CFR 1910 Requirement for Employee Training

Employers shall provide employees with 

• effective information and training on hazardous chemicals in their work area at the time of their initial assignment, 
• and whenever a new chemical hazard the employees have not previously been trained about is introduced into their work area.
•  Information and training may be designed to cover categories of hazards (e.g., flammability, carcinogenicity) or specific chemicals. 
• Chemical-specific information must always be available through labels and safety data sheets.

-CFR 1910 Source @ OSHA