Code of Federal Regulations > Title 40 > Chapter I > Part 98 > Subpart A > Appendix - Table A-4 to Subpart A of Part 98

Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025

Appendix - Table A-4 to Subpart A of Part 98—Source Category List for § 98.2(a)(2)

Table A-4 to Subpart A of Part 98—Source Category List for § 98.2(a)(2)


Source Categories ^a Applicable in Reporting Year 2010 and Future Years:
Ferroalloy production (subpart K of this part).
Glass production (subpart N of this part).
Hydrogen production (subpart P of this part).
Iron and steel production (subpart Q of this part).
Lead production (subpart R of this part).
Pulp and paper manufacturing (subpart AA of this part).
Zinc production (subpart GG of this part).
Additional Source Categories ^a Applicable in Reporting Year 2011 and Future Years:
Electronics manufacturing (subpart I of this part).
Fluorinated gas production (subpart L of this part).
Magnesium production (subpart T of this part).
Petroleum and Natural Gas Systems (subpart W of this part).
Industrial wastewater treatment (subpart II of this part).
Electrical transmission and distribution equipment manufacture or refurbishment, as determined under § 98.451 (subpart SS of this part).
Industrial waste landfills (subpart TT of this part).
Additional Source Categories ^a Applicable in Reporting Year 2025 and Future Years:
Ceramics manufacturing facilities, as determined under § 98.520 (subpart ZZ of this part).

^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; 89 FR 31899, Apr. 25, 2024]

authority: 42 U.S.C. 7401-7671q.

source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.