The National Emissions Inventory (NEI) is a comprehensive and detailed estimate of annual total air emissions of both criteria and hazardous air pollutants (HAPs) from all air emissions sources.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- 2014 NEI Plan (PDF)(16 pp, 249 K)
- 2014 NEI Schedule (PDF)(1 pg, 88 K)
- Response to Comments on the 2014 NEI Plan (PDF)(5 pp, 401 K)
- Clarifying Technical Direction for Nonpoint 2014 NEI Data Submittal (PDF)(2 pp, 187 K)