Air Emissions Inventories, Modeling, Monitoring and Emissions Factors
Clearinghouse for Inventories and Emissions Factors (CHIEF) is a collection of EPA resources dealing with air emissions data, estimates, monitoring, reporting, modeling and inventories. Below are resources available.
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Air Emissions Inventories
Learn about the amount and type of pollutants released by humans and natural sources.
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Air Emissions Modeling
Find emissions model input based on National Emission Inventory databases.
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Air Emissions Monitoring Knowledge Base
Basic information about monitoring techniques by industry type and control technique.
Electronic Reporting of Air Emissions
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Air Emissions Factors and Quantification
![image of air tanks](/sites/default/files/styles/large/public/2019-10/imageairemissions.png?itok=LL62UwTb)