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 will need Adobe 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)