13 Carcinogens (4-Nitrobiphenyl, etc.)

This proposed rule revises some substance-specific respirator requirements to allow different types of respirators to be used under OSHA's 13 Carcinogens standard and better aligns this standard with OSHA's respiratory protection standard.

From Federal Register — DOL wage and overtime rules (federalregister.gov). First seen Oct 10, 2026.

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