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110 2nd Avenue South #D7 Pacheco CA 94551 5560 <br />' McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http!lwww mcumpbellcam E-mail main re ccampbell com <br /> • <br />' QC SUMMARY REPORT FOR SW8260B <br />' Matrix W WorkOrder 0212123 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 5217 Spiked Sample ID 0212131-0020 <br />' <br /> Compound <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> Ng/L pg/L % Rec % Rec %RPD %Rec % Rec % RPD Low i High <br /> i <br /> Dnsopropylether(DIPE) N/A 10 NIA N/A N/A 118 120 0 70 130 <br />' Ethyl tent-butyl ether(ETBE) N/A 10 NIA N/A N/A Ito Ito 0 70 130-� <br /> Methyl-t-butyl ether(MTBE) N/A 10 N/A N/A NIA 115 116 0 70 130 <br />' tert-Amyl methyl ether(TAME) N/A 10 N/A N/A N/A 91 91 6 0 70 130 <br /> Methanol N/A2500 N/A N/A N/A 80 94 6 0 70 130 <br />' Ethanol N/A 500 <br /> romoethane( N/A N/A N/A 104 104 0 70 130 — <br /> 1,2-D3bEDB) N/A 10 NIA N/A NIA 89 90 0 70 130 <br /> 1,2-Drchloroethane(1,2-DCA) N/A 10 N/A N/A NIA 109 110 0 70 130 <br />' °�osS N/A i06 N/A N/A N/A 104 103 0 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 /> MS w Matrix Spike MSD=Matrix Spoke Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relatwe Percent <br /> Deviatien <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 z loo*(MS Sample)I(Amount Spiked) RPD=100'(MS–MSD)/(MS+MSD)'2 <br /> I '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 />