Clearinghouse for Inventories and Emissions Factors (CHIEF)
Air Emissions Inventories
Learn about the amount and type of pollutants released by humans and natural sources.
Air Emissions Modeling
Find emissions model input based on National Emission Inventory databases.
Air Emissions Factors and Quantification
Electronic Reporting of Air Emissions
Emissions Monitoring Knowledge Base
Basic information about monitoring techniques by industry type and control technique.
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