Virginia Mobile Sources regulations & environmental compliance analysis

Virginia Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M) program: 9 Virginia Administrative Code (VAC) 5-91

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Automobile emissions standards:

Automobile antitampering standards: 9 VAC 5-40-5670(A)

Automobile visible emissions standards: 9 VAC 5-40-5670(B)

Heavy-duty vehicle emissions standards:

Heavy-duty vehicle visible emissions standards: 9 VAC 5-40-5670(B)

Heavy-duty vehicle idling standards: 9 VAC 5-40-5670(C)

Employer trip reduction and commuting: 42 USC 7511a(d)(1)(B)

Nonroad engine standards:

Visible emissions standards: 9 VAC 5-40-80 and 9 VAC 5-40-5680

Regulatory Agencies

Virginia Department of Environmental Quality (DEQ) Division of Air Quality

Virginia Department of Motor Vehicles (DMV)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. There are many mobile source regulatory requirements implemented nationally by the U.S. Environmental Protection Agency (EPA) that impact mobile sources in Virginia. In addition, the state has established programs to implement optional federal programs and state-specific requirements to control mobile source emissions and make progress toward attainment of all the national ambient air quality standards.

Administration and enforcement. DEQ's Air Division administers and enforces the mobile source requirements in Virginia. DEQ and DMV jointly administer and enforce the vehicle I/M program in Virginia.

State Requirements


9 VAC 5-91

Certain vehicles in 10 counties in Virginia must comply with vehicle I/M provisions.

Inspection Area and Applicability

Virginia's vehicle I/M program is called Air Check Virginia. All gasoline-powered ...

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Virginia Mobile Sources Resources

Type Title
Forms Stage II System Decommissioning Notification Form
See all Mobile Sources Resources