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i <br /> 1102nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCanlpbell Analytical Inc Telephone 925 798-1620 Fax 925 795-1622 <br />' ht //www mccampbell cam E mail roam mcea bell cam <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0305253 <br />' EPA Method SW8021B/8015Cm Extraction SW60308 BatchlD 6935 Spiked Sample ID NIA <br />' <br /> Compound Sample Spiked MS" I MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Catena <br /> pg/L pg/L %Rec % Rec % RPD %Rec %Rec %RAD Low High <br /> TPH(btex)E N/A 60 N/A N/A N/A 977 969 0 824 70 130 <br />' MTB]✓ N/A 10 NIA N/A N/A 91 9 941 242 70 130 <br /> Benzene N/A 10 N/A N/A N/A 92 7 915 135 70 130 <br /> Toluene NIA 10 N/A N/A N/A 964 959 0 598 70 130 <br /> Ethylbenzene N/A 10 N/A N/A N/A 98 3 95 7 266 70 130 <br /> Xylenes N/A 30 NIA N/A N/A 103 100 328 70 130 <br />' %55 N/A 1 100 N/A N/A N/A 98 1 97 6 0 599 80 120 <br /> Alt 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 Spoke MSD=Matnx 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 /> I •MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%of a)the sample m 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 sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br />