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/ <br /> 110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> Website www mccamphell com ]-matt roam c@mccamphell com <br /> I� QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0404203 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 11094 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> - ' Ng1L pgIL % Rec %Rec %RPD %Rec % Rec %RPD Low High - - <br /> TPH(d) NIA 7540 NIA NIA N/A 92 1 929 0 789 70 130 <br /> %SS NIA 2500 NIA NIA NIA 987 995 0 819 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 /> I <br /> • <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Refahve Percent <br /> Deviation <br /> %Recovery=100.(MS-Sample)I(Amount Spiked),RPD=100•(MS- MSD)I((MS+MSD)/2) <br /> MS and I 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 /> analyle relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform matnx 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 /> lanalyte content <br /> DHS Certification No 1644 QA/QC Officer <br />