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110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> McCampbell Analyhcal Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccatnpbellcom E-mail main campbell corn <br /> • QC SUMMARY REPORT FOR SW8260B _ <br /> Matrix W WorkOrder 0307491 <br /> EPA Method SW8260B Extraction SW50308 BalchlD 8003 Spiked Sample ID 0307491-002B <br /> Sample Spiked MS' MSD* MS-MSDLCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Pg/L. pg/L % Re % R e c % RPD %Ree % Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 100 978 247 103 104 0 907 70 130 <br />' t-Butyl alcohol(?BA) ND 50 t02 979 423 104 106 268 70 130 <br /> r <br /> 1,2-Dibromoethane(EDB) ND 10 116 116 0 115 117 1 55 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 117 116 103 114 116 1 71 70 130 <br />' Dnsopropyl ether(DIPE) ND 10 117 115 1 84 115 116 1 08 70 130 <br /> Ethanol ND 500 100 916 872 95 8 106 102 70 130 <br />' Ethyl tert-butyl ether(ETRE) ND 10 105 104 1 72 103 105 1 60 70 130 <br /> Methanol ND 2500 97 8 966 127 103 967 168 70 130 <br />' Methyl-t-butyl ether(MTBE) 07121 10 109 105 1296 106 107 0 645E7O <br /> 130 <br /> %SSl 108 100 109 110 0 771 106 104 l 93 130 <br />' . Ali 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 /> MS=Matmr Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> I Deviation <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)*2 <br /> *MS and 1 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 /> 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 /> Laborato extraction solvents such as methylene chloride and acetone may occasionaliv appear in the method blank at low levels <br />