The ACGIH® Board of Directors ratified the 2014 Threshold Limit Values (TLVs®) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs®) on December 13 and 19, 2013 and on January 27, 2014. 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...
