Section 101.581 - Notice requirements(1) EMPLOYER. An employer who uses, studies or produces a toxic substance, infectious agent or pesticide shall post in every workplace at the location where notices to employees are usually posted a sign which informs employees that the employer is required, upon request, to provide an employee or employee representative with all of the following:(a) The identity of any toxic substance or infectious agent which an employee works with or is likely to be exposed to.(b) A description of any hazardous effect of the toxic substance or infectious agent.(c) Information regarding precautions to be taken when handling the toxic substance or infectious agent.(d) Information regarding procedures for emergency treatment in the event of overexposure to the toxic substance or infectious agent.(e) Access to the information contained on the label of any pesticide with which the employee works or to which the employee is likely to be exposed.(2) AGRICULTURAL EMPLOYER. An agricultural employer who uses pesticides shall post in a prominent place in the workplace a sign which informs employees that the agricultural employer is required, upon request, to provide an employee or employee representative with access to the information contained on the label of any pesticide with which the employee works or to which the employee is likely to be exposed.(3) MINOR EMPLOYEE. If an employee is a minor, an employer or agricultural employer shall send to the employee's parent or guardian, at the address provided by the employee, notice of the employee's rights under sub. (1) or (2).1981 c. 364; 1983 a. 392. "Produces" under sub. (1) means to create, bring forth, or cause hazardous substances to exist in the work place. Door County Highway Department v. DILHR, 137 Wis. 2d 280, 404 N.W.2d 548 (Ct. App. 1987).