29 C.F.R. § 1918.103 Head protection.
Title 29 - Labor
(a) The employer shall ensure that each affected employee wears a protective helmet when working in areas where there is a potential for injury to the head from falling objects. (b) Such equipment shall comply with American National Standards Institute, ANSI Z–89.1–1986, “Personnel Protection-Protective Headwear for Industrial Workers-Requirements.” (c) Previously worn protective hats shall be cleaned and disinfected before issuance by the employer to another employee.
Title 29: Labor
PART 1918—SAFETY AND HEALTH REGULATIONS FOR LONGSHORING
Subpart J—Personal Protective Equipment
§ 1918.103 Head protection.