![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Day 04
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants, Commonwealth of Pennsylvania; Delegation of Authority
- Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants, Commonwealth of Pennsylvania; Delegation of Authority
- Adequacy Status of the Portland, OR Carbon Monoxide Maintenance Plan for Transportation Conformity Purposes
AIR TEXT Files - [ZIP 12kb] - Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants, Commonwealth of Pennsylvania; Delegation of Authority