2060-AI43 200810 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2060 Air and Radiation AR 2000 Environmental Protection Agency EPA Review of the National Ambient Air Quality Standards for Carbon Monoxide Other Significant Previously Published in The Unified Agenda Prerule Stage No No 40 CFR 50 42 USC 7409 Statutory Final 08/01/1999 No ANPRM 08/00/2009 NPRM 10/00/2010 Final Action 05/00/2011 SAN No. 4266; EPA Docket information: EPA-HQ-OAR-2008-0015 No No Undetermined No No No No Dave McKee 2060 Office of Air and Radiation OAR 919 541-5288 mckee.dave@epa.gov C504-06, RTP NC 27711 Karen Martin 2060 Office of Air and Radiation OAR 919 541-5274 919 541-0237 Martin.Karen@epamail.epa.gov C504-06, Research Triangle Park NC 27711