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110 2nd Avenue South PD7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc 'telephone 925-798-1620 Fax 925-798-1622 <br />' I hup l/www mccampbell com E-mail main©mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303506 <br />' EPA Method SW8260B Extraction SW50308 BatchlD 6362 Spiked Sample ID NIA <br /> Sample Spiked MS- MSD' MS-MSD`I LCS I LCSD LCS-LCSD!Acceptance Criteria(%) <br />' Compound --- <br /> pg/L pg/L %Rec %Rec % RPD %Rec %Rec % RPD Low High <br /> Methyl-t-butyl ether(MTBE) N/A 10 NIA NIA N/A 852 858 0 756 70 130 <br />' %SS 1 N/A 100 NIA NIA NIA 932 91 9 1 39 70 130 <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 <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 and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100"(MS-Sample)I(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> MS and I 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 />