Letters of Interpretation

OSHA requirements are set by statute, standards, and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Each letter constitutes OSHA's interpretation of the requirements discussed.

Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information.

These letters of interpretation and the standards they address may not apply to OSHA State Plans. State Plans are required to have standards and enforcement programs that are at least as effective as OSHA's and may have different or additional requirements. Please see OSHA-approved State Plans for more information.

Filters


Date Title Standard Number
Hazard Communication Standard. 1910.1200(g)(6)
The dental industry's concerns regarding compliance with certain provisions of the Hazard Communication Standard (HCS). 1910.1200
Equivalent safe access. 1926.451
OSHA Asbestos standard. 1926.1101
Training certification requirements under the OSHA HAZWOPER. 1910.120
Information required on Material Safety Data Sheets (MSDSs). 1910.1200
Material Safety Data Sheets. 1910.1200, 1910.1200(g)(1), 1910.1200(g)(8)
Fall protection for the entertainment industry under the OSH Act of 1970. 1910 Subpart D, 1910.132, 1910.12
Cross-view back-up mirrors on delivery trucks 1910 - Table of Contents
Employee access rights to the OSHA Log 200.
Proper recording of an injury case involving a punctured eardrum.
Calculation methods used under the air contaminants standard for extended work shifts. 1910.1025, 1926.62
Fall Protection requirements in the Construction Standard. 1910 - Table of Contents, 1910.23, 1926 - Table of Contents
Training provisions of OSHA's HAZWOPER standard. 1910.38, 1910.120
Clarification of the OSHA standards applicable to H. VIR (inspection) Windows installed in electrical equipment enclosures. 1910.399
United Parcel Service's understanding of the requirements of Access to the OSHA Form 200.
Use of gasoline in underground construction. 1926.800(m)(5)
Employee's adverse reaction to a Hepatitis A vaccination.
Overlap between FDA and OSHA in the regualtion of dental devices. 1910.1200
Clarification of overhead and gantry cranes. 1910.179