N.D. Admin. Code tit. 33.1, art. 33.1-15, ch. 33.1-15-02, tbl. 2

Current through Supplement No. 394, October, 2024
Table 2 - NATIONAL AMBIENT AIR QUALITY STANDARDS

Air Contaminant Standards (Maximum Permissible Concentrations)
Sulfur oxides (sulfur dioxide) 0.030 parts per million (80 micrograms per cubic meter of air) maximum annual arithmetic mean concentration, not to be exceeded in a calendar year.
0.14 parts per million (365 micrograms per cubic meter of air) maximum 24-hour concentration, not to be exceeded more than once per calendar year.

The standards in Table 2 will remain in effect until one year after the effective date of the designation for the one-hour sulfur dioxide standard pursuant to Section 107 of the Federal Clean Air Act except for areas designated nonattainment with respect to the standards in Table 2 and areas not meeting the requirements of a state implementation call with respect to requirements for the national ambient air quality standards in Table 2. The standards in Table 2 will apply to those areas until that area submits, and the environmental protection agency approves, an implementation plan providing for attainment of the one-hour sulfur dioxide standard.

N.D. Admin Code tit. 33.1, art. 33.1-15, ch. 33.1-15-02, tbl. 2

Adopted by Administrative Rules Supplement 370, October 2018, effective 1/1/2019.