# 20.2 Definitions.
As used in this part, the following terms shall have the meaning indicated below:
(a) *Act* means, when used in connection with water pollution control facilities, the Federal Water Pollution Control Act, as amended (33 U.S.C. 1251 *et seq.*) or, when used in connection with air pollution control facilities, the Clean Air Act, as amended (42 U.S.C. 1857 *et seq.*).
(b) *State certifying authority* means:
(1) For water pollution control facilities, the State pollution control agency as defined in section 502 of the Act.
(2) For air pollution control facilities, the air pollution control agency designated pursuant to section 302(b)(1) of the Act; or
(3) For both air and water pollution control facilities, any interstate agency authorized to act in place of the certifying agency of a State.
(c) *Applicant* means any person who files an application with the Administrator for certification that a facility is in compliance with the applicable regulations of Federal agencies and in furtherance of the general policies of the United States for cooperation with the States in the prevention and abatement of water or air pollution under the Act.
(d) *Administrator* means the Administrator, Environmental Protection Agency.
(e) *Regional Administrator* means the Regional designee appointed by the Administrator to certify facilities under this part.
(f) *Facility* means property comprising any new identifiable treatment facility which removes, alters, disposes of, stores, or prevents the creation of pollutants, contaminants, wastes, or heat.
(g) *State* means the States, the District of Columbia, the Commonwealth of Puerto Rico, the Canal Zone, Guam, American Samoa, the Virgin Islands, and the Trust Territory of the Pacific Islands.
[36 FR 22382, Nov. 25, 1971, as amended at 43 FR 1340, Jan. 9, 1978]