((a)) ** Authorities** In carrying out this chapter, the Administrator is authorized to—

((1)) prescribe, in consultation with Federal, State, and regional authorities, such regulations as are necessary to carry out his functions under this chapter;

((2)) consult with or exchange information with other Federal agencies undertaking research, development, demonstration projects, studies, or investigations relating to solid waste;

((3)) provide technical and financial assistance to States or regional agencies in the development and implementation of solid waste plans and hazardous waste management programs;

((4)) consult with representatives of science, industry, agriculture, labor, environmental protection and consumer organizations, and other groups, as he deems advisable;

((5)) utilize the information, facilities, personnel and other resources of Federal agencies, including the National Institute of Standards and Technology and the National Bureau of the Census, on a reimbursable basis, to perform research and analyses and conduct studies and investigations related to resource recovery and conservation and to otherwise carry out the Administrator’s functions under this chapter; and

((6)) to delegate to the Secretary of Transportation the performance of any inspection or enforcement function under this chapter relating to the transportation of hazardous waste where such delegation would avoid unnecessary duplication of activity and would carry out the objectives of this chapter and of chapter 51 of title 49.

((b)) ** Revision of regulations** Each regulation promulgated under this chapter shall be reviewed and, where necessary, revised not less frequently than every three years.

((c)) ** Criminal investigations** In carrying out the provisions of this chapter, the Administrator, and duly-designated agents and employees of the Environmental Protection Agency, are authorized to initiate and conduct investigations under the criminal provisions of this chapter, and to refer the results of these investigations to the Attorney General for prosecution in appropriate cases.