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' 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCalnpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1632 <br /> http/!www mccampbell corn E mail majn@tnccampWl corn <br /> ` QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> BatchlD 2384 Matrix W WorkOrder 0206149 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B Ext Date 6/11/02 Spiked Sample ID 0206147-001A <br /> Compound Sample Spiked MS* MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' {ig/L pg/L %Rec % Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(gas) ND 60 t02 107 479 107 106 072 80 120 <br />' MTBE ND l0 899 922 259 93 1 101 85 80 120 <br /> Benzene ND 10 925 965 428 108 109 084 80 120 <br /> Toluene ND 10 957 100 470 109 110 12 80 120 <br />' Ethylbenzene ND 10 96 100 445 113 112 038 80 120 <br /> Xylenes ND 30 953 100 478 113 113 0 80 120 <br />' %SS 1 102 10 102 lot 0 941 102 103 0 66 80 120 <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 /> I <br /> I <br /> 1 I <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=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 recovenes may not be near 100%or their RPDs near 0%if a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> I <br />