The ACGIH® Board of Directors
ratified the 2020 Threshold Limit Values (TLVs®
) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs®
) on December 12, 2019. The Board also approved recommendations for additions to the Notice of Intended Changes (NIC)
. For a listing of the substances that were acted upon, click here
. The complete Annual Reports are online at the ACGIH® Online Publications Store
to view press release.