6-6-1: DEFINITIONS:
   For the purposes of this Chapter, the following words shall be defined as follows:
   COMBUSTIBLE: Any substance having a flashpoint above eighty (80) degrees Fahrenheit to and including one hundred fifty (150) degrees Fahrenheit as determined by the Tagliabue Open Cup Test, except the combustibility of solids or contents of self-pressured containers shall be determined by methods generally applicable to such materials or containers respectively.
   CORROSIVE: Any substance which in contact with living tissue causes destruction of tissue by chemical action; but does not refer to action on inanimate surfaces.
   FLAMMABLE or COMBUSTIBLE: Any substance which has a flashpoint of above twenty(20) degrees to and including eighty (80) degrees Fahrenheit as determined by the Tagliabue Open Cup Tester, and "extremely flammable" means any substance which has a flash-point at or below twenty (20) degrees Fahrenheit as determined by the Tagliabue Open Cup Tester, and "combustible" means any substance which has a flashpoint above eighty (80) degrees Fahrenheit to and including one hundred fifty (150) degrees, as determined by the Tagliabue Open Cup Tester.
   HAZARDOUS MATERIAL INCIDENT: An incident which threatens public health or safety involving the actual or reasonable potential for release of a hazardous substance or hazardous material.
   HAZARDOUS SUBSTANCE or HAZARDOUS MATERIAL: Any substance or material or mixture of substances which is toxic, corrosive, an irritant, strong sensitizer, radioactive, flammable, combustible, or which generates pressure through decomposition, heat or other means and which may cause injury or illness to humans, domestic livestock, or wildlife or as defined by the Illinois Environmental Protection Act or any Federal law.
   HIGHLY TOXIC: Any substance which produces death within fourteen (14) days in at least half of a group of ten (10) or more laboratory white rats each weighing between two hundred (200) and three hundred (300) grams, when a single dose of fifty (50) milligrams or less per kilogram of body weight, is orally administered or when inhaled continuously for a period of one hour or less at an atmospheric concentration of two hundred (200) parts per million by volume or less of gas or vapor or two (2) milligrams per liter by volume or less of mist or dust, provided such concentration is likely to be encountered by man when the substance is used in any reasonably foreseeable manner, or which produces death within fourteen (14) days in at least half of a group of ten (10) or more rabbits tested in a dosage of two hundred (200) milligrams or less per kilogram of body weight, when administered by continuous contact with the bare skin for twenty four (24) hours or less.
   IRRITANT: Any substance, not corrosive, which on immediate, prolonged or repeated contact with normal living tissue will induce local inflammatory reaction.
   PERSON: Any individual, partnership, corporation, trust, firm, company, estate, association or other legal entity.
   RADIOACTIVE SUBSTANCE: Any substance which emits ionizing radiation.
   STRONG SENSITIZER: Any substance which will cause on normal living tissue through an allergic or photodynamic process a hypersensitivity which becomes evident on reapplication of the same substance.
   TOXIC: Any substance (other than a radioactive substance) which has the capacity to produce bodily injury or illness to man through ingestion, inhalation, or absorption through any body surface.
   TRUCK: Every motor vehicle being used or maintained for the transportation of property which includes any of the above-listed substances or any transported substances which are in a frozen state, heated state, liquid state or gaseous state contact with which would destroy living tissue.