![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Air Quality Designations for the Fine Particle (PM2.5) National Ambient Air Quality Standards; Notice of Actions Denying Petitions for Reconsideration | PDF Version (86K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Interstate Transport of Pollution | PDF Version (100K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Amendment to Massachusetts' State Implementation Plan for Transit System Improvements | PDF Version (119K, About PDF)
- Update of Continuous Instrumental Test Methods: Technical Amendments | PDF Version (67K, About PDF)