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I110 2nd Avenue South ND7 Pacheco,CA 94553-5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 Fax 925-799-1622 <br /> http//www mccampbell cam E-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303507 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 6362 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD]Acceptance Criteria(%} <br /> Compound <br /> pglL pg/L %Rec %Rec %RPD %Rec %Rec %RPO Low High <br /> Methyl-t-butyl ether(MTBE) NIA 10 N/A NIA N/A 852 85 8 0 756 70 130 <br />' %SS1 NIA 100 NIA NIA NIA 932 919 139 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> lie <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 /> 10 <br /> N/A=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)/(Amount Spiker!) RPD=100"(MS—MSD)I(MS+MSD)'2 <br /> "MS and/or MSD spike recoveries may not be near 100%or the RPDs near o%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 />