US lawUtahRegulationsAgency 13 — Environmental QualityProgram 307 — Air QualityR307-405 — Permits: Major Sources in Attainment or Unclassified Areas (PSD)R307-405-13R307-405-13R307-405-13. Air Quality ModelsLast amended: 2023Length: 11 wordsOfficial source Cite as Utah Admin. Code R307-405-13The provisions of 40 CFR 52.21(l) are hereby incorporated by reference.PreviousR307-405-12NextR307-405-14