Proposed rule · 2026-14839

1, 3-Butadiene

OSHA is providing an additional comment period to allow interested persons to comment on OSHA's proposal to revise the 1,3- Butadiene standard. Following consideration of the rulemaking by OSHA's Advisory Committee on Construction Safety and Health (ACCSH), OSHA is reopening the record for this rulemaking to provide an additional 30 days for public comment.