# Standard Interpretations
1 - 1926.100 - The use of hard hats while working on roofs in hot weather
2 - 1926.100(a) - Clarification on when hard hats can be worn with bill facing to the rear.
3 - 1926.100, 1926.100(a) - Clarification on when hard hats can be worn with bill facing to the rear.
4 - 1926.100 - 29 CFR 1926.31 and 1926.100; wearing caps or other apparel under a hard hat for cold weather protection.
5 - 1926.100(a) - Determining the need for hard hat and eye protection on construction sites.
6 - 1926.100, 1926.100(a) - Determining the need for hard hat and eye protection on construction sites.
7 - 1926.100(a) - Hard hats are not required where there is no exposure to head injuries.
8 - 1926.100, 1926.100(a) - Hard hats are not required where there is no exposure to head injuries.
9 - 1926.100(b) - Hard hat testing and certification requirements when the hard hat bill is worn to the rear.
10 - 1926.100(a) - Hard hat testing and certification requirements when the hard hat bill is worn to the rear.
11 - 1926.100(a), 1926.100(b), 1926.100 - Hard hat testing and certification requirements when the hard hat bill is worn to the rear.
12 - 1926.100(a) - Exemption from the requirement to wear hard hats for religious reasons.
13 - 1926.100, 1926.100(a) - Exemption from the requirement to wear hard hats for religious reasons.
14 - 1926.100 - Acceptability of western style hard hats.
15 - 1926.100 - Employees working on scaffolds and wearing of protective helmets.
16 - 1926.100 - The use of head protection at construction sites.
17 - 1926.100(a) - Use of protective helmets in construction
18 - 1926.100 - Clarification on standards for head protection.
19 - 1926.100 - Bump caps would not provide adequate employee head protection for all exposures in manholes.
20 - 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.
21 - 1926.100 - The wearing of hard hats.