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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 /> m^ca-pbell com E mailma:n(ir,lmccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0210564 <br /> EPA Method SW8015C Extraction SW3510C BatchID-4705 Spiked Sample ID NIA <br /> I Sample Spiked MS" MSD- MS-MSD' LCS LCSD LCS-LCSDIAcceptanceCritena(%) <br /> Compound <br /> pg/L NgIL %Rec %Rec %RPD %Rec %Rec i '/° RPD Low High <br /> TPH(d) NIA 7500 N/A N/A N/A 92 8 929 0 126 70 130 <br /> %SS N/A 100 N/A NIA N/A ill 113 1 20 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 /> • <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> N/A=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)I(Amount Spiked),RPD=100'(MS—MSD)!(MS+MSD)'2 <br /> MS and 1 or MSD spike recavenes 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 />