Rule lifecycle · DOCKET:OSHA-2012-0027

The 1,3-Butadiene Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements

Department of Labor, Occupational Safety and Health Administration — observed across 2 documents over 989 days. Use the source documents below before deciding whether this affects your business.

In plain English

OSHA extends the requirement for companies that work with 1,3-butadiene to keep and report records on worker exposure and health monitoring. If your business uses this chemical in manufacturing or production, you must maintain detailed safety records and be ready to show them during OSHA inspections.

First seen

Apr 3, 2023

Last seen

Dec 17, 2025

Latest stage

Notice

PRORULE → RULE

Stage timeline

  1. Notice·Apr 3, 2023

    The 1,3-Butadiene Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements

    #2023-06812

  2. Notice·Dec 17, 2025

    The 1,3-Butadiene Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements

    #2025-23045