01953nam 2200445 a 450 991070141180332120120412150850.0(CKB)5470000002418964(OCoLC)785621374(EXLCZ)99547000000241896420120412d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCASAC review of Particulate matter urban-focused visibility assessment, second external review draft (January 2010)[electronic resource] /[signed] Jonathan M. SametWashington, D.C. :U.S. Environmental Protection Agency, Office of the Administrator, Science Advisory Board, Clean Air Scientific Advisory Committee,2010.1 online resource (16 pages) illustrations (some color)Title from title screen (viewed on Apr. 12, 2012)."April 20, 2010"--P. 1."EPA-CASAC-10-009"--P. 1.CASAC review of Particulate matter urban-focused visibility assessment, second external review draft ParticlesEnvironmental aspectsUnited StatesVisibilityMeasurementUrban pollutionUnited StatesAir qualityStandardsUnited StatesParticlesEnvironmental aspectsVisibilityMeasurement.Urban pollutionAir qualityStandardsSamet Jonathan M23211United States.Environmental Protection Agency.Science Advisory Board.United States.Environmental Protection Agency.Clean Air Scientific Advisory Committee.GPOGPOBOOK9910701411803321CASAC review of Particulate matter urban-focused visibility assessment, second external review draft (January 2010)3518217UNINA