“Regulated toxic air pollutant” means “regulated toxic air pollutant” as defined in RSA 125-I:2, XIV, reprinted in Appendix C. The term includes any of the following:

1. (a) Any substance or compound that is listed as a hazardous air pollutant pursuant to section 112(b) of the Clean Air Act, 42 U.S.C. 7412, as amended;
2. (b) Any substance or compound for which there is a threshold limit value established by the American Conference of Governmental Industrial Hygienists; and
3. (c) Any substance or compound that has been added to the list of regulated toxic air pollutants pursuant to RSA 125-I:4,V and Env-A 1400.

Source. #6328, INTERIM, eff 8-24-96, EXPIRED: 12-22-96 New. #6468-A, eff 3-5-97; renumbered by #8256 (from Env-A 101.227), (see Revision Note #1 at chapter heading); renumbered by #8304 (see Revision Note #2 at chapter heading); renumbered by #9839 (from Env-A 101.159), (see Revision Note #3 at chapter heading); ss by #13105, eff 9-25-20 (formerly Env-A 101.161) (see Revision Note #4 at chapter heading for Env-A 100)