(a) If a formal safety investigation results in a finding that an event or practice has adversely affected, or may adversely affect, public health and safety, the Board may take any appropriate action authorized to it under its enabling statute, including, but not limited to, making a formal recommendation to the Secretary of Energy, convening a hearing, or establishing a reporting requirement.

(b) If a safety investigation yields information relating to violations of federal criminal law involving government officers and employees, the Board shall expeditiously refer the matter to the Department of Justice for disposition.

(c) If in the course of a safety investigation, a safety issue or concern is found to be outside the Board's jurisdiction, that safety issue or concern shall be referred to the appropriate entity with jurisdiction for disposition.

(d) Statements made in connection with testimony provided to the Board in an investigation are subject to the provisions of 18 U.S.C. 1001.