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 www.epa.gov. 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Beryllium: National Emissions Standards for Hazardous Air Pollutants

On this page:

Rule Summary

On April 6, 1973, the U.S. EPA promulgated the National Emissions Standards for Hazardous Air Pollutants for Beryllium.  The standards include a determination from the Administrator that sources of beryllium emissions should be controlled such that ambient air does not contain beryllium at air levels higher than 0.01 micrograms per cubic meter over a 30 day average.

Rule History

04/06/1973 - Final rule

12/07/1971 - Proposed rule.

Additional Resources

Background Information Document