(b) (1) “Employee” means an employee (as defined in § 5-101 of this title) or former employee when the individual may be exposed under normal operating conditions or foreseeable emergencies.

(2) “Employee” includes:

(i) a line supervisor;

(ii) a maintenance worker;

(iii) a member or former member of a volunteer fire, ambulance, or rescue company;

(iv) operating personnel; and

(v) a production worker.

(c) (1) “Employer” means an employer (as defined in § 5-101 of this title) and includes a volunteer fire, ambulance, or rescue company.

(2) “Employer” does not include a farmer who:

(i) uses a hazardous chemical in farming; and

(ii) complies with the applicable requirements of the Federal Insecticide, Fungicide, and Rodenticide Act.