01584nam 2200409 450 991070488790332120130916145011.0(CKB)5470000002444853(OCoLC)858288275(EXLCZ)99547000000244485320130916d2013 ua 0engurmn|||||||||rdacontentrdamediardacarrierAir quality modeling technical support document proposed tier 3 emission standardsResearch Triangle Park, N.C. :Air Quality Assessment Division, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency,2013.1 online resource (169 unnumbered pages) mapsTitle from title screen (viewed Sept. 11, 2013)."March 2013.""EPA-454/R-13-006."Includes bibliographical references.Air quality modeling technical support document Air qualityStandardsUnited StatesAirPollutionUnited StatesMathematical modelsAirPollutionLaw and legislationUnited StatesAir qualityStandardsAirPollutionMathematical models.AirPollutionLaw and legislationUnited States.Environmental Protection Agency.Air Quality Assessment Division,GPOGPOBOOK9910704887903321Air quality modeling technical support document3443882UNINA