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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925-798 1622 <br />' http//www mccampbell com E-mail mainrc ccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0305230 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 6905 Spiked Sample ID N/A <br /> Compound Sample Spiked MS` MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Ng/L Ng/L % Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(d) NIA 7500 N/A N/A N/A 945 99 458 70 130 <br />' %SS N/A 100 N/A N/A N/A 105 103 157 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent <br /> Deviation <br /> %Recovery=100.(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> I -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),f that specific sample matrix interferes with sp[ke recovery <br /> NIA=not enough sample to perform matmt spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sotl matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrut or <br /> analyte content <br /> I <br />