(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.42 FR 56057, Oct. 20, 1977