Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 40 — Protection of Environment · Part 52 · § 52.1394

§ 52.1394. Section 110(a)(2) infrastructure requirements.

181 words·~1 min read·/us/cfr/t40/s§ 52.1394·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)On December 22, 2009, David L. Klemp, Bureau Chief, Air Resources Management Bureau, of the Montana Department of Environmental Quality submitted a certification letter which provides the State of Montana's SIP provisions which meet the requirements of CAA Section 110(a)(1) and
(2)relevant to the 1997 Ozone NAAQS.
(b)On February 10, 2010, Brian Schweitzer, Governor, State of Montana, submitted a certification letter which provides the State of Montana's SIP provisions which meet the requirements of CAA section 110(a)(1) and (2), elements (A), (B),
(C)with respect to the requirement to have a minor NSR program that addresses PM2.5; (E)(i), (E)(iii), (F), (G), (H),
(J)with respect to the requirements of sections 121 and 127, (K), (L), and (M).
(c)On September 26, 2018, Steve Bullock, Governor, State of Montana, submitted a certification letter which provides the State of Montana's SIP provisions which meet the requirements of CAA section 110(a)(1) and
(2)relevant to the 2015 8-hour Ozone NAAQS. [76 FR 43923, July 22, 2011, as amended at 78 FR 45866, July 30, 2013; 90 FR 51515, Nov. 18, 2025]
Connections2 cite this
Citation graph
cites case law
§ 52.1394
Section 110(a)(2) infrastructure requirements.
C.F.R.×1
Fed. Reg.×1
Cites 0Cited by 2 across 2 sources
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.