02131nam 2200469 450 991070489940332120130828104138.0(CKB)5470000002444736(OCoLC)857140651(OCoLC)995470000002444736(EXLCZ)99547000000244473620130828d2010 ua 0engurmn||||a||||rdacontentrdamediardacarrierPolicy assessment for the review of the secondary national ambient air quality standards for NOx and SOx first external review draft /[prepared by ... the Office of Air Quality Planning and Standards]Research Triangle Park, N.C. :U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division,2010.1 online resource (365 unnumbered pages) color illustrations, mapsTitle from title screen (viewed on Aug. 28, 2013)."March 2010.""EPA 452/P-10-006."Includes bibliographical references.Policy assessment for the review of the secondary national ambient air quality standards for NOx and SOx Air qualityStandardsUnited StatesSulfur oxidesStandardsUnited StatesAtmospheric sulfur dioxideStandardsUnited StatesAtmospheric nitrogen oxidesStandardsUnited StatesAir quality managementUnited StatesAir qualityStandardsSulfur oxidesStandardsAtmospheric sulfur dioxideStandardsAtmospheric nitrogen oxidesStandardsAir quality managementUnited States.Environmental Protection Agency.Health and Environmental Impacts Division,GPOGPOBOOK9910704899403321Policy assessment for the review of the secondary national ambient air quality standards for NOx and SOx3478005UNINA