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I110 2nd Avenue South bD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 921-798 1622 <br /> Ihttp//www mccampbelI coal L m iii in Sinu mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0311253 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 9389 Spiked Sample ID 0311258-003A <br /> Sample Spiked MS' MSD' IMS-MSD LCS LCSD ,LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L % Rec %Rec %RPD % Rec %Rec % RPL) Low High <br /> Methyl-t-butyl ether(MTBE) ND 10 105 104 123 105 102 302 70 110 <br /> /Ss <br /> ] 105 100 106 104 l 99 99 96 1 2 92 70 130 <br /> 1 Alt target compounds to the Method Blank of this extraction batch were ND less than the method RL with the tollowing exceptions <br /> NONE <br /> 1 <br /> I <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 /> Deviation <br /> %Recovery=loo'(MS-Sample)/(Amount Spiked),RPD=100"(MS MSD)/((MS*MSD)/2) <br /> MS and lar MSD spike recoveries may not be near 11311°/°or the RPDs near 0%d a)the sample is mlomogermus 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 matnx spike and matrix spike duplicate <br /> NR=analyte concentration m sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> ILaboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />