40 C.F.R. § 1611.2
CSB incident report means the report containing the CSB's determinations, including the probable cause of an incident, issued either as a narrative report or in a computer format. Pursuant to 42 U.S.C. 7412(r)(6)(G) , no part of the conclusions, findings or recommendations of the CSB relating to an accidental release or the investigation thereof, may be admitted as evidence or used in any suit or action for damages growing out of any matter mentioned in such report.
Employee, for the purpose of this part and part 1612 of this chapter, refers to current or former CSB Board Members or employees, including student interns, and contractors, contract employees, or consultants (and their employees). This definition does not include persons who are no longer employed by or under contract to the CSB, and who are retained or hired as expert witnesses or agree to testify about matters that do not involve their work for the CSB.
40 C.F.R. §1611.2