01600oam 2200397 a 450 991070286320332120091218110510.0(CKB)3460000000108439(OCoLC)370428820(EXLCZ)99346000000010843920090604d2009 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEPA's proposed revisions to the particulate matter air quality standards[electronic resource] hearing before the Subcommittee on Clean Air, Climate Change, and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Ninth Congress, second session, July 13, 2006Washington :U.S. G.P.O.,2009.iii, 244 pages digital, PDF fileS. hrg. ;109-1049Title from title screen (viewed on June 4, 2009).Includes bibliographical references.EPA's proposed revisions to the particulate matter air quality standards Air qualityStandardsUnited StatesAirPollutionStandardsUnited StatesParticlesEnvironmental aspectsUnited StatesAir qualityStandardsAirPollutionStandardsParticlesEnvironmental aspectsGPOGPOGPOBOOK9910702863203321EPA's proposed revisions to the particulate matter air quality standards3495311UNINA