(a) Workplace postings.--Every employer shall prominently post in every workplace, in a location or locations where notices to employees are normally posted: (1) Lists of all hazardous substances and special hazardous substances found in that workplace and all environmental hazards emitted or discharged therefrom. In addition, upon request, an employer shall furnish to an employee, a list of the hazardous substances used or produced in that employee's work area. A new or newly assigned employee shall be offered a list when assigned to a work area. Such lists shall be updated as necessary but at least annually.(2) Notification to employees and their representatives of their rights under this act.(3) All other notices required by the department to be posted.(b) Outdoor and temporary worksites.--In the case of outdoor or temporary worksites which are not contiguous to a building regularly used by the employer as a workplace, all postings of notices, Material Safety Data Sheets and other materials shall be in a location where employees, during a course of a normal day of work, have access which does not depend on the permission or intervention of management or any supervisor.1984, Oct. 5, P.L. 734, No. 159, § 7, effective in 1 year.