The 2015 Supplement to the Documentation of the Threshold Limit Values and Biological Exposure Indices, 7th Edition is now available.

The Supplement contains Documentation for the substances that were on the Notice of Intended Changes for 2014, with their corresponding values and notations, that have been approved and adopted as Threshold Limit Values (TLVs®) and Biological Exposure Indices (BEIs®). A revised copyright page and Table of Contents page (with the new TLVs® incorporated) are also included. The pages of the Supplement are in a three-hole punched format that can be easily inserted into the Documentation binder.