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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' 4 blip l/www mccampbell corn E-mail main@jnccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0210068 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 4261 Spiked Sample ID NIA <br /> Sample <br /> Compound Spiked MS' MSD- MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria <br /> Ng/L pg/L % Rec I %Rec %RPD %Rec %Rec %RPD I Low I High j <br /> Dusopropyl ether(DIPS) NIA 10 N/A I N/A N/A 864 953 984 70 130 <br /> Ethyl Cert-butyl ether(ETBC) N/A 10 N/A NIA N/A 91 6 101 100 70 130 <br /> Methyl-t-butyl ether(MTBE) N/A 10 N/A NIA N/A 966 107 lot 70 130 <br /> tert-Amyl methyl ether(TAME) TVA 10 N/A N/A NIA 995 106 655 70 130 <br /> %SS N/A 100 NIA N/A N/A 103 102 0 868 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 /> I NONE <br /> j <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> IDeviation <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)/(MS;MSD)'2 <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%It a)the sample is Inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specafic sample matrix interferes with spike recovery <br />