“hearings before the Subcommittee on Oceanography and the Subcommittee on Fisheries and Wildlife Conservation and the Environment of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-seventh Congress, first session on Title I, Marine Protection, Research, and Sanctuaries Act, May 1, 1981, ocean dumping and dumping deadline June 4, 1981, radioactive waste dumping, September 21, 198l, Boston, Mass., land based alternatives to ocean dumping, November 5, 1981.”