N.C. Gen. Stat. § 143-215.9: Restrictions on authority of the Commission.

Nothing in this Article shall be construed to:

(1) Grant to the Commission any jurisdiction or authority with respect to air contamination existing solely within commercial and industrial plants, works or shops;

(2) Affect the relations between employers and employees with respect or arising out of conditions of air contamination or air pollution;

(3) Supersede or limit the applicability of any law, rules and regulations or ordinances relating to industrial health or safety. (1967, c. 892, s. 1; 1973, c. 1262, s. 23; 1987, c. 827, s. 154.)