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Inspection and Maintenance

National Information

Inspection and Maintenance (I/M) programs require that automobiles be tested for emissions levels on a regular basis. Areas that have high ozone levels may choose to implement an I/M program. Below are the states in Region 4 with I/M programs:

Report a Violation

If you observe an individual, test station, or repair station tampering with vehicle's emission control systems, falsifying emission test results, or preforming any other fraudulent actions, you can report the violation by calling (202) 564-1033.


For information on the contents of this page contact Amanetta Somerville.

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