toxicity
Definition
Sum of adverse effects or the degree of danger posed by a substance to living organisms. It is expressed generally as a dose response relationship involving the quantity of substance to which the organism is exposed and the route of exposure—skin (absorption), mouth (ingestion), or respiratory tract (inhalation). Toxicity is classified usually as (1) Acute: harmful effects produced through a single or short-term exposure. (2) Chronic: harmful effects produced through repeated or continuous exposure over an extended period. (3) Subchronic: harmful effects produced through repeated or continuous exposure over twelve months or more but less than the normal lifespan of the organism.
toxicity is in the Environment & Pollution Control and Material & Occupational Safety subjects.
toxicity appears in the definitions of the following terms:
toxic,
lethal concentration 50 (LC50),
lethal dose 50 (LD50),
chronic toxicity,
chlorinated hydrocarbon (CHC),
acceptable daily intake (ADI) not specified,
National Fire Protection Association (NFPA),
hazardous waste,
dose response relationship,
hydrocarbon solvent
and
toxicity appears in these other terms: skin toxicity, toxicity assessment, toxicity testing, aquatic toxicity, dermal toxicity, oral toxicity, acute toxicity, cutaneous toxicity, toxicity profile
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