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' 11021 <br /> T,;d Avenue South IiD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc ephone 925 798-1620 Fax 925-798-1622 <br /> F4-' blip llwww mccampbel]com Email mam(cr�mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> BatchlD 1915 Matrix W WorkOrder 0205232 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 5117/02 Spiked Sample ID N/A <br /> Sample Spiked NIS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound ' <br /> pg/L pg/L % Rec %Rec %RP13 %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 107 104 20 80 120 <br /> ' I <br /> MT13E N/A ]0 N/A ' N/A N/A 104 104 0 18 80 120 <br /> I Benzene N/A i 10 N/A N/A N/A 105 102 25 80 120 <br /> Toluene N/A 10 N/A N/A N/A i 110 108 1 8 80 120__ <br /> Ethylhenzene N/A 10 NIA N/A N/A j 108 106 ; 21 i 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 107 107 0 80 120 <br /> I %SS N/A 10 N/A N/A N/A l0$ 105 3 1 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 /> lie <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=100'(MS-Sample)I(Amount Spiked) RPD=1 no,(MS_MSD)/(MS+MSD)"2 <br /> I 'MS and/or MSD spike recoveries 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 />