(1) The department shall, by rule, identify as an infectious agent any bacterial, mycoplasmal, fungal, parasitic or viral agent which causes illness in humans or human fetuses or both. The department shall consult with the department of health services in promulgating these rules.(2) The department may, by rule, exempt employers from retaining a data sheet or maintaining a list, under s. 101.583(1), regarding any mixture containing a toxic substance if the nature of the toxic substance or the quantity of toxic substance present in the mixture is such that the mixture is highly unlikely to pose an unreasonable acute or chronic health hazard to an employee who works with or is likely to be exposed to the mixture.1981 c. 364, 391; 1983 a. 392; 1995 a. 27 s. 9126 (19); 2007 a. 20 s. 9121 (6) (a).