PUBLIC NOTICE | Proposed Arizona Vehicle Emissions Inspection and Maintenance Program SIP Revision

ADEQ welcomes comments on the proposed Arizona Vehicle Emissions Inspection and Maintenance (I/M) Program State Implementation Plan (SIP) revision. The revision consists of minor statutory and regulatory changes to the I/M program, including expansion of OBD testing, elimination of waivers for vehicles with failing catalytic converters, elimination of the liquid fuel leak test, exemption from testing for cranes and oversize vehicles, and exemption from testing for vehicles owned by members of the military on active duty.

The revision will be submitted to EPA for incorporation in Arizona’s SIP as required by the Clean Air Act under Section 110.

Review Documents

Original Published Public Notice | View >

Proposed SIP Revision | View >

Documents are also available for review at ADEQ's Records Center | Learn More > 

Comment Period

April 12, 2022 – May 12, 2022

You can submit comments by one of the following:

By Email:

Send Email > 

By Mail:

Must be postmarked or received no later than May 12, 2022

Steve Burr
Air Quality Division
1110 W. Washington St.
Phoenix, AZ 85007

At the Virtual Public Hearing:

Comments are also welcome at the following virtual public hearing:
Date: May 12, 2022
Time: 11 a.m.
Location: Online via GoToWebinar | Register to Join >
                   After registering, you will receive a confirmation email containing information about joining the webinar.