Tier I - Very General - Offered by Human Resources at New Employee Orientation, regarding health and safety policies and procedures at Stanford.
Tier II - More Specific - Offered by Schools and Departments in conjunction with EH&S for training topics pertaining to a work area's activities.
Tier III - Most Specific - This is the responsibility of Supervisors, Managers, Faculty, and Principal Investigators, on specific hazards in the work unit or lab.