OSHA has signaled it may hone in on a small number of chemicals as part of its reinvigorated effort to update decades-old permissible exposure limits (PELs), asking stakeholders to nominate those substances they think warrant the highest levels of priority. OSHA recently created a Web forum for interested parties to submit suggestions for PEL updates, setting up an informal version of the comment process that accompanies a rulemaking. Agency chief David Michaels has made updating PELs at the federal level a top priority under his OSHA administration; at the same time Cal/OSHA has taken a lead
December 30, 2025