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' 110 2nd Avenue South,4D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http 1/www mccampbell em E-mail main r@mc=npbell corn <br /> QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> BatchlD 2749 Matrix W WorkOrder 0207022 <br /> ' EPA Method SW8015C Extraction SW3510C Ext Date 7/02/02 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD" MS-MSD' LCS I LCSD LCS-LCSD Acceptance Critena(%) <br /> Compound <br /> ' pg/L dig/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7500 N/A N/A N/A 124 120 27 70 130 <br /> %SS N/A 2500 N/A N/A N/A 115 111 42 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=RelibPercent <br /> ' <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/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 />