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NonMetallic Mineral Processing Plants (Rock Crushers)
NonMetallic Mineral Processing Plants (Rock Crushers) are regulated under Chapter 149 of the Department's Regulations.
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Chapter 149 (NonMetallic Mineral Processing Plants) Application Materials
- General Permit Application (fill in pdf format)
- General Permit Instructions (pdf)
- Notice of Intent to Comply Form (fill in pdf format)
- Notice of Intent to Comply Instructions (pdf)
- Chapter 149 (Secretary of State website, word format)
- Frequently Asked Questions About Obtaining a Chapter 149 General Permit (pdf)
- Frequently Asked Questions about Nonmetallic Mineral Processing Plants (pdf)
Complete general permit applications and notices of intent to comply should be mailed to:
DEPARTMENT OF ENVIRONMENTAL PROTECTION
Air Quality
17 State House Station
Augusta, Maine 04333-0017
If you have any questions regarding the application or information, please contact air emission licensing staff at the above address or telephone (207) 287-7688. The Bureau of Air Quality's fax number is (207) 287-7641.
Relocation Notice
Sources that have been issued an air General Permit are required to notify the Bureau of Air Quality if the equipment has been relocated.