psd-any-other-source-250tpy
What is the which major-source test for psd-any-other-source-250tpy?
For psd-any-other-source-250tpy, which major-source test is PSD major stationary source (40 CFR 52.21) — any other source category; pollutant or pollutant class is a regulated NSR pollutant; threshold (tons per year) is 250; definition heading is Major stationary source means, recorded from its source on 2026-08-31; source re-checked 2026-09-09.
Notwithstanding the stationary source size specified in <https://www.ecfr.gov/current/title-40/section-52.21#p-52.21(b)(1)(i)(a)> paragraph (b)(1)(i)(a) of this section, any stationary source which emits, or has the potential to emit, 250 tons per year or more of a regulated NSR pollutant; or
— ecfr.gov, retrieved 2026-08-31
- Row ID
- psd-any-other-source-250tpy our reading
- Which major-source test
- PSD major stationary source (40 CFR 52.21) — any other source category our reading
- Pollutant or pollutant class
- a regulated NSR pollutant verified
- Threshold (tons per year)
- 250 verified
- Definition heading
- Major stationary source means verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-52/subpart-A/section-52.21