![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Day 01
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Air Quality Implementation Plans; Revised Format for Materials Being Incorporated by Reference for North Dakota
- Final Extension of the Deferred Effective Date for 8-Hour Ozone National Ambient Air Quality Standards for the Denver Early Action Compact
AIR TEXT Files - [ZIP 23kb] - Final Extension of the Deferred Effective Date for 8-Hour Ozone National Ambient Air Quality Standards for the Denver Early Action Compact