Air Quality Permit Information
Central and Regional Office Contact Info
For general Air Quality Permit questions, please call 717-787-4325. For more specific questions, contact the appropriate Regional Office (PDF) serving you.
Proposed General Permits
Proposals with closed Comment Periods
Reasonably Available Control Technology (RACT)
- RACT I
- Additional RACT Requirements for Major Sources of NOx and VOCs (RACT II)
Introduction to the National Emission Standards for Hazardous Air Pollutants
- Section 112(j) MACT "Hammer"
- MACT Program Description (PDF)
Section 112 of the Clean Air Act establishes construction and reconstruction requirements for major sources of hazardous air pollutants.
Air Toxics & Risk Assessment
- State Plans Addressing Federal Emission Guidelines