Scabbards and similar devices for the temporary retention of knives, steels, triers and the like by workers and others at official establishments shall be constructed of rust-resisting metal or other impervious material, shall be of a type that may be readily cleaned, and shall be kept clean.
7 Pa. Code § 1.59
This section cited in 7 Pa. Code § 1.2 (relating to application of inspection requirements); 7 Pa. Code § 1.11 (relating to general); and 7 Pa. Code § 1.195 (relating to marks for postmortem inspections; inspection of unacceptable equipment and facilities).