15A N.C. Admin. Code 2D.0403

Current through Register Vol. 39, No. 12, December 1, 2024

Section 02D .0403 - TOTAL SUSPENDED PARTICULATES

(a) The ambient air quality standards for total suspended particulate matter are:

(1) 75 micrograms per cubic meter annual geometric mean; and

(2) 150 micrograms per cubic meter maximum 24-hour concentration not to be exceeded more than once per year.

(b) Sampling and analysis shall be in accordance with procedures in 40 CFR Part 50, Appendix B or equivalent methods established pursuant to 40 CFR Part 53.

15A N.C. Admin. Code 02D .0403

Authority G.S. 143-215.3(a)(1); 143-215.107(a)(3);
Eff. February 1, 1976;
Amended Eff. July 1, 1988; July 1, 1984; October 15, 1981;
Readopted Eff. November 1, 2020.

Authority G.S. 143-215.3(a)(1); 143-215.107(a)(3);
Eff. 2/1/1976;
Amended Eff. 7/1/1988; July 1, 1984; October 15, 1981.

Readopted by North Carolina Register Volume 35, Issue 11, December 1, 2020 effective 11/1/2020.