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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> FcCampbell Analytical Inc <br /> MTelephone 925-798-1620 Fax 925-798-1622 <br />' http/Avwwmccampbcllcom E-mail main@tnecampbcllcom <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> BatchlD 2653 Matrix W WorkOrder 0206428 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 6/27/02 Spiked Sample ID N/A <br /> Sample Spiked MS" 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(gas) N/A 60 N/A N/A N/A 993 999 065 80 120 <br />' MTBE N/A 10 N/A N/A NIA 995 112 12 80 120 <br /> Benzene N/A 10 N/A N/A N/A 103 113 94 80 120 <br />' Toluene N/A 10 N/A N/A N/A 110 113 2 5 80 120 <br /> Etbylbenzene N/A 10 N/A N/A N/A 105 114 78 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 107 113 61 80 120 <br />' %sS NIA 10 NIA N/A N/A 107 107 084 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 /> 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 matnx spike or analyte concentration in sample exceeds spike amount <br /> I %Recovery=100"(MS-Sample)/(Amount Spiked),RPD=100"(MS—MSD)/(MS+MSD)"2 <br /> MS and/or MSD spike recovenes may not be near 100%or their RPDs near 0%rt 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 />