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2023 TLVs and BEIs Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents Spiral-bound – January 1, 2023

Publisher: American Conference of Governmental Industrial Hygienists (January 1, 2023)
Number of pages: 310
File format: pdf
File size: 4.16 MB


The information in this user-friendly, pocket-sized publication is used worldwide as a guide for evaluation and control of workplace exposures to chemical substances and physical agents. Threshold Limit Value (TLV) occupational exposure guidelines are recommended for more than 700 chemical substances and physical agents. There are more than 50 Biological Exposure Indices (BEIs) that cover more than 80 chemical substances. Chemical Abstract Service (CAS) registry numbers are listed for each chemical. Introductions to each section and appendices provide philosophical bases and practical recommendations for using TLVs and BEIs). NEW FOR 2023! TLV-CS Endotoxins NIC is proposed Glyphosate is adopted with an A4 carcinogen designation Tertiary Butyl Hydroperoxide NIC is proposed with an A2 carcinogen designation BEI Xylenes BEI lowers the existing BEI PAC Proposed revisions to the Infrasound and Low-Frequency Sound TLV update the TLVs table and the cited literature