![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Day 25
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Clean Air Fine Particle Implementation Rule [HTML 629kb] or [PDF 1,093kb]
- Agency Information Collection Activities: Proposed Collection; Comment Request; PM2.5 Ozone National Ambient Air Quality Standard Implementation Rule; EPA ICR No. 2258.01
- Revisions to Definition of Cogeneration Unit in Clean Air Interstate Rule (CAIR), CAIR Federal Implementation Plan, Clean Air Mercury Rule (CAMR), and CAMR Proposed Federal Plan; Revision to National Emission Standards for Hazardous Air Pollutants for Industrial, Commercial, and Institutional Boilers and Process Heaters; and Technical Corrections to CAIR and Acid Rain Program Rules
- Science Advisory Board Staff Office Notification of an Upcoming Teleconference of the Ethylene Oxide (EtO) Review Panel
- Meeting of the Ozone Transport Commission
- Approval and Promulgation of Air Quality Implementation Plans; State of Montana; Missoula Carbon Monoxide Redesignation to Attainment, Designation of Areas for Air Quality Planning Purposes, and Approval of Related Revisions
- State Operating Permit Programs; Maryland; Revisions to the Acid Rain Regulations
- State Operating Permits Program; Maryland; Revision to the Acid Rain Regulations
AIR TEXT Files - [ZIP 232kb] - Agency Information Collection Activities: Proposed Collection; Comment Request; PM2.5 Ozone National Ambient Air Quality Standard Implementation Rule; EPA ICR No. 2258.01