Beryllium
For Beryllium, cfr subpart is 40 CFR 61 Subpart C; source type is major sources; original final rule date is 1973-04-06; most recent amendment date is 1973-04-06; rtr status is not stated, recorded from its source on 2026-09-29.
- source category
- Beryllium verified
- cfr subpart
- 40 CFR 61 Subpart C
- source type
- major sources our reading
- original final rule date
- 1973-04-06
- most recent amendment date
- 1973-04-06
- rtr status
- not stated our reading
- key haps regulated
- 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 verified
- epa category url
- https://www.epa.gov/stationary-sources-air-pollution/beryllium-national-emissions-standards-hazardous-air-pollutants our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
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.
— epa.gov, retrieved 2026-09-29
Source
- epa.govhttps://www.epa.gov/stationary-sources-air-pollution/beryllium-national-emissions-standards-hazardous-air-pollutants