2060-AR18 201110 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2060 Air and Radiation AR 2000 Environmental Protection Agency EPA Air Quality Designations for the 2010 Sulfur Dioxide Primary National Ambient Air Quality Standard Substantive, Nonsignificant First Time Published in The Unified Agenda Final Rule Stage No No 40 CFR 81 (revision) 42 USC 7407(d) Statutory Final 06/03/2012 2 yrs. from 6/3/2010 promulgation of the revised SO2 NAAQS No Final Action 06/00/2012 No No None No No No No Douglas Solomon 2060 Office of Air and Radiation OAR 919 541-4132 919 541-0684 solomon.douglas@epamail.epa.gov C539-04, Research Triangle Park NC 27711 Rhea Jones 2060 Office of Air and Radiation OAR 919 541-2940 919 541-5489 jones.rhea@epa.gov C539-04, Research Triangle Park NC 27711