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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc LTelephone 925-798-1620 Fax 925 798-1622 <br />' h J/www mccarrobell com E-mail main mcc bell com <br /> QC SUMMARY REPORT FOR SW80I5C <br /> 1 <br /> Matnx W WorkOrder 0307491 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 7989 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSL-%/. <br /> S LCSD LCS-LCSD Acceptance Criteria <br />' pg/L pg/L % Rec %Rec %RPDc % R e c % RPD Low High <br /> TPH(d) NIA 7500 N/A N/A NIA 105 108 227 70 130 <br />' %SS NIA 100 N!A NIA NIA 108 109 1 48 70 130 <br /> All target compounds in the Method Stank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> I <br /> 1 <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*(MSt -Sample)1(Amount Spiked) RPD=100*(MS-�MSD)I(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 /> 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 />