# section302-ghg-co2e — Clean Air Act "major source" emission thresholds by pollutant and area classification For section302-ghg-co2e, which major-source test is Section 302 major stationary source (Title V, 40 CFR 70.2) — greenhouse-gas ‘subject to regulation’ threshold; pollutant or pollutant class is Greenhouse gases (GHGs); threshold (tons per year) is 100,000; definition heading is Major source means any stationary source, recorded from its source on 2026-08-19; source re-checked 2026-09-09. - **Row ID:** section302-ghg-co2e _(our reading, not quoted from the source)_ - **Which major-source test:** Section 302 major stationary source (Title V, 40 CFR 70.2) — greenhouse-gas ‘subject to regulation’ threshold _(our reading, not quoted from the source)_ - **Pollutant or pollutant class:** Greenhouse gases (GHGs) _(verified: appears in the quote below)_ - **Threshold (tons per year):** 100,000 _(verified: appears in the quote below)_ - **Definition heading:** Major source means any stationary source _(verified: appears in the quote below)_ ## What the source says > Greenhouse gases (GHGs), the air pollutant defined in § 86.1818-12(a) of this chapter as the aggregate group of six greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride, shall not be subject to regulation unless, as of July 1, 2011, the GHG emissions are at a stationary source emitting or having the potential to emit 100,000 tpy CO2 equivalent emissions. ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-70/subpart-A/section-70.2 Last verified: 2026-09-09. Review by: 2027-02-15. Part of [Clean Air Act "major source" emission thresholds by pollutant and area classification](https://referencesource.org/clean-air-act-major-source-thresholds/).