State Emission Standards - Gas: OHIO
NOTE:
The Ohio program incorporates original U.S. EPA recommended start-up ASM2525 standards for all model year vehicles. Refer to appropriate model year range in appropriate table. See U. S. EPA ASM2525 & ASM5015 START-UP EMISSION STANDARDS .
OHIO EMISSION STANDARDS - 2-SPEED IDLE TEST
| Application | HC ppm (CO %) |
|---|---|
| 1978 | 350 (4.0) |
| 1979 | 275 (3.0) |
| 1980 | 230 (2.0) |
| 1981 & Newer | 220 (1.2) |