Occupational Safety and Health Administration OSHA

Diesel Exhaust

Diesel Exhaust - Photo Credit: iStock.com-91255282 | Copyright: JONATHANEASTLAND
Diesel Exhaust Menu


OSHA has not established a standard for diesel exhaust as a unique hazard, however exposures to various components of diesel exhaust are addressed in specific OSHA standards for General Industry and Shipyard Employment. This section highlights OSHA standards and documents related to diesel exhaust.

OSHA Standards
General Industry (29 CFR 1910)
Related Information
Subpart N – Materials Handling and Storage 1910.179, Powered industrial trucks
Subpart Z – Toxic and Hazardous Substances 1910.1000, Air contaminants
  • Topic page
  • Table Z-1, Limits for air contaminants
  • Table Z-2
  • Directives
  • Federal Register notices
  • Letters of interpretation
  • Settlement agreements
  • 1910.1200, Hazard communication
  • Topic page
  • Congressional Testimonies
  • Directives
  • Federal Register notices
  • Letters of interpretation
  • Memorandums of understanding
  • Settlement agreements
  • Maritime (29 CFR 1915)
    Related Information
    Subpart Z – Toxic and Hazardous Substances 1915.1000, Air contaminants
    Other Federal

    Note: These are NOT OSHA regulations. However, they do provide guidance from their originating organizations related to worker protection.

    Mine Safety and Health Administration (MSHA)

    Environmental Protection Agency (EPA)

    The EPA is responsible for developing regulations that set emission standards for diesel vehicles and engines, as well as for diesel fuel. Though these are not directly related to occupational exposure, lowering emissions does lower potential occupational exposure.

    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.

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