scope:

This companion document to the ACGIH TLVs and BEIs book serves as a readily accessible reference for comparison of the most recently published values: 2022 Chemical Substance TLVs from ACGIH; AIHA/OARS Workplace Environmental Exposure Limits (WEELs); the OSHA Final Rule PELs; RELs from NIOSH; MAKs from the German Commission for the Investigation of Health Hazards of Chemical Compounds in the Workplace; and carcinogenicity designations from ACGIH, OSHA, NIOSH, MAK, IARC, U.S. NTP, and U.S. EPA. The book includes a CAS number index.