Exposure Limits: What you need to know


Occupational Safety and Health Act (OSH Act), 29 USC 655, 657, and regulations at 29 CFR 1910.1000 to 1910.1052

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General duty clause (GDC): 29 USC 654

Action levels: 29 CFR 1910.1018 to 1910.1052

Air contaminants: 29 CFR 1910.1000, Tables Z-1, Z-2, and Z-3

Carcinogens (including asbestos): 29 CFR 1910.1001 to 1910.1052

Computing exposure levels (single substance and mixtures): 29 CFR 1910.1000(d)

Administrative and engineering controls: 29 CFR 1910.1000(e)

Personal protective equipment (PPE): 29 CFR 1910.1000(e)

Hazardous chemicals in laboratories: 29 CFR 1910.1450

Hazard Communication Standard (HazCom): 29 CFR 1910.1200

Regulatory Agencies

U.S. Department of Labor Occupational Safety and Health Administration (OSHA)

U.S Department of Health and Human Services Centers for Disease Control and Prevention National Institute for Occupational Safety and Health (NIOSH)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

This section covers the OSHA general industry standards for permissible exposure limits (PELs) to airborne hazardous substances, including excessive noise, that determine how long a worker may be exposed in the workplace to a threshold amount of a substance or noise without adverse effects on health. The standards are predominantly concerned with inhalation and skin absorption hazards. Specifically, the section covers PELs for general air contaminants and PELs and action levels for carcinogens, and it briefly discusses hazardous chemicals in laboratories.

Employers must use the mathematical formulas promulgated in the regulations to compute exposure to a single substance and to mixtures of substances. OSHA recommends that employers consider using the alternative occupational exposure limits because the ...

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More on this topic:

PEL Standards
Measuring Workplace Exposure
Achieving PEL Compliance
Additional Guidance
PEL Compliance Checklist

Exposure Limits Resources

Exposure Limits Products

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