N.Y. Comp. Codes R. & Regs. tit. 6, § 231-2.11
| Significant Impacts For Nonattainment Areas | ||
|---|---|---|
| Significant air quality impact | ||
| Nonattainment contaminant | PPM | Weight/volume1 |
| PM-10 | ||
| calendar year | – | 1.0 μg/m3 |
| 24-hour | – | 5.0 μg/m3 |
| CO | ||
| 8-hour | 0.45 | 0.5 mg/m3 |
| 1-hour | 1.8 | 2.0 mg/m3 |
____ 1 Weight/volume values are referenced to 25°C and 760 mm of mercury.