Pursuant to 5 U.S.C. 552(b)(2) , the following records are exempt from disclosure under FOIA: Records relating solely to internal personnel rules and practices, including memoranda pertaining to personnel matters such as staffing policies, and procedures for the hiring, training, promotion, demotion, or discharge of employees, and management plans, records, or proposals relating to labor-management relations.
49 C.F.R. §801.52