Governing Law and Regulations
Construction permits: 11 Mississippi Administrative Code Part 2, Chapter 2 (Miss. Admin. Code Pt. 2, Ch. 2)
Nonattainment New Source Review (NSR): 11 Miss. Admin. Code Pt. 2, Ch. 2, Rule 2.5.E and 40 CFR 81.325
Prevention of Significant Deterioration (PSD): 40 CFR 52.21, 40 CFR 52.1270, 40 CFR 52.1280, and 11 Miss. Admin. Code Pt. 2, Ch. 5
Mississippi Department of Environmental Quality (DEQ) Office of Pollution Control Air Division
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Mississippi requires any new or modified source of air contaminants to secure an air quality permit to construct, unless specifically exempted. New major sources and major modifications must comply with the applicable provisions of Prevention of Significant Deterioration (PSD).
Mississippi is currently in attainment of all the National Ambient Air Quality Standards (NAAQS) for the various criteria pollutants. Therefore, new major sources and major modifications to existing sources are not subject to the requirements of nonattainment New Source Review (NSR) at this time. However, such sources and changes are subject to PSD requirements. The state administers state implementation plan (SIP)-approved nonattainment NSR and PSD programs. Mississippi's PSD regulations are adopted and incorporated by reference from the current federal PSD requirements. See the national section NEW SOURCE REVIEW for more information on the current nonattainment NSR and PSD.
Major sources must also comply with the Title V operating permit program. For additional information on major source operating ...