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Emission Test Report EMC WA-i-08 4 Section 4 n Revision: 0 Date: September 30.1999 Page 8 of 9 and combined with the corresponding XAD-2/filter extract for each tram. The combined extract was split, with one-half analyzed for dioxins and furans, and one-half archived. The sample split for dioxins and furans was taken through the remaining clean-up steps in Method 23 modified per NW SOP CS154, concentrated to 10 AL with the addition of a recovery standard, and provided for analysis by HRGOERMS, Extracts were analyzed for dioxins and furans by SOP MRI-5405 based on the L. procedures specified in Method 8290, "Polychlorinated Dibenzodioxins (PCDDs) and F Polychlorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography 1 High- Resolution Mass Spectrometry (MGC/IMMS)," in "Test Methods for Evaluating Solid Waste, Physical/Chemical (SSW-846)." The target analyte amounts, surrogate and internalh standard recoveries were quantitated according to Method 23. No modifications of these :: procedures were necessary. iZi 4.2.2 Analysis for Metals The sample components recovered from the Method 29 trains (i.e., rinses filter, and impinger contents) were digested, combined, and analyzed according to the procedures T specified in Method 29. Method 29 incorporates analytical methods published in "Test Methods for Evaluating Solid Waste Physical/Chemical (SW-846)." The SW-846 methods and MRI SOPS used for analysis am: Method 7000A and MRI SOP ASF-602 for graphite furnace atomic absorption spectroscopy (GFAAS) with Method 7131A for cadmium and Method 7421 for lead, and • Method 7470A with NW SOPS ASF-420 (preparation) and ASF-603 (analysis) for cold vapor atomic absorption spectroscopy (CVAAS) for mercury. v-« No modifications of these procedures were necessary. 4.2.3 Analysis for Particulate Matter and HCI The sample components recovered from the Method 26A train front half rinses and filters were evaporated, desiccated, and weighed, as appropriate for particulate matter determination, according to the procedures specified in Method 5 in Appendix A of 40 CFR 60. The same sample components recovered from the Method 29 trains for Run 4 inlet, and Runs 8 and 9 outlet were treated in the same manner. M29 train front halfk acetone rinses preceded the nitric acid rinses. Following analysis for particulate matter, acetone rinse residues and filters were submitted for metals analysis. MRI-AMR495I-0"3 54.wpd e