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From Wikipedia

Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

Types of pollutants

Stock pollutants

Pollutants that the environment has little or no absorptive capacity are called stock pollutants (e.g. persistent synthetic chemicals, non-biodegradable plastics, and heavy metals). Stock pollutants accumulate in the environment over time. The damage they cause increases as more pollutant is emitted, and persists as the pollutant accumulates. Stock pollutants can create a burden for future generations by passing on damage that persists well after the benefits received from incurring that damage have been forgotten.

Fund pollutants

Fund pollutants are those for which the environment has some absorptive capacity. Fund pollutants do not cause damage to the environment unless the emission rate exceeds the receiving environment's absorptive capacity (e.g. carbon dioxide, which is absorbed by plants and oceans). Fund pollutants are not destroyed, but rather converted into less harmful substances, or diluted/dispersed to non-harmful concentrations.

Notable pollutants

Notable pollutants include the following groups:

Zones of influence

Pollutants can also be defined by their zones of influence, both horizontally and vertically.

Horizontal zone

The horizontal zone refers to the area that is damaged by a pollutant. Local pollutants cause damage near the emission source. Regional pollutants cause damage further from the emission source.

Vertical zone

The vertical zone is referred to whether the damage is ground-level or atmospheric. Surface pollutants cause damage by concentrations of the pollutant accumulating near the Earth's surface Global pollutants cause damage by concentrations in the atmosphere

Regulation

International

Pollutants can cross international borders and therefore international regulations are needed for their control. The Stockholm Convention on Persistent Organic Pollutants, which entered into force in 2004, is an international legally binding agreement for the control of persistent organic pollutants. Pollutant Release and Transfer Registers (PRTR) are systems to collect and disseminate information on environmental releases and transfers of toxic chemicals from industrial and other facilities.

European Union

The European Pollutant Emission Register is a type of PRTR providing access to information on the annual emissions of industrial facilities in the Member States of the European Union, as well as Norway.

United States

Clean Air Act standards. Under the Clean Air Act, the National Ambient Air Quality Standards (NAAQS) are standards developed for outdoor air quality. The National Emissions Standards for Hazardous Air Pollutants are emission standards that are set by the Environmental Protection Agency (EPA) which are not covered by the NAAQS.

Clean Water Act standards. Under the Clean Water Act, EPA promulgated national standards for municipal sewage treatment plants, also called publicly owned treatment works, in the Secondary Treatment Regulation. National standards for industrial dischargers are calledEffluent guidelines(for existing sources) andNew Source Performance Standards, and currently cover over 50 industrial categories. In addition, the Act requires states to publish water quality standards for individual water bodies to provide additional protection where the national standards are insufficient.

RCRA standards. The Resource Conservation and Recovery Act (RCRA) regulates the management, transport and disposal of municipal solid waste, hazardous waste and <


From Encyclopedia

Environmental Pollution

Environmental pollution is the release of chemical waste that causes detrimental effects on the environment. Environmental pollution is often divided into pollution of water supplies, the atmosphere, and the soil. In his book Environmental Chemistry, Stanley Manahan lists several different types of pollutants, including toxic inorganic and organic compounds, high concentrations of normally innocuous compounds, and heat and noise. While much pollution is produced by the chemical industry, domestic sources include human waste and automobile exhaust.


From Yahoo Answers

Question:plz explain them!!

Answers:It's not entirely possible to list every single component that may get into the environment. That's because coal consists of a wide variety of chemical compounds, which vary depending on what kind of coal you use... and also because different plants use different techniques to clean up their emissions. A coal plant in the US will put out a lot less nasty stuff than one in, say, China. But anyway, the prime output of coal (or any kind of) combustion is carbon dioxide. This is a greenhouse gas, and contributes to global warming and the acidification of the oceans. In some plants, the CO2 is sequestered in the earth or collected for other purposes, but that's not the majority. carbon dioxide is technically a product of the desired combustion reaction: hydrocarbon + air = carbon dioxide + water + heat But often you don't get complete combustion, and you either don't react all your hydrocarbons or you produce others. So you have residual things like fly ash. Fly ash can be collected and used to make things like bricks, but if it is not you get a nasty flying ash that hazes up the sky and gunks up your lungs. And then there are the types of pollutants which are not part of the reaction, but come into the reactor along with the coal and come out with the carbon dioxide. That's things like oxides of nitrogen and sulfur dioxide. These guys acidify water, making acid rains. Then you have the weird trace elements in coal, which can include radioactive isotopes and just about anything you can imagine.

Question:what are the different types of air pollution and how is it measured?

Answers:what causes air pollution is when a a power station uses coal to make electricity. when the coal is burned it releases Nox and Sox ( nitrus oxide, and sulphur oxide) into the atmosphere. This cause air pollution and acid rain. air pollution can be meased by a carbon menoxide measurer, or even by the amount of weathering on statues due to acid rain.

Question:What are the impacts of ocean pollution on those?

Answers:there are many different forms of ocean pollution, I would recommend reading these articles http://pollutionarticles.blogspot.com/2008/12/ocean-acidification-threat-to-marine.html http://pollutionarticles.blogspot.com/2008/11/oceans-becoming-more-acidic.html http://pollutionarticles.blogspot.com/2008/11/ocean-dead-zones-will-increase-in.html http://pollutionarticles.blogspot.com/2007/11/ocean-pollution.html http://pollutionarticles.blogspot.com/2008/03/ocean-acidification-acid-rains.html

Question:around a 5 minute speech THESE ARE THE MAIN * 1 paragraph on air pollution * 1paragraph on water pollution * 1 paragraph on air pollution AND IF POSSIBLE (PLEASE TRY !) * 1paragraph on sound pollution * 1paragraph on soil pollution PLEASE HELP ME !!!! GOTTA SAY THIS SPEECH TOMORROW and P.S please dont give me those sites in which you have to pay for the essay ok

Answers:i'm sure your teacher/professor will help you formulate the speech. I think you should write your own speech.

From Youtube

Pollution And Its Types :Check us out at www.tutorvista.com Different Types of Pollution There are nine basic types of environmental pollution, and each one has detrimental affects on wildlife, human habitation, and the quality of life in the affected area. Air Pollution :Air pollution is defined as any contamination of the atmosphere that disturbs the natural composition and chemistry of the air. This can be in the form of particulate matter such as dust or excessive gases like carbon dioxide or other vapors that cannot be effectively removed through natural cycles, such as the carbon cycle or the nitrogen cycle. Air pollution comes from a wide variety of sources. Some of the most excessive sources include: Vehicle or manufacturing exhaust Forest fires, volcanic eruptions, dry soil erosion, and other natural sources Building construction or demolition Depending on the concentration of air pollutants, several effects can be noticed. Smog increases, higher rain acidity, crop depletion from inadequate oxygen, higher rates of asthma, and global warming are all related to increased air pollution. Water Pollution: Water pollution involves any contaminated water, whether from chemical, particulate, or bacterial matter that degrades the waters quality and purity. Water pollution can occur in oceans, rivers, lakes, and underground reservoirs, and as different water sources flow together the pollution can spread. Causes of water pollution include: Increased sediment from soil erosion Improper waste ...

The Different Types Of Air Pollution :pollutioncontrol.free-health-care.info The Different Types Of Air Pollution According to the Environmental Protection Agency there are a great number of types of air pollution. These are all classifieds as different levels and threats to the environment in regards to how they are controlled and as to what level is allowed to be produced before it is considered as threatening to the environment. Because of the different types and health concerns brought on by the different types of air pollution, it is leading to an increase in healthcare costs across the board. polluters The different types of air pollution start as small not as threatening issues or pollutants and will range to more devastating and dangerous levels based on what it is that is being released into the air. One of the biggest polluters that are regulated by the United States EPA are those of large industries. If they are companies that produce sulfur dioxide and oxides of nitrogen. Since these are primarily power plants and manufacturing areas. These are regulated under the Clean Air Act and are regulated by the EPA. different types of air pollution There are different things that can be done in order to prevent and reduce the different types of air pollution. One of the biggest threats is Carbon Monoxide as a threat and that is a primary pollutant that is produced by cars. There are now regulations in place that reduce the emissions that are produced by cars and other Carbon Monoxide producing items. Using ...