As used in this part, the term:

(a) Act means the Federal Water Pollution Control Act, as amended;

(b) Effluent limitation means any effluent limitation which is established as a condition of a permit issued or proposed to be issued by a State or by the Environmental Protection Agency pursuant to section 402 of the Act; any toxic or pretreatment effluent standard established under section 307 of the Act; any standard of performance established under section 306 of the Act; and any effluent limitation established under section 302, section 316, or section 318 of the Act.

(c) Order means any order issued by the Administrator under section 309 of the Act; any order issued by a State to secure compliance with a permit, or condition thereof, issued under a program approved pursuant to section 402 of the Act; or any order issued by a court in an action brought pursuant to section 309 or section 505 of the Act.

(d) Party means an employee filing a request under §108.3, any employee similarly situated, the employer of any such employee, and the Regional Administrator or his designee.

(e) Administrator or Regional Administrator means the Administrator or a Regional Administrator of the Environmental Protection Agency.