N.Y. Comp. Codes R. & Regs. Tit. 6 §§ 231-12.6

Current through Register Vol. 46, No. 45, November 2, 2024

Section 231-12.6 - Significant impact levels in nonattainment areas

For the purposes of Subparts 231-5 and 231-6 of this Part, a new or modified facility will be considered to cause or contribute to a violation of a national ambient air quality standard when such new or modified facility would, at a minimum, exceed the following significant impact levels (SILs) at any locality that does not or would not meet the applicable national standard:

Regulated NSR Contaminant	Annual Average	Short Term Averaging Times (hours)
Regulated NSR Contaminant	Annual Average	24	8	3	1
SO₂	1.0 µ/m3	5 µ/m3		25 µ/m3	7.8 µ/m3
PM-10	1.0 µ/m3	5 µ/m3
PM-2.5	0.3 µ/m3	1.2 µ/m3
NO_x^*	1.0 µ/m3				7.5 µ/m3
CO			500 µ/m3		2000 µ/m3

^* For the purposes of this table, NO₂ shall be the subset of NO_x that is modeled

N.Y. Comp. Codes R. & Regs. Tit. 6 §§ 231-12.6

Amended New York State Register February 10, 2021/Volume XLIII, Issue 06, eff. 2/25/2021