Air Quality Permit Information
Central and Regional Office Contact Info
For general Air Quality Permit questions, please contact Central Office at 717-787-4325. For more specific questions, contact the appropriate DEP Regional Office or air program.
Proposed General Permits
Proposals with closed Comment Periods
Reasonably Available Control Technology (RACT)
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