70 T 130 ' Ethylbenzene N/A 10 NIA N/A -N/A 97.4 101 3.20 7 130 Xylenes NIA 30 N/A N/A N/A too t00 0 70 130 %SS: NIA 100 NIA N/A N/A lot 104 2.56 70 130 i All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions: ' NONE 1 .. 1 1 1 MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent ' Deviation. %Recovery=100*(MS-Sample)/(Amount Spiked);RPD=100*(MS- MSD)/((MS+MSD)/2). ' *MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if:a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. £TPH(btex)=sum of BTEX areas from the FID, ' #cluttered chromatogram;sample peak coelutes with surrogate peak. NIA=not enough sample to perform matrix spike and matrix spike duplicate. 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 anaiyte concent. i