Air Toxics Notebook
Primary Magnesium Refining -  Subpart TTTTT

Applicability: eCFR Subpart TTTTT [ecfr.gov]

Applies to major sources of HAP that operate a primary magnesium refining operation.
Rules apply to small, area sources? No
Known Sources in NDEQ Jurisdiction: No
Date of Original Final Rule: 10/10/03
Amendments Dates: 02/12/2021 - Pre-publication Proposed Rule; extension of public comment period
01/08/2021 - Proposed Rule
10/10/2003 - Final Rule
State Regulations (Title 129): This standard is not currently adopted into Title 129. Sources are responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.
Federal Regulations: 40 CFR 63.9880
Related Rules:
Regulations and Federal Registers:
eCFR Subpart TTTTT [ecfr.gov]
(See attached file: 5T - Fed. Reg. 2021-02-12 - Pre-publication proposed rule.pdf)
(See attached file: 5T - Fed. Reg. 2021-01-08 - Proposed Rule.pdf)
(See attached file: 5T- Fed. Reg. 2003-10-10 - Final Rule.pdf)

SizeFile Name
237 KB 5T - Fed. Reg. 2021-02-12 - Pre-publication proposed rule.pdf
406 KB 5T - Fed. Reg. 2021-01-08 - Proposed Rule.pdf
186 KB 5T- Fed. Reg. 2003-10-10 - Final Rule.pdf
Forms:
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: EPA's Subpart TTTTT Website [epa.gov] - contains federal register notices and implementation tools
Presentations, Training and Articles:
Other Information and Resources:
Notes:
Page Last Updated: 6/21/21