Ventilation is addressed in specific OSHA standards for general industry, maritime, and construction. This section highlights OSHA standards and documents related to ventilation.
Maritime (29 CFR 1915, 1917, 1918)
1915.51, Ventilation and protection in welding, cutting and heating.
1918.94, Ventilation and atmospheric conditions (See also §1918.2, definitions of Hazardous cargo, materials, substance or atmosphere and Ro-Ro operations).
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.
Additional Letters of Interpretation
Note: 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.
- Tunnel/Underground construction requirements: use of flexible bag lines for ventilation; location of main ventilation fan; and reversible ventilation (February 25, 2003).
- Reiteration of Existing OSHA Policy on Indoor Air Quality: Office Temperature/Humidity and Environmental Tobacco Smoke (February 24, 2003).
- Vapor areas must be limited; concentrations must remain below 25% of the substances' lower flammable limit (September 10, 2002).
- Record retention requirements for indoor air quality documents and reports (August 01, 2002).
- Hierarchy of controls for exposure to air contaminants (June 24, 2002).
- Air monitoring results, citations, and employee exposure records (March 27, 2002).
- Clarification of minimum face velocity requirements for spray booths (October 22, 2001).
- Fall protection requirements for both residential and commercial HVAC systems; clarification of confined spaces (September 13, 2001).
- Compliance with NFPA 30-2000 ventilation requirements is considered a deminimus violation (August 27, 2001).