Coal- and Oil-Fired Electric Utility Steam Generating Units (Mercury and Air Toxics Standards)
For Coal- and Oil-Fired Electric Utility Steam Generating Units (Mercury and Air Toxics Standards), cfr subpart is 40 CFR 63 Subpart UUUUU; source type is major sources; original final rule date is 2012-02-16; most recent amendment date is 2026-02-24; rtr status is completed, recorded from its source on 2026-08-15.
- source category
- Coal- and Oil-Fired Electric Utility Steam Generating Units (Mercury and Air Toxics Standards)
- cfr subpart
- 40 CFR 63 Subpart UUUUU
- source type
- major sources our reading
- original final rule date
- 2012-02-16
- most recent amendment date
- 2026-02-24
- rtr status
- completed our reading
- key haps regulated
- mercury and other hazardous air pollutants verified
- epa category url
- https://www.epa.gov/stationary-sources-air-pollution/mercury-and-air-toxics-standards 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
EPA set technology-based emissions standards for mercury and other hazardous air pollutants (HAP) emitted by units with a capacity of more than 25 megawatts.
— epa.gov, retrieved 2026-08-15
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
rtr status
Mercury and Air Toxics Standards | 6/17/2025 | 2/24/2026
— all from epa.gov, retrieved 2026-08-15