01822oam 2200457 450 991071335170332120200402092011.0(CKB)5470000002500126(OCoLC)1140504932(EXLCZ)99547000000250012620200206d2020 ua 0engur||||||a||||txtrdacontentcrdamediacrrdacarrierDraft guidance on the preparation of Clean Air Act section 179B demonstrations for nonattainment areas affected by international transport of emissionsResearch Triangle Park, NC :U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Policy Division,2020.1 online resource (ii, 46) illustrations (some color), color map"EPA-457/P-20-001.""January 2020"Includes bibliographical references (pages 44-46).Draft for informal review and commentAir qualityStandardsUnited StatesAir quality managementUnited StatesEnvironmental policyUnited StatesAir quality managementfastUnited StatesfastAir qualityStandardsAir quality managementEnvironmental policyAir quality management.United States.Environmental Protection Agency.Air Quality Policy Division,EKBEKBOCLCFGPOBOOK9910713351703321Draft guidance on the preparation of Clean Air Act section 179B demonstrations for nonattainment areas affected by international transport of emissions3264916UNINA