The U.S. Occupational Safety and Health Administration (OSHA) issued a final rule on May 20, 2024, that amends the Hazard Communication Standard (HCS) to conform to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), primarily Revision 7 (Rev 7), address issues that arose during the implementation of the 2012 update to the HCS, and provide better alignment with other U.S. agencies and international trading partners while enhancing the effectiveness of the standard....