This includes informing them about any personal protective measure that need to be taken, and the company's labeling system. A description of how the MSDS will be made available to employees and visitors. The company's container labeling policy and procedures. See 29 CFR 1910.1200 for additional requirements. The hazard warnings can be indicated by words, pictures, symbols or a combination thereof.
Exceptions also apply to solid materials which contain hazardous materials.
The labeling policy and training are a requirement of the Hazard Communication Program. The MSDS information must be readily accessible to all employees during their work hours when they are in their work area. Copies of MSDS must be maintained on site for 30 years or as long as the company is in business. Copies of obsolete MSDS from products that are no longer used or where the MSDS has been revised must also be retained. The MSDS are a requirement of the Hazard Communication Program.