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1 <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> 4McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798-1622 <br />' Website www meeampbet]com E-mead main@ necampbJ1 corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx A WorkOrder 0408025 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 12595 Spiked Sample ID NIA <br /> Sample Spiked MS` MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' )tg/L pg/L %Rec %Rec %RPD %Rec %Ree %RPD Low High <br /> TPH(btex)E N/A 60 N/A N/A N/A 83 7 85 1 1 66 70 130 <br />' MTBE N/A 10 N/A N/A N/A 91 1 874 411 70 130 <br /> Benzene N/A 10 N/A N/A N/A 88 865 1 72 70 130 <br />' Toluene N/A 10 N/A NIA N/A 898 885 144 70 130 <br /> Ethylbenzene NIA 10 N/A N/A N/A 914 902 141 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 94 903 398 70 130 <br />' %SS N/A 10 N/A NIA N/A 973 965 0 858 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 /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPR=Relative Percent <br /> Deviation <br /> %Recovery=100•(MS-Sample)/(Amount Spiked) RPD=100•(MS- MSD)I((MS+MSD)12) <br />' •MS I MSD Spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> 0 N/A=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration rn sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> lanalyte nonterit <br /> DHS Certification No 1644 __.11__ QA/QC Officer <br />