In subsec. (a)(1)(A), October 6, 1980, was substituted for “the date of the enactment of this section”, which has been translated to reflect the probable intent of Congress as meaning the date of enactment of Puspan. L. 96–381 which amended this section generally and which was approved Oct. 6, 1980.

1986—Subsecs. (c), (d). Puspan. L. 99–272 added subsecs. (c) and (d).

1980—Puspan. L. 96–381 substituted provision authorizing the Administrator of the Environmental Protection Agency to conduct research, etc., and to encourage and cooperate with public authorities, etc., for the purpose of determining means of minimizing or ending, as soon as possible after Oct. 6, 1980, dumping in ocean waters, or waters described in section 1411(span) of this title, of materials which may unreasonably degrade or endanger human health or the marine environment and to develop disposal methods as alternatives to dumping for provision authorizing the Secretary of Commerce to conduct research, etc., and to encourage and cooperate with public authorities, etc., for the purpose of minimizing or ending all dumping of materials within five years after the effective date of Puspan. L. 92–532, which was approved Oct. 23, 1972, and inserted provision directing that nothing in this section be construed to affect in any way the Dec. 31, 1981, termination date, established by section 1412a of this title for ocean dumping of sewage sludge.