APPLICATION.

(a) This chapter applies only to the following employers who annually use or store any one of the chemicals covered by this chapter in excess of 55 gallons or 500 pounds or an amount that the department determines by rule for certain highly toxic or dangerous chemicals covered by this chapter:

(1) employers who themselves or through labor agents hire agricultural laborers to perform seasonal or migrant work and whose gross annual payroll for those laborers is $15,000 or more; and

(2) employers who themselves or through labor agents hire agricultural laborers for purposes other than seasonal or migrant work and whose gross annual payroll for those laborers is $50,000 or more.

(b) This chapter applies only to the following chemicals:

(1) chemicals labeled under the federal Insecticide, Fungicide, and Rodenticide Act (7 U.S.C. Section 136 et seq.); and

(2) fertilizers with chemicals that are listed or defined as hazardous chemicals in 29 CFR Section 1910.1200(c) or 1910.1200(d)(3), including those listed or defined in subsequent comparable regulations.