02251nam 2200481 450 991070489920332120130828090505.0(CKB)5470000002444738(OCoLC)857139179(OCoLC)995470000002444738(EXLCZ)99547000000244473820130828d2011 ua 0engurmn||||a||||rdacontentrdamediardacarrierPolicy assessment for the review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur January 14, 2011 version /[prepared by Office of Air Quality Planning and Standards]Research Triangle Park, N.C. :U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division,2011.1 online resource (185 unnumbered pages) color illustrations, maps"January 2011."Title from title screen (viewed on Aug. 28, 2013)."EPA 452/R-11-004a.""EPA 452/R-11-004b"--Appendices.Includes bibliographical references.Policy assessment for the review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur Air qualityStandardsUnited StatesAtmospheric sulfur dioxideStandardsUnited StatesSulfur oxidesEnvironmental aspectsUnited StatesAtmospheric nitrogen oxidesStandardsUnited StatesAir quality managementUnited StatesAir qualityStandardsAtmospheric sulfur dioxideStandardsSulfur oxidesEnvironmental aspectsAtmospheric nitrogen oxidesStandardsAir quality managementUnited States.Environmental Protection Agency.Health and Environmental Impacts Division,GPOGPOBOOK9910704899203321Policy assessment for the review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur3520118UNINA