Governing Law and Regulations
South Carolina Department of Health and Environmental Control (DHEC) Office of Environmental Quality Control Bureau of Air Quality
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. South Carolina requires new and modified sources of air pollution to apply for and obtain a construction permit before the modification of an existing source or installation of a new emissions source begins. New major sources or modifications to existing major sources must comply with the applicable provisions of nonattainment New Source Review (NSR) and/or Prevention of Significant Deterioration (PSD), depending on the attainment status of the area in which the source is located and the type and quantity of air pollutants emitted.
South Carolina is currently in attainment with all the National Ambient Air Quality Standards (NAAQS) for the various criteria pollutants, except the 8-hour ozone standard. Therefore, both the provisions of nonattainment NSR and PSD are applicable in the state. The state administers state implementation plan (SIP)-approved nonattainment NSR and PSD programs. Therefore, the provisions of federal nonattainment NSR, PSD, and any amendments are not effective in South Carolina until a SIP revision incorporating provisions at least as stringent as the federal requirements is submitted by the ...