StacksVerified U.S. regulatory reference

40 CFR §52.690

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The requirements of section 169A of the Clean Air Act are not met, because the plan does not include approvable procedures for protection of visibility in mandatory Class I Federal areas.
  2. (b)-(c) [Reserved]