01462oam 2200409 a 450 991069911160332120230902162249.0(CKB)5470000002400784(OCoLC)682553374(EXLCZ)99547000000240078420101122d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAir Pollution Control Technology Center[electronic resource]Research Triangle Park, NC :U.S. Environmental Protection Agency, Air Pollution Prevention and Control Division :RTI International,[2009]1 online resource ( 2 pages) illustrationsTitle from title screen (viewed on Jan. 31, 2011)."March 2009."ETVU.S. Environmental Protection Agency (EPA), Environmental Technology Verification (ETV) ProgramPollution control industryFilters and filtrationAirPollutionPollution control industry.Filters and filtration.AirPollution.United States.Environmental Protection Agency.Air Pollution Prevention and Control Division.EJBEJBGPOBOOK9910699111603321Air Pollution Control Technology Center3161201UNINA