02126oam 2200505I 450 991071281060332120200212073928.0(CKB)5470000002498081(OCoLC)1138013165(EXLCZ)99547000000249808120200109j201910 ua 0engur||||||a||||txtrdacontentcrdamediacrrdacarrierPolicy assessment for the review of the Ozone National Ambient Air Quality Standards external review draft[2019 edition].Research Triangle Park, NC :U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division,2019.1 online resource (926 pages in various pagings) illustrations (chiefly color), charts, maps (chiefly color)EPA project officer: Deirdre Murphy."October 2019.""Draft - Do Not Quote or Cite"--Page 1-1."EPA-452/P-19-002."Includes bibliographical references.Policy assessment for the review of the Ozone National Ambient Air Quality Standards Atmospheric ozoneStandardsUnited StatesOzoneEnvironmental aspectsUnited StatesAir qualityStandardsUnited StatesAir qualityStandardsGovernment policyUnited StatesAir quality managementUnited StatesAtmospheric ozoneStandardsOzoneEnvironmental aspectsAir qualityStandardsAir qualityStandardsGovernment policyAir quality managementMurphy Deirdre(Scientist)1408093United States.Environmental Protection Agency.Health and Environmental Impacts Division,EKBEKBGPOBOOK9910712810603321Policy assessment for the review of the Ozone National Ambient Air Quality Standards3491166UNINA