Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table A-4 to Subpart A of Part 98—Source Category List for § 98.2(a)(2)
Link to an amendment published at 89 FR 31899, Apr. 25, 2024.
Source Categories a Applicable in Reporting Year 2010 and Future Years
Ferroalloy production (subpart K).
Glass production (subpart N).
Hydrogen production (subpart P).
Iron and steel production (subpart Q).
Lead production (subpart R).
Pulp and paper manufacturing (subpart AA).
Zinc production (subpart GG).
Additional Source Categories a Applicable in Reporting Year 2011 and Future Years
Electronics manufacturing (subpart I)
Fluorinated gas production (subpart L)
Magnesium production (subpart T).
Petroleum and Natural Gas Systems (subpart W)
Industrial wastewater treatment (subpart II).
Industrial waste landfills (subpart TT).

a Source categories are defined in each applicable subpart.

[75 FR 39760, July 12, 2010, as amended at 75 FR 74488, Nov. 30, 2010; 75 FR 74817, Dec. 1, 2010; 81 FR 89250, Dec. 9, 2016]
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.