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Under the OSH Act, employers have the responsibility to provide a safe and healthy workplace and must take steps to address occupational safety and health hazards.
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. This 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. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.
January 20, 2026
Kenneth M. Brown
Consolidated Nuclear Security, LLC
301 Bear Creek Rd.
P.O. Box 2009
Oak Ridge, TN 37831-8014
Dear Mr. Brown:
This section highlights various OSHA standards, regulations, and documents related to protecting workers from mosquito bites and mosquito-borne diseases that are considered work-related.
The General Duty Clause of the OSH Act requires employers to provide their workers with a safe workplace free from recognized hazards that are causing or are likely to cause death or serious physical harm.
Insect repellents can be very effective in preventing bites when applied thoroughly and according to manufacturer’s instructions. Types of insect repellent suitable for application on skin include:
