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110 Nd Avenue South,4D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-799 1622 <br />' http//www mccampbell corn E-mail mam(a?mccampbe[I earn <br /> • QC SUMMARY REPORT FOR 5W8015C <br /> 1 <br /> Matrix W WorkOrder 0208287 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 3527 Spiked Sample ID N/A <br /> Compound Sample Spiked MS* MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' }1glL )tg/L °�Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7504 N/A NIA N/A 976 99 142 70 I30 <br />' %55 N/A 100 N/A N/A N/A 934 949 167 70 134 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> I <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 /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil rnatnx or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> I analyte content <br /> %Recovery=100'(MS-Sample)!(Amount Spiked),RPD=100'(MS—MSD)/(MS+MSA)'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 /> analyte relative to the amount spiked or b)it that specific sample matrix interferes with spike recovery <br />