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persistent organic pollutant
Any environmental contaminant that is resistant to environmental degradation through photolytic, biological or chemical processes. Such substances can have significant impact on health and the environment, as they persist in the environment, bioaccumulate in animal tissue and so biomagnify in food chains.
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carcinogenic agent
A role played by a chemical compound which is known to induce a process of carcinogenesis by corrupting normal cellular pathways, leading to the acquistion of tumoral capabilities.
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insecticide
Strictly, a substance intended to kill members of the class Insecta. In common usage, any substance used for preventing, destroying, repelling or controlling insects.
acaricide
A substance used to destroy pests of the subclass Acari (mites and ticks).
agrochemical
An agrochemical is a substance that is used in agriculture or horticulture.
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