Montana Mobile Sources regulations & environmental compliance analysis

Montana Mobile Sources: What you need to know

Governing Law and Regulations

Motor vehicle antitampering requirements: Administrative Rules of Montana (ARM) 17.8.325

Regulatory Agencies
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Montana Department of Environmental Quality (DEQ) Permitting and Compliance Division Air Resources Management Bureau

U.S. Environmental Protection Agency (EPA) Region 8

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Applicable sources in Montana must comply with the federal mobile source provisions. See the national section MOBILE SOURCES for additional information.

Several local jurisdictions have developed additional standards to control emissions from mobile sources, many of which have been incorporated into the state implementation plan. Contact the municipal government in the applicable area.

Administration and enforcement. The Air Resources Management Bureau of DEQ's Permitting and Compliance Division, municipal governments, and EPA are all responsible for the administration and enforcement of various mobile source regulatory programs.

State Requirements

MOTOR VEHICLE ANTITAMPERING REQUIREMENTS

ARM 17.8.325

No exhaust emission control, crank case ventilation, or any other air pollution control device may be intentionally removed, altered, or otherwise rendered inoperative if it has been installed on the vehicle as a requirement of a federal law or regulation. In addition, no vehicle that was originally equipped with an air pollution control device to comply with a federal law or regulation may be operated unless the required device is in place and operating properly.


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