Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table A-3 to Subpart A of Part 98—Source Category List for § 98.2(a)(1)
Link to an amendment published at 89 FR 31899, Apr. 25, 2024.

Source Category List for § 98.2(a)(1)

Source Categories a Applicable in Reporting Year 2010 and Future Years
Electricity generation units that report CO2 mass emissions year round through 40 CFR part 75 (subpart D).
Adipic acid production (subpart E).
Aluminum production (subpart F).
Ammonia manufacturing (subpart G).
Cement production (subpart H).
HCFC-22 production (subpart O).
HFC-23 destruction processes that are not collocated with a HCFC-22 production facility and that destroy more than 2.14 metric tons of HFC-23 per year (subpart O).
Lime manufacturing (subpart S).
Nitric acid production (subpart V).
Petrochemical production (subpart X).
Petroleum refineries (subpart Y).
Phosphoric acid production (subpart Z).
Silicon carbide production (subpart BB).
Soda ash production (subpart CC).
Titanium dioxide production (subpart EE).
Municipal solid waste landfills that generate CH4 in amounts equivalent to 25,000 metric tons CO2e or more per year, as determined according to subpart HH of this part.
Manure management systems with combined CH4 and N2O emissions in amounts equivalent to 25,000 metric tons CO2e or more per year, as determined according to subpart JJ of this part.
Additional Source Categories a Applicable in Reporting Year 2011 and Future Years
Electrical transmission and distribution equipment use at facilities where the total nameplate capacity of SF6 and PFC containing equipment exceeds 17,820 pounds, as determined under § 98.301 (subpart DD).
Underground coal mines liberating 36,500,000 actual cubic feet of CH4 or more per year (subpart FF).
Geologic sequestration of carbon dioxide (subpart RR).
Electrical transmission and distribution equipment manufacture or refurbishment (subpart SS).
Injection of carbon dioxide (subpart UU).

a Source categories are defined in each applicable subpart.

[75 FR 39760, July 12, 2010, as amended at 75 FR 74817, 75078, Dec. 1, 2010; 76 FR 73900, Nov. 29, 2011; 81 FR 89250, Dec. 9, 2016]
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.