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The capacity of a substance to cause long-term poisonous human health effects. (See acute toxicity.) Source: World Bank

A family of inert, nontoxic, and easily liquefied chemicals used in refrigeration, air conditioning, packaging, insulation, or as solvents and aerosol propellants. Because CFCs are not destroyed in the lower atmosphere they drift into the upper atmosphere

The application of chlorine to drinking water, sewage, or industrial waste to disinfect or to oxidize undesirable compounds. Source: World Bank

Any one of a variety of technologies that use chemicals or a variety of chemical processes to treat waste. Source: World Bank

1. In solid waste disposal, holes where waste is dumped, compacted, and covered with layers of dirt on a daily basis. 2. The smallest structural part of living matter capable of functioning as an independent unit. Source: World Bank

Means a compartment within a landfill isolated from other compartments by appropriate cover material and of such size so as to be considered manageable in the context of total volume and the day-to- day operating concerns including garbage placement and c

A control device which oxidizes volatile organic compounds (VOCs) by using a catalyst to promote the combustion process. Catalytic incinerators require lower temperatures than conventional thermal incinerators, with resultant fuel and cost savings. Source

A colorless, odorless, poisonous gas produced by incomplete fossil fuel combustion. Source: World Bank

A colorless, odorless, non-poisonous gas, which results from fossil fuel combustion and is normally a part of the ambient air. Source: World Bank

An add-on control device which uses activated carbon to absorb volatile organic compounds from a gas stream. The VOCs are later recovered from the carbon. Source: World Bank