Contamination
The presence of an unwanted or unneeded substance in a material, mixture, metal, gas or chemical. In environmental chemistry, the term is practically equivalent to pollution.
Contamination Source Inventory
An inventory of contaminant sources within delineated State Water-Protection Areas. Targets likely sources for further investigation.
Source: Terms of the Environment ...
Bottled water is required to be tested less frequently than tap water for bacteria and chemical contaminants, and U.S. Food and Drug Administration bottled water rules allow for some contamination by E.
Contamination (Water): The adding of any substance to water which makes it unfit for use.
Contamination - Introduction into water, air and soil of microorganisms, chemicals, toxic substances, wastes or wastewater in a concentration that makes the medium unfit for its next intended use.
contamination - pollution.
contraceptive - preventing conception and pregnancy.
creek - a watercourse smaller than, and often tributary to, a river.
contamination
a general term signifying the introduction into water of microorganisms, chemicals, wastes or sewage which renders the water unfit for its intended use.
cooling tower ...
Contamination: The introduction into water of sewage or other foreign matter that will render the water unfit for its intended use ...
contamination 1) The introduction of microorganisms, chemicals, toxic substances, wastes, or wastewater into water in a concentration that makes the water unfit for either discharge or its next intended use. 2) Radioactive material found on ...
decontamination
Process of rendering harmless (by neutralization, elimination, removal etc.) a potentially toxic substance in the natural environment, laboratory areas, the workplace, other indoor areas, clothes, food, water, sewage etc.
Decontamination
Removal of harmful substances such as noxious chemicals, harmful bacteria or other organisms, or radioactive material from exposed individuals, rooms and furnishings in buildings, or the exterior environment.
Decontamination area: An enclosed area adjacent to and connected to a regulated work area. It consists of various rooms, which are used for the decontamination or workers, equipment and materials.
Decontamination: The use of physical or chemical means to remove, inactivate, ...
D decontamination
Definition (english only)
The removing of chemical, biological, or radiological contamination from, or the neutralizing of it on a person, object, or area.
Sewage contamination
The introduction of untreated sewage into a water body.
Sewage sludge ...
Contamination caused by living organisms either microscopic or larger animals, which can cause health effects.
Biological Control
The use of organisms or viruses to control parasites, weeds, or other pests.
Contamination: The introduction into soil, air or water of a chemical, organic or radioactive material or live organism that will adversely affect the medium's quality.
Source of contamination
The place where a hazardous substance comes from, such as a landfill, waste pond, incinerator, storage tank, or drum. A source of contamination is the first part of an exposure pathway.
Environmental contamination has been a long-standing concern for First Nations people since the early 1960s, ...
Pollution- Contamination of air, soil, or water with harmful substances.
Point Source Contamination: water contamination from specific sources such as leaking underground storage tanks, landfills, industrial waste discharge points, or chemical mixing sites.
Electrokinetic decontamination
a method of removing metals and other inorganic pollutants from contaminated soils using electrodes ...
Pollution: The contamination of a natural ecosystem, especially with reference to the activity of humans.
Nutrient Pollution- Contamination of water resources by excessive inputs of nutrients. In surface waters, excess algal production is a major concern.
Redevelopment is complicated due to the environmental contamination. Building Envelope The exterior surface of a building's construction to include the walls, windows, roof and floor. Protects the indoor environment and climate.
Health assessment for contaminated sites Determination of actual or possible health effects due to environmental contamination or exposure. It includes a health-based interpretation of all the information known about the situation.
Their presence in water indicates fecal pollution and potentially dangerous bacterial contamination by disease-causing microorganisms.
colloids (CALL-loids).
Do not touch agar with fingers (although this is not a sterile system, any extraneous contamination should be avoided). Place a small scoop of thoroughly moistened soil at the edge of the material, in contact with the agar.
A legal document, approved and issued by a judge, formalizing an agreement between DTSC and the parties potentially responsible for site contamination.
Industrial contamination is the primary source of airborne arsenic. Active smelters may be a source of high exposure to arsenic fumes and dust.
An approximately global instrumental temperature record begins in about 1860; contamination from the urban heat island effect is believed to be small.
Endangerment Assessment: A study to determine the nature and extent of contamination at a site on the National Priorities List and the risks posed to public health or the environment.
PARTS PER MILLION: A unit used to measure contamination concentration (parts of contamination per million parts of water). One part per million is equal to one milligram per liter.
Air Pollution - The contamination of the atmosphere by any toxic or radioactive gases and particulate matter as a result of human activity. [Environmental Science and Technology; v28; 1633-1649; Sept 1994.] [New Scientist; v143; 8; 1994.] ...
Trace contaminants Contamination found in trace (very low) levels.
Transpiration The loss of water from plants through leaves and other parts. This loss can be a significant amount of water during very dry periods.
Greywater - waste water that does not contain sewage or fecal contamination (such as from the shower) and can be reused for irrigation after filtration. Read more about greywater here.
H ...
Generally, abandoned wells will be filled with concrete or cement grout to protect underground water from waste and contamination.
Abandonment (Water Right) - ...
Under current regulations, landfills are required to have liners and leachate treatment systems to prevent contamination of ground water and surface waters. An industrial landfill disposes of non-hazardous industrial wastes.
Abandoned, idled, or under used industrial and commercial facilities/sites where expansion or redevelopment is complicated by real or perceived environmental contamination. They can be in urban, suburban, or rural areas.
Contamination can occur even when small quantities of waste are allowed to seep into the soil over a long period of time. This can occur, for example, when oil is not cleaned up after repeated spills.
produced without the use of synthetic fertilizers or pesticides and with farming techniques that protect soil quality, minimize erosion and actively prevent the contamination of air, land and water.
Well closure: The process of sealing a well that is no longer being used to prevent groundwater contamination and harm to people and animals.
Well field: An area in which productive wells are drilled.
Discharge Consent: permit to discharge contaminated water from an industrial site. The permit specifies allowed contamination limits and/or permitted discharge volumes.
Pollution Plume: an area of a stream or aquifer containing degraded water resulting from migration of a pollutant. It extends from the source of contamination to another point in the direction of the water flow.
As opposed to "tolerances" which are established for residues occurring as a direct result of proper usage, action levels are set for inadvertent residues resulting from previous legal use or accidental contamination. 2.
Land previously utilized by commercial or industrial facilities that remains abandoned with known or perceived environmental contamination.
Carbon Dioxide ...
Abandoned or under-used industrial and commercial sites where future expansion or redevelopment can be directed after site remediation for possible contamination.
BUFFER ...
Waterborne diseases. Diseases that a person gets by drinking polluted water. These diseases are climate sensitive because weather events can cause water contamination, increasing the risk of disease.
Landfill is the disposal of waste by tipping it on the land. Nowadays waste can only be tipped on licensed landfill sites that protect against contamination of land and water.
Leachates are liquids that have seeped through waste sites.
Externalities: The inadvertent impact of one person's activity on the well-being of another person. Many aspects of environmental degradation, such as air pollution, global warming, loss of wilderness, and contamination of water bodies, ...
potentially responsible party Any individual or company--including owners, operators, transporters, or generators--potentially responsible for or contributing to a spill or other contamination at a Superfund site.
 See also: Water, Waste, Environment, Air, Reduce
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