State Emission Standards - Diesel: ARIZONA
NOTE:
Because of frequent revisions in state emission standards, the emission standards listed in this article should only be used as a guide.
ARIZONA EMISSION STANDARDS - PHOENIX & TUCSON AREA (DIESEL OPACITY LOADED CRUISE TEST)
| Application | Altitude (Feet) | Opacity (% For 10 Seconds) | |
|---|---|---|---|
| Light Duty Vehicles (8500 GVWR Or Less) | |||
| All Years | Less Than 2000 | 20 Or Less | |
| 2001-4000 | 30 Or Less | ||
| Greater Than 4000 | 40 Or Less | ||
ARIZONA EMISSION STANDARDS - PHOENIX & TUCSON AREA (DIESEL J1667 SNAP IDLE TEST)
| Application | Altitude (Feet) | Opacity (% For 10 Seconds) | |
|---|---|---|---|
| Heavy Duty Vehicles (8500 GVWR Or Greater) | |||
| 1990 & Earlier | All | 55 | |
| 1991 & Newer | All | 40 | |