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m 110 2nd Avenue South,ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 t620 Fax 925-798 1622 <br /> Website www mccampbell corn E nrul main@mccampbell coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0402312 <br /> EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 10474 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> NgIL pg/L %Rec %Rec %RPD % Rec %Rec % RPD Low High <br /> TPFI(btex)£ N/A 60 NIA N/A NIA 106 109 275 70 130 <br /> MTBE NIA 10 N/A N/A N/A 868 849 2 13 70 134 <br /> Benzene N/A 10 NIA NIA NIA 101 101 0 70 130 <br /> Toluene N/A 10 N/A NIA NIA 101 996 180 70 130 <br /> Ethylbenzene N/A 10 N/A N/A N/A 102 100 209 70 130 <br /> Xylenes N/A 30 NIA NIA N/A 100 100 0 70 130 <br /> %SS N/A 10 NIA N/A N/A 853 858 0 559 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)I(Amount Spiked) RPD=100"(MS- MSD)I((MS+MSD)12) <br /> MS and/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 <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 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 /> anal a content <br /> DHS Certification No 1644 QA/QC Officer <br />