StacksVerified U.S. regulatory reference

40 CFR §52.781

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)A part of the second sentence in section 3, APC-17, which states “Where there is a violation or potential violation of ambient air quality standards, existing emission sources or any existing air pollution control equipment shall comply with th
  3. (c)-(d) [Reserved]
  4. (e)Section 2(d) of APC-20, Fugitive Dust Emissions, is disapproved because it is unenforceable within the terms of the regulation.
  5. (f)Subsections 3(b)(3) and 3(b)(5) of APC-2 (May 18, 1977) are disapproved because they are unenforceable within the terms of the regulation.
  6. (g)Disapproval. EPA is disapproving 326 IAC 25-2-1, 326 IAC 25-2-3 and 326 IAC 25-2-4 as revisions to the Indiana SIP.
  7. (h)Disapproval. EPA is disapproving the December 10, 2009 submittal of 326 IAC 7-4-14 as a revision to the Indiana SIP.