- Safety and Health Topics
This section highlights OSHA standards and letters of interpretations (official letters of interpretation of the standards) related to ventilation.
General Industry (29 CFR 1910)
Shipyard Employment (29 CFR 1915)
- 1915 Subpart D, Welding, cutting and heating
- 1915.51, Ventilation and protection in welding, cutting and heating
Longshoring (29 CFR 1918)
- 1918 Subpart I, General working conditions
- 1918.94, Ventilation and atmospheric conditions (See also 1918.2, definitions of Hazardous cargo, materials, substance or atmosphere and Ro-Ro operations)
Construction Industry (29 CFR 1926)
Letters of Interpretation
- 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 1, 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).