Primary Magnesium Refining
For Primary Magnesium Refining, cfr subpart is 40 CFR 63 Subpart TTTTT; source type is major sources; original final rule date is 2003-10-10; most recent amendment date is 2003-10-10; rtr status is pending, recorded from its source on 2026-09-29.
- source category
- Primary Magnesium Refining verified
- cfr subpart
- 40 CFR 63 Subpart TTTTT
- source type
- major sources our reading
- original final rule date
- 2003-10-10
- most recent amendment date
- 2003-10-10
- rtr status
- pending our reading
- key haps regulated
- chlorine, hydrochloric acid, dioxin/furan, and trace amounts of several HAP metals
- epa category url
- https://www.epa.gov/stationary-sources-air-pollution/primary-magnesium-refining-national-emissions-standards-hazardous 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
This action promulgates national emission standards for hazardous air pollutants (NESHAP) for primary magnesium refining facilities. The EPA has identified primary magnesium refining facilities as a major source of hazardous air pollutant (HAP)
— epa.gov, retrieved 2026-09-29
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
Primary Magnesium Refining | 1/8/2021 | TBD
— all from epa.gov, retrieved 2026-09-29