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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> hupWwwwniccampbellcom E-mail mam a bell corn <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0303365 <br />' EPA Method SW8015C Extraction SW3510C Batch[❑ 6262 Spiked Sample ID N/A <br /> Compound Sample Spiked MS* MSD' MS-MSD' LC5 LCSD LCS-LCSD Acceptance Cntena(%) <br />' <br /> itglL uglL %Rec %ReC %RPD %ReC % Rec % RPD Low High <br /> TPH(d) NIA 7500 NIA NIA N/A 95 8 982 250 70 130 <br />' %SS N/A 100 N/A N/A N/A 895 907 1 32 70 130 <br /> All target compounds in the Method Blank of this extraction batch were NA 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 /> Devial n <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 /> analyte content <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)*2 <br /> "MS and 1 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 /> ' janalyte reiative to the amountspiked orb if that specific sam le matrix interferes mth spike recovery <br />