Maximum Allowable Increase (Micrograms per cubic meter)
Terrain areas | ||
Period of exposure | Below 900 ft | At or above 900 ft |
24-hr maximum | 36 | 62 |
3-hr maximum | 130 | 221 |
N.Y. Comp. Codes R. & Regs. Tit. 6 §§ 231-13.8
Maximum Allowable Increase (Micrograms per cubic meter)
Terrain areas | ||
Period of exposure | Below 900 ft | At or above 900 ft |
24-hr maximum | 36 | 62 |
3-hr maximum | 130 | 221 |
N.Y. Comp. Codes R. & Regs. Tit. 6 §§ 231-13.8