§ 81.11 Scope.

FederalRegulations

Ask Donna

How this section applies to your facts.

Title 40 CFR: Protection of Environment › Chapter I › Part 81 › Subpart B › § 81.11: § 81.11 Scope.

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

Text

Air quality control regions designated by the Administrator pursuant to section 107 of the Act are listed in this subpart. Regions so designated are subject to revision, and additional regions may be designated, as the Administrator determines necessary to protect the public health and welfare.

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

A word about cookies

We need a few to keep you signed in and the library working. The rest help us see which pages people use and where they get stuck. They stay off unless you say yes.

§ 81.11 Scope. · 40 C.F.R. § 81.11 (2026) | Frix