The 2019 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 2018, with their corresponding values and notations that have been approved and adopted as Threshold Limit Values (TLVs®) and Biological Exposure Indices (BEIs®).
Order yours today!
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ACGIH® announced the release of its two-tier Under Study list pursuant to changes previously made to its TLV®/BEI® Development Process. Click here.
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