Mo. Rev. Stat. § 292.600 (2026)

  292.600.  Definitions. — As used in sections 292.600 to 292.625, the following terms mean:

  (1)  "Department", the state department of public safety;

  (2)  "District or local emergency planning committee", a committee established by the Missouri emergency response commission and may include one or more counties or cities in Missouri;

  (3)  "Employer", a person engaged in business and including the state and any political subdivision thereof;

  (4)  "Hazardous substance", any substance which is:

  (a)  Listed in Title III, Emergency Planning and Community Right-to-Know, of the federal Superfund Amendments and Reauthorization Act of 1986, Public Law 99-499; or

  (b)  A pesticide for which a registration has been cancelled or suspended under the provisions of section 281.260 or the federal Insecticide, Fungicide and Rodenticide Act of 1972, Public Law 92-516, as amended; or

  (c)  An extremely hazardous substance or hazardous chemical as defined in Title III, Emergency Planning and Community Right-to-Know, as enacted under the federal Superfund Amendments and Reauthorization Act of 1986, Public Law 99-499; and which an employer stores, uses or produces, but shall not include any substance which is a food or drug as defined in the federal Food, Drug and Cosmetic Act, 21 U.S.C., Section 321, et seq.; packaged for distribution to, and used by, the general public, including any product used by an employer in the same form, approximate amount, concentration, and manner as it is sold to the consumer; present in a physical state, volume, or concentration for which there is no valid and substantial evidence that a significant risk to human health may occur from exposure; used in a laboratory for experimentation, research, development or testing by or under the direct supervision of a technically qualified individual, provided that the toxic substance or mixture is not produced in the laboratory for commercial purposes;

  (5)  "Person", one or more individuals, partnerships, associations, corporations, business trusts, legal representatives or any organized group of persons.