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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> MCCampbell Analytical Inc Telephone 925 799 1620 Fax 925-798 1b22 <br />' http llwww mccampbeff com E mad mam�inccamph.11 coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0309340 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8602 Spiked Sample ID 0309337-002B <br /> Sample Spiked MS* MSD' MS-MSDLCS LCSD LCS-LCSD Acceptance Catena(%) <br />' pg/L. lag/L % Rec % Rec %RPD %Rec %Rec %RPD Lovtr Nigh <br /> Methyl-t-butyl ether(MTBE) ND 10 867 863 0 456 105 106 0 817 70 i 130 <br />' %SS1 111 1 100 117 116 0 333 103 105 137 7th I 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 /> r <br /> lie <br /> i <br /> i <br /> i <br /> i <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)!(Amount Spiked) RPD= 100'(MS—MSD)/(MS+MSD)*2 <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 rn 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 /> Labora )ry extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at law levels <br />