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