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110 2nd Avenue South,#D7,Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http!/www mecamp$ell cum lrmad mainmccampbelI gun: <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312188 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9622 Spiked Sample ID 0312187-0158 <br /> Sample Spiked MS" MSD' MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L Pg/L %Rec %Rec % RPD % Rec %Rao %RPD Low High <br /> Methyl-t-butyl ether(MTBE) N/A 10 N/A N/A N/A 102 101 161 70 130 <br /> %$S1 N/A 100 N/A N/A N/A 105 103 136 70 130 <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 /> MS=Matrix Spoke 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)12) <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%of a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spoked or b)of that specific sample matrix interferes with spoke recovery <br /> N/A=not enough sample to perform matrix spike and matnx spoke duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sad matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laborato extraction solvents such as meth lane chloride and acetone ma ocgsoonall a ear m the method blank at low levels <br />