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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925-798-1622 <br />' htipJlwww mccampbell corn E-inail maw@mwanipbellcorn <br /> QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> BatchiD 2276 Matrix W WorkOrder 0206046 <br />' EPA Method SW8015C Extraction SW3510C Ext Date 6/05102 Spiked Sample ID N/A <br /> Sample Spiked MS* I MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(d) NIA 7500 N/A N/A NIA 914 103 12 70 130 <br /> NIA 2500 N/A N/A NIA 109 107 24 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 /> t <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 /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br />' %Recovery=i OQ*(MS-Sample)I(Amount Spiked) RPD=100'(MS-MSD)I(MS+MSD)'2 <br /> *MS and I or MSD spike recoveries may not be near 1170%or the RPDs near o%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 /> 1 <br />