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• <br />r� <br />u <br />1102nd Avenue South #D7 Pacheco CA 94553-5560 <br />McCampbell Analytical Inc Telephone 925-799-1620 Fax 925-798-1622 <br />http llwww mccampbell coin E-mail rnain@mccampbell corn <br />QC SUMMARY REPORT FOR SW -8015C <br />BatchlD 2485 Matrix W WorkOrder 0206271 <br />EPA Method SW8015C <br />Extraction <br />SW3510C <br />Ext Date <br />6/17102 <br />Spiked Sample ID NIA <br />Compound <br />Sample <br />Spiked <br />MS" <br />MSD' <br />MS-MSD*I <br />LCS <br />!_CSD <br />LCS-LCSD <br />Acceptance Criteria (%) <br />Pg/L <br />pg/L <br />% Rec <br />% Rec <br />% RPD <br />% Rec <br />% Rec <br />% RPD <br />Low <br />High <br />TPH(d) <br />N/A <br />7500 <br />N/A <br />N/A <br />N/A <br />104 <br />107 <br />28 <br />70 <br />130 <br />%3S <br />N/A <br />2500 <br />N/A <br />NIA <br />N/A <br />106 <br />110 <br />29 <br />70 <br />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 Spike MSD = Matrix Spike Duplicate, LCS =Laboratory Control Sample LCSD = Laboratory Control Sample Duplicate RPD = Relative Percent <br />Deviation <br />NIA = not enough sample to perform matrix spike, or analyte concentration in sample exceeds spike amount <br />% Recovery - 100 * (MS-Sample)/(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 />Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />