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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 /> http//www mccampbell com E-mail maln©mccampbell corn <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0312188 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 9620 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(°�) <br /> pg/L pglL % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A NIA N/A 973 958 156 70 130 <br /> %SS N/A 100 NIA NIA N/A 106 105 151 70 130 <br /> All target compounds in the Method Blank ofthis 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 /> %Recovery=100-(MS-Sample)1(Amount Spiked),RPD=100`(MS- MSD)/((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 /> 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 soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matnx or <br /> analyte content <br />