ACGIH® Board Ratifies 2011 TLVs® and BEIs®

The ACGIH® Board of Directors ratified the 2011 Threshold Limit Values (TLVs®) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs®) on November 18 and December 6, 2010.

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.

•John P. Lapotaire, CIEC •Certified Indoor Environmental Consultant •Microshield Environmental Services, LLC •www.Microshield-ES.com

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