As used in this part, the term:

(a) Act means the Federal Water Pollution Control Act, as amended, 33 U.S.C. 1251 et seq., Public Law 92-500, 86 Stat. 816.

(b) Administrator means the Administrator of the Environmental Protection Agency, or any employee of the Agency to whom the Administrator may by order delegate his authority to carry out his functions under section 307(a) of the Act, or any person who shall by operation of law be authorized to carry out such functions.

(c) Agency means the Environmental Protection Agency.

(d) Hearing Clerk means the Hearing Clerk, U.S. Environmental Protection Agency, 401 M Street SW., Washington, DC 20460.

(e) Party means the Environmental Protection Agency as the proponent of an effluent standard or standards, and any person who files an objection pursuant to § 104.3 hereof.

(f) Person means an individual, corporation, partnership, association, state, municipality or other political subdivision of a state, or any interstate body.

(g) Effluent standard means any effluent standard or limitation, which may include a prohibition of any discharge, established or proposed to be established for any toxic pollutant under section 307(a) of the Act.

(h) Presiding Officer means the Chief Administrative Law Judge of the Agency or a person designated by the Chief Administrative Law Judge or by the Administrator to preside at a hearing under this part, in accordance with § 104.6 hereof.