The provision of information to an employee shall not in any way affect the liability of an employer with regard to the health and safety of an employee or other persons exposed to hazardous chemicals, nor shall it affect the employer's responsibility to take any action to prevent the occurrence of occupational disease as required under any other provision of law. The provision of information to an employee shall not affect any other duty or responsibility of a manufacturer, producer or formulator to warn ultimate users of a hazardous chemical under any other provision of law.