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Regulations last checked for updates: May 23, 2025

Title 40 - Protection of Environment last revised: Apr 23, 2028
All TitlesTitle 40Chapter IPart 52Subpart TT - Subpart TT—Utah
  • § 52.2320 - Identification of plan.
  • § 52.2321 - Classification of regions.
  • § 52.2322 - Extensions.
  • § 52.2323 - Approval status.
  • § 52.2324 - Original identification of plan.
  • §§ 52.2325-52.2330 - §[Reserved]
  • § 52.2331 - Attainment dates for national standards.
  • § 52.2332 - Control strategy: Ozone.
  • § 52.2333 - Legal authority.
  • §§ 52.2334-52.2345 - §[Reserved]
  • § 52.2346 - Significant deterioration of air quality.
  • § 52.2347 - Stack height regulations.
  • § 52.2348 - National Highway Systems Designation Act Motor Vehicle Inspection and Maintenance (I/M) Programs.
  • § 52.2350 - Emission inventories.
  • § 52.2351 - Area-wide nitrogen oxides (NOX) exemption.
  • § 52.2352 - Change to approved plan.
  • § 52.2353 - Control strategy: Carbon monoxide.
  • § 52.2354 - Interstate transport.
  • § 52.2355 -
  • § 52.2356 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
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