1. Chemical Inventory: This involves maintaining a comprehensive list of all chemicals used in the laboratory or industrial process. 2. Safety Data Sheets (SDS): Detailed documents that provide information on the properties of each chemical, including potential hazards, safe handling practices, and emergency control measures. 3. Labeling: Proper labeling of chemical containers is mandatory. Labels must include the chemical identity, hazard warnings, and the manufacturer's information. 4. Training: Employees must be trained to understand the hazards of chemicals they work with and how to protect themselves. 5. Written Hazard Communication Program: A formal document outlining how the organization will comply with HCS requirements.