Air Quality Permit Information

Effective January 10, 2019, inquiries and correspondence regarding new permit applications, reporting, and compliance matters related to sites in Armstrong and Indiana Counties should be directed to DEP's Northwest Regional Office. Questions on permit applications under review as of January 9, 2019, and pending enforcement matters for Armstrong and Indiana Counties should be directed to DEP's Southwest Regional Office. Inquiries can also be directed to RA-epcontactus@pa.gov.

Mining and Radiation Protection permits and programs are not affected by this regional office change. 

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.

• Permit Exemptions
• Request For Determination either via the web, or on paper.
• Plan Approval
• Completion Instructions (PDF)
• Extension Form
• General Plan Approval and/or General Operating Permit
• Operating Permit
• Emission Reduction Credits
• Miscellaneous Applications
• Air Quality Technical Guidance

Proposed General Permits

Proposals with closed Comment Periods

Reasonably Available Control Technology (RACT)

• RACT I (PDF)
• Additional RACT Requirements for Major Sources of NOx and VOCs (RACT II)
• RACT II Fact Sheet (Word)
• RACT II Overview and Implementation Presentation (PowerPoint)
• Responses to Frequently Asked Questions on RACT II Implementation (Word)

NESHAP's

• NESHAP's
  Introduction to the National Emission Standards for Hazardous Air Pollutants

• Section 112(j) MACT "Hammer"
• Notice of Availability (PDF)
• Part 1 MACT Application
• Part 2 MACT Application
• Timeline for Subject Sources (PDF)

• 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

• EPA Toxicity Data Guidance (PDF)
• Chemical-Specific Toxicity Values
• Integrated Risk Information System (IRIS)
• EPA Human Health Risk Assessment Protocol, for Hazardous Waste Combustion Facilities
• DEP Risk Assessment Guidance (PDF)

Other Information

• State Plans Addressing Federal Emission Guidelines
• Listening Sessions to Solicit Input for Developing a State Plan to Reduce Carbon Pollution from Existing Power Plants
• Section 111(d)/129 State Plan for Hospital/Medical/Infectious Waste Incinerators (PDF) (9/98)
• Section 111(d)/129 State Plan For Large Municipal Waste Combustors (PDF) (4/98)
• Section 111(d)/129 State Plan For Municipal Solid Waste Landfills (PDF) (6/97)

• Implementation of EPA's White Paper (PDF)
  Implementation of EPA's White Paper for Pennsylvania DEP Title V Permit Applications