FINAL STANDARDS (Standards are in grams per mile)
Model Years | Hydrocarbons | Carbon Monoxide | Oxides of Nitrogen | |||
Composite | Phase 2 | Composite | Phase 2 | Composite | Phase 2 | |
1981-1982 | 3.0 | 2.5 | 25.0 | 21.8 | 3.5 | 3.4 |
1983-1985 | 2.4 | 2.0 | 20.0 | 17.3 | 3.5 | 3.4 |
1986-1989 | 1.6 | 1.4 | 15.0 | 12.8 | 2.5 | 2.4 |
1990-1993 | 1.0 | 0.8 | 12.0 | 10.1 | 2.5 | 2.4 |
1994+ | 0.8 | 0.7 | 12.0 | 10.1 | 2.0 | 1.9 |
Model Years | Hydrocarbons | Carbon Monoxide | Oxides of Nitrogen | |||
Composite | Phase 2 | Composite | Phase 2 | Composite | Phase 2 | |
1981-1985 | 4.0 | 3.4 | 40.0 | 35.3 | 5.5 | 5.4 |
1986-1989 | 3.0 | 2.5 | 25.0 | 21.8 | 4.5 | 4.4 |
1990-1993 | 2.0 | 1.7 | 20.0 | 17.3 | 4.0 | 3.9 |
1994+ | 1.6 | 1.4 | 20.0 | 17.3 | 3.0 | 2.9 |
Model Years | Hydrocarbons | Carbon Monoxide | Oxides of Nitrogen | |||
Composite | Phase 2 | Composite | Phase 2 | Composite | Phase 2 | |
1981-1985 | 4.4 | 3.7 | 48.0 | 42.5 | 7.0 | 6.9 |
1986-1987 | 4.0 | 3.4 | 40.0 | 35.3 | 5.5 | 5.4 |
1988-1989 | 3.0 | 2.5 | 25.0 | 21.8 | 5.5 | 5.4 |
1990-1993 | 3.0 | 2.5 | 25.0 | 21.8 | 5.0 | 4.9 |
1994+ | 2.4 | 2.0 | 25.0 | 21.8 | 4.0 | 3.9 |
Ariz. Admin. Code tit. 18, ch. 2, art. 10, tbl. 3