(a) An employer shall post and maintain adequate notice, at locations where notices are normally posted, informing employees of their rights under this chapter. If the department does not prepare the notice under Section 502.008, the employer shall prepare the notice.
(b) Employees who may be exposed to hazardous chemicals shall be informed of the exposure and shall have access to the workplace chemical list and MSDSs for the hazardous chemicals. Employees, on request, shall be provided a copy of a specific MSDS with any trade secret information deleted. In addition, employees shall receive training concerning the hazards of the chemicals and measures they can take to protect themselves from those hazards. Employees shall be provided with appropriate personal protective equipment. These rights are guaranteed.

(c) An employer may not discharge, cause to be discharged, otherwise discipline, or in any manner discriminate against an employee because the employee has:
(1) filed a complaint;
(2) assisted an inspector of the department who may make or is making an inspection under Section 502.011;
(3) instituted or caused to be instituted any proceeding under or related to this chapter;
(4) testified or is about to testify in a proceeding under this chapter; or
(5) exercised any rights afforded under this chapter on behalf of the employee or on behalf of others.
(d) Pay, position, seniority, or other benefits may not be lost as the result of the exercise of any right provided by this chapter.
(e) A waiver by an employee of the benefits or requirements of this chapter is void. An employer’s request or requirement that an employee waive any rights under this chapter as a condition of employment is a violation of this chapter.