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• <br />• <br />L110 2nd Avenue South #D7 Pacheco, CA 94553-5560 <br />McS pbell Analytical Inc Telephone 925-798-1620 Fax 92$-798-t622 <br />ltttp //www mccampbell com E-mail main(a mccampbell cam <br />QC SUMMARY REPORT FOR SW8015C <br />BatchlD 2027 Matrix W <br />WorkOrder 0205332 <br />EPA Method SW8015C <br />Extraction <br />SW3510C <br />Ext Data <br />5/23/02 <br />Spiked Sample lD <br />Compound <br />Sample <br />Spiked <br />MS" <br />MSD- <br />MS -MSD" <br />LCS <br />I LCSD <br />LCS-LCSD <br />Acceptance Crttena (%) <br />Ng/L <br />dig/L <br />% Rec <br />% Rec <br />% RPD <br />% Rec <br />°/- Rec <br />% RPD <br />Low <br />_ <br />High <br />TPH(d) <br />N/A <br />7500 <br />N/A <br />N/A <br />N/A <br />10$ <br />108 <br />0 53 <br />70 <br />130 <br />%SSI <br />2500 <br />N/A <br />N/A <br />N/A <br />101 <br />102 <br />0 070 <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 RPA = Relative Percent <br />Deviation <br />N/A = not enough sample to perform matrix spike, or anWe concentration in sample exceeds spike amount. <br />% Recovery = 900 ' (MS-Sample)/(Amount Spiked) RPD = 100 " (MS - MSD)I(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 mgntficant concentrations of <br />anayte relative to the amount spiked or b) if that speofic sample rriafrur 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 />