Five Hazardous Characteristics:
(1) Acute (Immediate) Health Hazard Continued:
"Sensitizer" means a chemical that causes exposed people or animals to develop an allergic reaction after repeated exposure to the chemicals.
"Toxic" means a chemical falling within any of the following categories:
- A chemical that has a median lethal dose (LD50) of more than 50 milligrams per kilogram but not more than 500 milligrams
- A chemical that has a median lethal dose (LD50) of more than 200 milligrams
- A chemical that has a median lethal concentration (LC50) in air of more than 200 parts per million but not more than 2,000 parts per million by volume of gas or vapor
(2) Chronic (Delayed) Health Hazard: Includes carcinogens and other hazardous chemicals which cause an adverse effect to the target organ (as defined under 1910.1200 of Title 29 of the Code of Federal Regulations (CFR)) and manifests itself after a long period of time following or during repeated contacts with the substance.