News Item

January 07, 2021

ACGIH® Board Ratifies 2021 TLVs® and BEIs®

ACGIH’s Board of Directors has ratified the 2021 Threshold Limit Values (TLVs) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs). 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.

Click here to view press release.