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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http l/wwwmccampbell com E-mail main@rnccampbell coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303299 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 6218 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Catena(%) <br /> Compound <br /> lag/L pg/L I % Rec %Rec %RPD I %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A NIA N/A 992 102 290 80 120 <br /> MTBE NIA 10 NIA N/A N/A 819 892 855 80 120 <br /> Benzene N/A 10 N/A N/A N/A 95 3 964 1 11 80 120 <br /> Toluene NIA 10 N/A NIA NIA 987 959 2 88 80 120 <br /> Ethytbenzene N/A t0 NIA NIA N/A 972 97 0 210 80 120 <br /> Xylenes N/A 30 N/A NIA N/A 100 993 0 669 80 120 <br /> %SS N/A 100 N/A NIA N/A 895 869 3 02 80 120 <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 /> • 4 <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <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 matnx or <br /> analyte content. <br /> %Recovery=100'(MS-Sample)!(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%it 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 />