Governing Law and Regulations
Montana Department of Environmental Quality (DEQ) Permitting and Compliance Division Air and Waste Management Bureau
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. DEQ's Title V operating permit program mirrors the federal requirements. Montana's Title V operating permit program received full approval from the U.S. Environmental Protection Agency, effective January 22, 2001. See the national section TITLE V for more information on the federal requirements.
Sources that are not required to apply for a Title V operating permit may operate under the provisions of a preconstruction permit. For information on preconstruction permits, see the state sections AIR EMISSIONS PERMITS and NEW SOURCE REVIEW.
• Administration and enforcement. DEQ administers and enforces the Title V program in Montana.
NON-TITLE V OPERATING PERMITS
ARM 17.8.740 to 17.8.770
Air quality permits include provisions for the construction and operation of the source and are valid for the life of the source provided there is no additional construction or modification, and the permit is not revoked for any reason.
Synthetic Minor Permits
Sources with potential emissions above the major source ...