13 Carcinogens (4-Nitrobiphenyl, etc.)

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Labor Occupational Safety and Health Administration 29 CFR Parts 1910, 1915, 1917, 1918, 1926 [Docket No. OSHA-2025-0013] RIN 1218-AD56 AGENCY: Occupational Safety and Health Administration (OSHA), Labor. ACTION: Proposed rule; request for comments. SUMMARY: 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. DATES: Comments and other information, including requests for a hearing, must be received on or before September 2, 2025. Informal public hearing: OSHA will schedule an informal public hearing on the rule if requested during the comment period. If a hearing is requested, the location and date of the hearing, procedures for interested parties to notify the agency of their intention to participate, and procedures for participants to submit their testimony and documentary evidence will be announced in the Federal Register . ADDRESSES: Written comments: You may submit comments and attachments, identified by Docket No. OSHA-2025-0013, electronically at https://www.regulations.gov , which is the Federal e-Rulemaking Portal. Follow the instructions online for making electronic submissions. Instructions: All submissions must include the agency's name and the docket number for this rulemaking (Docket No. OSHA-2025-0013). When uploading multiple attachments to regulations.gov , plea…