January 31, 2018

ACGIH® Board Ratifies 2018 TLVs® and BEIs®

The ACGIH® Board of Directors ratified the 2018 Threshold Limit Values (TLVs®) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs®) on September 11, October 9, and December 8, 2017. 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.