A poisonous agent or drug, as opium; an intoxicant.
Substance dissolved in water that produces a harmful effect on organisms, either by an immediate large dose or by small doses over a period of time.
an agent that causes biological damage.
Synonym = poison. Any chemical that causes harmful biological effects.
A substance that can cause tissue damage or otherwise affect organs or systems within the body.
A toxic substance such as the active ingredient in pesticide formulations, that can injure or kill plants, animals or micro-organisms.
A poisionous or toxic agent which is harmful to living resources either terrestrial or aquatic.
having the qualities or effects of a poison
a substance that has been shown to present some significant degree of possible risk when consumed above safe limits by animals
A substance capable of causing human injury or damage to living body tissue, impairment to the central nervous system, severe illness, and, in severe cases, death. A poison.
An agent or material capable of producing an adverse response in a biological system, seriously injuring structure or function, or resulting in death.
a substance that could cause adverse effects in a living organism
See SN toxic substance
A poison or poisonous substance. Unconfirmed Losses Losses or damage reported by resource owners or managers, but not verified by ADC. Wilderness Study Area (WSA) Undeveloped federal land retaining its primeval character and influence, without permanent improvements or human habitation, and managed to preserve its natural conditions.
A harmful substance or agent that may injure an exposed organism.