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Technology Transfer Network Clearinghouse for Inventories & Emissions Factors
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January 18, 2007: SPECIATE 4 is available.
July 16, 2007: National emissions trends data for Tier 1 categories has been posted for 1970 to 2006.
May 22, 2008: Source of Air Emissions - The Air Emission Sources website is designed to provide the public with summary emissions information from the national database of air pollutant emissions, the National Emissions Inventory.
June 24, 2008: The 17th International Emission Inventory Conference, final program, papers, presentation, training and poster session is now available.
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