#	Federal Register
1	12/12/2024 - 1926.100 - 89:100321-100346 - Personal Protective Equipment in Construction - PDF
2	02/16/2022 - 1926.100 - 87:8755-8764 - Powered Industrial Trucks Design Standard Update - PDF
3	07/23/2012 - 1926.100 - 77:42988-42989 - Updating OSHA Construction Standards Based on National Consensus Standards; Head Protection; Correction of Direct Final Rule - PDF
4	07/23/2012 - 1926.100 - 77:43018 - Updating OSHA Construction Standards Based on National Consensus Standards; Head Protection; Correction of Notice of Proposed Rulemaking - PDF
5	11/29/2011 - 1926.100 - 76:73687-73689 - Advisory Committee on Construction Safety and Health (ACCSH) - PDF
6	05/04/1972 - 1926.100 - 37:9024 - Head Protection

#	Standard Interpretations
1	08/01/2014 - 1926.100 - The use of hard hats while working on roofs in hot weather
2	05/09/2011 - 1926.100, 1926.100(a) - Clarification on when hard hats can be worn with bill facing to the rear.
3	04/17/2006 - 1926.100 - 29 CFR 1926.31 and 1926.100; wearing caps or other apparel under a hard hat for cold weather protection.
4	11/17/2004 - 1926.100, 1926.100(a) - Determining the need for hard hat and eye protection on construction sites.
5	02/20/2004 - 1926.100, 1926.100(a) - Hard hats are not required where there is no exposure to head injuries.
6	04/17/2002 - 1926.100(a), 1926.100(b), 1926.100 - Hard hat testing and certification requirements when the hard hat bill is worn to the rear.
7	05/16/2001 - 1926.100, 1926.100(a) - Exemption from the requirement to wear hard hats for religious reasons.
8	12/31/1998 - 1926.100 - Acceptability of western style hard hats.
9	11/10/1993 - 1926.100 - Employees working on scaffolds and wearing of protective helmets.
10	07/22/1992 - 1926.100 - The use of head protection at construction sites.
11	08/23/1983 - 1926.100 - Clarification on standards for head protection.
12	01/21/1980 - 1926.100 - Bump caps would not provide adequate employee head protection for all exposures in manholes.
13	12/17/1979 - 1926.100 - A class C helmet is acceptable on construction projects for protection against impact and penetration of falling and flying objects but not for electrical hazards.
14	08/22/1977 - 1926.100 - The wearing of hard hats.

#	Regulations
1	03/14/2001 - 1926.100 - Head protection.