01447nam 2200385I 450 991070542280332120141015083504.0(CKB)5470000002451162(OCoLC)892966400(EXLCZ)99547000000245116220141015j201405 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierGuidance for PM₂.₅ permit modelingResearch Triangle Park, North Carolina :U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assessment Division,May 2014.1 online resource (144 unnumbered pages) color illustrations, color mapsTitle from title screen (viewed on Oct. 15, 2014).Project Officer: George Bridgers."EPA-454/B-14-001"Includes bibliographical references.AirPollutionStandardsUnited StatesAir qualityMathematical modelsAirPollutionStandardsAir qualityMathematical models.Bridgers George1392326United States.Environmental Protection Agency.Air Quality Assessment Division,GPOGPOBOOK9910705422803321Guidance for PM₂.₅ permit modeling3446874UNINA