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110 2nd Avenue South,kD7,Pacheco CA 94553-5560 <br /> M.'arnpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> i hap/lwww mccampbell com E-mail mainffLnccampbellrorn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br />' Matrix A WorkOrder 0310160 <br /> I EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8891 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ifg/L dig/L %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ N/A 60 NIA N/A N/A 100 101 0 647 70 130 <br /> MT13E N/A 10 N/A N/A NIA 101 101 0 70 130 <br /> Benzene N/A 10 N/A N/A NIA 993 988 0 422 70 130 <br /> Toluene N/A to N/A N/A N/A 993 992 00499 70 130 <br /> Ethylbenzene N/A 10 N/A N/A N/A 103 103 0 70 130 <br /> Xylenes N/A 30 NIA N/A N/A 107 103 317 70 130 <br /> %SS NIA t00 N/A N/A N/A 994 991 0 300 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 /> I • <br /> I <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)I(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%rf 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 wrth 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 matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />