Air Permits, Licenses, Certifications

The Maine Department of Environmental Protection licenses air emission sources throughout the state. Licensing staff are available to answer licensing questions. Below is information on obtaining an air emission license and resources such as lists of currently licensed sources. For more information, contact Marc Cone (207)287-7049

Minor Sources and New Source Review (NSR) Applications & Guidance (Chapter 115 Sources) - Download license applications and guidance documents.

List of Minor Source Licenses - View a list of minor source licenses (large page, be patient while loading).

Major Sources Applications & Guidance (Chapter 140 Sources/Title V) - Download license applications and guidance documents.

List of Major Source Licenses - View a list of current major sources; download finalized Title V Licenses.

NonMetallic Mineral Processing Plants Chapter 149 (Rock Crusher) - Download applications and guidance documents.

List of NonMetallic Mineral Processing Plants (Rock Crusher) - View a list of current NonMetallic Mineral Processing Plants.

Tax Exemption Certification - Download applications and guidance documents.

Smaller - Scale Electric Generating Resources Registration Form (Chapter 148) - Download registration form.

Air Emissions License Surrender Form - Download license surrender form.