2021 Guide to Occupational Exposure Values

This companion document to the ACGIH^® TLVs^® and BEIs^® book serves as a readily accessible reference for comparison of the most recently published values: 2021 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.