Mass. Gen. Laws ch. 21I § 23
No employer or duly authorized agent of an employer shall discharge, refuse to hire or in any other manner discriminate against an employee because the employee has exercised a right afforded by this chapter. Any employee of a toxics user claiming to be aggrieved by a violation of this section may initiate proceedings in the superior court department of the trial court for the county in which the alleged violation occurred. An employer found to have violated this paragraph shall be exclusively liable to pay the employee lost wages, shall grant to the employee suitable employment, and shall reimburse such reasonable attorney fees incurred in the protection of rights granted as shall be determined by the court. The court may grant whatever relief it deems necessary to protect rights granted by this section. An employee may not waive rights granted by this section.
Mass. Gen. Laws ch. 21I, § 23