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t 10 and Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mecampbelE com E-mail ma�n(a3mccampbelE com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0306568 <br /> tEPA Method SW8015C Extraction SW3510C BatchlD 7538 Spiked Sample ID N/A <br /> Sample Spiked MS` MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Catena(%) <br />' NglL Ng/L % Rec %Rec %RPD %Rec % Rec %RPD I Low High <br /> TPH(d) N/A 7500 N/A NIA N/A 129 116 112 70 130 <br />' %SS N/A 100 N/A NIA N/A 122 111 891 70 I 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 /> I 0. <br /> 1� <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD).2 <br /> MS and/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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> • N/A=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 matrix or sample diluted due to high matrix or <br /> analyte content <br /> I <br />