Occupational Safety and Health Administration OSHA


Isocyanates - Photo Credit: iStock-459190997 | Copyright: RTsubin
Isocyanates Menu


Isocyanates hazards are addressed in specific standards for general industry, shipyard employment, and construction. This section highlights OSHA standards and documents related to isocyanates.

OSHA Standards

General Industry (29 CFR 1910)
Related Information
Subpart H – Hazardous Materials 1910.119, Process safety management of highly hazardous chemicals
Subpart Z – Toxic and Hazardous Substances  
1910.1000, Air contaminants
1910.1450, Occupational exposure to hazardous chemicals in laboratories
Maritime (29 CFR 1915, 1917, 1918)
Related Information
1915 Subpart Z – Toxic and Hazardous Substances 1915.1000, Air contaminants
Construction (29 CFR 1926)
Related Information
Subpart D – Occupational Health and Environmental Controls 1926.55, Gases, vapors, fumes, dusts, and mists
1926.64, Process safety management of highly hazardous chemicals. For requirements as they pertain to construction work, follow the requirements in 29 CFR 1910.119.
Additional Letters of Interpretation

Note: The “Letters of interpretation” bullets above link to letters related to each OSHA standard. The letters in this list provide additional information that is not necessarily connected to a specific OSHA standard highlighted on this Safety and Health Topics page.

State Standards

There are 28 OSHA-approved State Plans, operating state-wide occupational safety and health programs. State Plans are required to have standards and enforcement programs that are at least as effective as OSHA's and may have different or more stringent requirements.

Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.