2011 Arizona Revised Statutes
Title 49 The Environment
49-542.06 Roadside testing of diesel vehicles; contract; test standards; cut points

49-542.06. Roadside testing of diesel vehicles; contract; test standards; cut points

A. The department shall establish and administer a roadside testing program for diesel powered motor vehicles with a gross vehicle weight rating of more than ten thousand pounds that are operated in area A or B, including diesel vehicles registered pursuant to title 28, chapter 7, article 7 or 8. The department may contract with an independent contractor to implement the program. If an independent contractor is used, the department of administration, in consultation with the department of environmental quality, shall administer the request for proposal and award processes.

B. The smoke testing procedures and measuring equipment used in determining violations of the test standards shall be conducted in accordance with the society of automotive engineers recommended practice J1667, snap acceleration smoke test procedure for heavy-duty diesel powered vehicles. The department shall develop criteria and procedures to validate that meters produce consistent and repeatable results.

C. The department shall develop maximum allowable opacity cut points based on model year of vehicles.

D. The inspection program shall include appropriate visual screening and shall provide for the issuance of citations for failure to comply.

E. The program shall provide for appropriate alternative standards for vehicles that meet engine manufacturers' specifications.