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110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCampbell Analytleal, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> Website www mccarMbetl corn E mail mam@xneeampbd1 c om <br /> • QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0406242 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 11964 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Cnteria(%) <br /> pg1L pg/L %Rec % Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A N/A N/A 101 98 348 70 130 <br /> %SS N/A 2500 N/A N/A N/A 108 105 290 70 130 <br /> All target compounds to the Method Blank of this extraction batch wereND less than the method RL with the following exceptions <br /> NONE <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)12) <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 /> NIA=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 /> DHS Certification No 1644 QA/QC Officer <br />