Any of a family of compounds known chemically as dibenzo-p-dioxins. Concern about them arises from …

The relationship between the volume of water in a stream and the volume of incoming …

Equipamento para a digestão de matérias orgânicas, em particular lodos das estações de tratamento biológico …

In wastewater treatment, a closed tank; in solid waste conversion, a unit in which bacterial …

Degradação anaeróbia de matérias orgânicas, em particular dos lodos provenientes de uma degradação aeróbia (depuração …

Dieldrin is an insect-killing chemical that is readily absorbed through the skin or following ingestion. …

A colorless liquid, which evaporates readily in certain situations. It is used as a solvent …

A volatile organic compound that is often used as a deodorizer, and as a moth, …

An amber-colored liquid, used in a agriculture to kill worms in the soil. Inhalation of …

As insect-killing chemical containing phosphates. In 1986, U. S. EPA banned its use in open …