Arizona Mobile Sources regulations & environmental compliance analysis

Arizona Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M): Arizona Administrative Code Rules (AZ Admin. Code R) 18-2-1001 to 18-2-1031 and Arizona Revised Statutes (AZ Rev. Stat.) 49-541

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Inspection area: AZ Admin. Code R 18-2-1003 and AZ Rev. Stat. 49-541

Inspection schedule: AZ Admin. Code R 18-2-1003

Inspection network: AZ Admin. Code R 18-2-1003

Inspection tests: AZ Admin. Code R 18-2-1006 and R 18-2-1011

Inspection exemptions and waivers: AZ Admin. Code R 18-2-1003, AZ Admin. Code R 18-2-1008, and AZ Admin. Code R 18-2-1010

Nonroad mobile sources: AZ Admin. Code R 18-2-801 to R 18-2-805

Regulatory Agencies

Arizona Department of Environmental Quality (ADEQ) Air Quality Division

Arizona Department of Transportation Motor Vehicle Division (MVD)

Maricopa County Environmental Services Department Air Quality Division

Pima County Air Quality Control District

Pinal County Air Quality Control District

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 Arizona.

In addition, the state and local air pollution control agencies have established additional programs to implement optional federal programs and other requirements to control mobile source emissions and make progress toward attainment of all the national ambient air quality standards.

Administration and enforcement. ADEQ's Air Quality Division works in conjunction with MVD to administer and enforce the vehicle I/M program. The local air pollution control agencies implement and enforce idling and ...


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