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' 110 2nd Avenue South,ND7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http Ilwww mccamphell corn E-mail main a(��nccamphetl eom <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD 2605 Matrix W WorkOrder 0206383 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 6125/02 Spiked Sample ID 0206384-001A <br /> Compound Sample Spiked MS- MSD` MS-MSD' LC5 I LCSD LCS-LCSD Acceptance Cntena(%) <br />' pg/L pg/L % Rec %Rec % RPD %Rec FX. ec %RPD Low High <br /> TPH(gas) ND 60 104 104 00267 101 101 0 35 80 120 <br />' MTBE 1056 10 835 914 413 965 933 34 80 120 <br /> Benzene ND 10 904 962 6 17 112 104 77 80 120 <br /> Toluene ND 10 933 984 534 117 108 74 80 120 <br />' Ethylbenzene ND l0 946 992 474 114 106 69 80 120 <br /> Xylenes ND 30 947 99 448 110 103 6 2 80 120 <br />' %SS 101 I0 101 100 0 519 109 110 050 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 /> I NOME <br /> I• <br /> I <br /> 1 <br /> I <br /> I <br /> I <br /> MS=Matrix Spike,MSD=Matnx Spike Duplicate ICS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> IDeviation <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=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 />