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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MXampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hgJ/www mcc bell cam E-mail ma c bell com <br /> • <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0307385 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 7928 Spiked Sample 1D N/A <br /> Sample Spiked MS* MSD" MS-M$D` LCS LCSD LCS-LCSD Acceptance Cr€terra(%) <br />' pg/L pg/L % Rec % Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A N/A NIA 118 114 315 70 130 <br />' %SS N/A 1 100 N/A NIA I N/A 90 5 1 85 6 565 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br />' NONE <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD Relative Percent <br /> Dewabon <br /> %Recovery=100*(MS-Sample)I(Amount Spiked),RPD=100'(MS—MSD)1(IVIS+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 matrix or sample diluted due to high matrix or <br />' anatyte content <br />