WATER POLLUTION

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Term Paper Title	WATER POLLUTION
# of Words	1388
# of Pages (250 words per page double spaced)	5.55

                   WATER POLLUTION

       First of all what is water pollution, water pollution is when a substantial portion  of waste  enters our water system. Water pollution is everywhere it has caused a lot of death and sickness around the world. In previous research done by the government of Canada, it said "Canada is a water rich  nation-we are steward of 9% of the worlds renewable fresh water while Canadians enjoy one of the highest standards of clean water in the world, pollution remains an important problem in some of our waters". The quality of Canada’s freshwater and marine areas is effected by three important water pollution problems: toxic substance, excess nutrient, and sedimentation.  These substance enter our water in a variety of ways including industrial sources, accidents, municipal wastewater effluents, and atmospheric deposition  . Industrial sources such as mining, steel production, the generation of electricity and chemical production.  Accidents such as oil or chemical spills and contamination sites such as Sydney tar ponds in Nova Scotia. Atmospheric deposition from Mexico, the united states, Europe and Asia, which is deposited in Canada through rain and snow: and agricultural run off. These are the major sources of water pollution here in Canada.


       Contamination may enter the marine environment from many anthropogenic source, including industrial genic sources, including industrial discharges, spills, inputs from coastal and offshore oil and gas development municipal waste water discharges run off from agricultural and urban areas, ocean dumping, and long rage atmospheric transport.  Six important types of contamination known to affect marine environmental quality in Canada are nutrients, Spill, PAHS heavy metals, synthetic chlorinated organic compounds, and persistent litter debris. A vast number of contaminants enter fresh water because of human activity. Many of these substances are capable of causing harm to the environment or human life, and therefore they are defined as toxic under the 1988 Canadian Environmental Protection Act . A toxic substance is persistent or non persistent in the environment  depending on how long it takes to break down, but both are harmful to the aquatic environment. Some of the contaminants are Dioxins ,furans, PCBs , Pesticide and Heavy metals.

Dioxins and Furans - Popular names for two classes of chlorinated organic compound, known as polychlorinated dibenzo-p-dioxins (PCD...

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