Nothing in this chapter shall be construed to apply to (or to authorize any State, interstate, or local authority to regulate) any activity or substance which is subject to the Federal Water Pollution Control Act [33 U.S.C. 1251 et seq.], the Safe Drinking Water Act [42 U.S.C. 300f et seq.], the Marine Protection, Research and Sanctuaries Act of 1972 [16 U.S.C. 1431 et seq., 1447 et seq., 33 U.S.C. 1401 et seq., 2801 et seq.], or the Atomic Energy Act of 1954 [42 U.S.C. 2011 et seq.] except to the extent that such application (or regulation) is not inconsistent with the requirements of such Acts.