Polychlorinated dioxins and furans: Environmental effects
Description
Dioxins are very toxic to certain animals. Studies have shown dioxins to have a range of adverse effects on a wide number of animals. Dioxins are known to bioaccumulate and therefore tend to be concentrated in the food chain.
Entering the environment
Dioxins may be transported by air, water and in soils or sediments.
Where it ends up
When released into the air, some dioxins may be transported long distances, even around the globe. When released in waste waters, some dioxins are broken down by sunlight, some evaporate to air, but most attach to soil and settle to the bottom sediment in water. CDD concentrations may build up in the food chain, resulting in measurable levels in animals.
Environmental guidelines
No national guidelines.
Key
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