Arquivos: Glossário

A semi-solid residue from any of a number of air or water treatment processes. Sludge can be a hazardous waste.

Artificial channel for conducting water, with a valve or gate to regulate the flow; body of water impounded behind a floodgate.

Sliding or gravitational movement of an overlying layer of soil, typically from becoming saturated, and lying on a rock layer or other impermeable layer.

A watery mixture of insoluble matter resulting from some pollution control techniques.

Material placed vertically in the ground to prevent the lateral movement of groundwater.

A dam inpounding 20 acre-feet or less, or 18 feet or less in height. Generally, used for overnight storage ponds or sprinkler pressurizing ponds.

Small island developing states (SIDS), as recognised by the United Nations OHRLLS (Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States), are a distinct group of developing countries facing specific social, economic and environmental vulnerabilities (UN-OHRLLS, 2011). They were recognized as a special case both for […]

A generator who generates less than 2,200 pounds of hazardous waste in a calendar month.

Smart beta is a passive investment style that seeks to systematically select, weight and rebalance holdings based on alternative weighting schemes or factors other than market capitalisation, such as fundamentals like value or profitability, or other factors such as volatility. Smart beta has gained popularity as an alternative approach to portfolio construction as it aims […]

A facility that melts or fuses ore, often with an accompanying chemical change, to separate its metal content. Emissions cause pollution. “Smelting” is the process involved.