An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

6 Source Categories - Stationary Compression Ignition Engines (Proposed Action)

General Permits and Permits by Rule Implementation

EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country. This action would ensure that air quality in Indian country is protected by facilitating the implementation of the Federal Indian Country Minor New Source Review rule issued by EPA in July 2011. This action would impact 6 source categories.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.