(a) Under the Federal Water Pollution Control Act, a State, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Trust Territory of the Pacific Islands.

(b) Under the Resource Conservation and Recovery Act, a State, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands.

(c) In all other cases, a State, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam and American Samoa.