The current case study assesses the community risk and describes the human health impact of the heavy metal ground water pollution problem. The community risk will be measured by the epidemiological parameters such as prevalence measuring the burden of the resulting disease (outcome) and incidence/mortality rates indicating the risk of the disease or outcome. The socio-economic implications will also be discussed in this paper. Community risk assessment The purpose of community risk assessment (CRA)
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exception. Because of its huge and growing population‚ 20 years of over nine per cent per annum growth‚ a history of neglect and adverse geography‚ China faces crises. China has a reputation throughout the world for being a country with large amounts of pollution and environmental degradation. Like many Western nations‚ China’s environmental impact became most prevalent as the country became increasingly industrialized. The policies of Mao Zedong led the Chinese to believe dominion over nature was not only
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industrialization‚ infrastructure development...are contributing to increase stress on the natural resource base in Viet Nam today. The paper highlighted those stresses : the rural exodus to the cities due to scarce land resources in the countryside‚ the pollution problems in the urban environment‚ the migration of people to forested areas with direct impacts including the deforestation‚ the watershed degradation and the loss of biodiversity. Striking a balance between population growth and conserving the
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these rivers‚ which form a river canal network system. There are both residential and industrial units besides these rivers which are prime source of pollution of these rivers. The untreated waste water discharges by the industries cause serious pollution. Besides‚ non point sources along with the stretch of the river are also important sources of pollution of these rivers. (IWM‚ 2004) The river Turag running by the side of the Dhaka city‚ the capital of Bangladesh‚ is one of the most polluted rivers
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speak on was pollution‚ water pollution to be more specific. Water pollution is the pollution of bodies of water such as rivers‚ lakes‚ seas and oceans. Water pollution happens when pollutants such as sewerage or any type of trash is put directly into a body of water without being purified to remove harmful things found in the pollutants. Water pollution is bad for many reasons; one being that the pollutants may be harmful to the animals‚ plants or any living organism in the body of water. The killing
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urbanising area of Delhi stands out favourably. Subsequently‚ the description narrows in on environmental problems‚ treating pollution‚ congestion and pressure on amenities. These adverse effects‚ which economists call negative externalities‚ usually go uncompensated; e.g. a factory is not held directly responsible to pay compensation to nearby residents who suffer from its pollution (Pearce 1981). A discussion of externalities belongs to a more economic approach. In contrast‚ this study
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Study Guide Water Resources and Pollution Chapter 7 Water Resources Vocabulary Precipitation Infiltration Runoff Capillary water Transpiration Evaporation Percolation Gravitational water Ground water Water table Aquifer Recharge area Seep Spring Acidity Turbidity Hardness Salinity Dissolved oxygen BOD pH Chapter 17 Water Pollution Vocabulary Turbid Phytoplankton Eutrophication Nonbiodegradable Point source pollution Nonpoint source pollution Pathogen DO
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How Water Pollution Effects Marine Life? For years man has been polluting our vast resource of oceans‚ not expecting to ever cause harm to them. Unfortunately‚ they were wrong. Our oceans and other waterways have become a poisonous playground of garbage‚ chemicals‚ and sewage. The effects of this ignorance has had devastating affects on the marine life and their habitat. This affects the habitat for marine life by destroying their homes. In doing so the intricate balance between marine animals
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Point—source pollution is generally a single element caused by one main source. An industrial spill into a river would be an example of point—source pollution. Alternatively‚ nonpoint—source pollution is the result of numerous causes of contaminants that create pollution. These pollutants can travel great distances in the form of runoff or through storm drains. Surface water pollution is the most recognizable form of water contamination. This is the pollution that can be visibly seen floating on
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effluents‚ pollution prevention‚ and care for future generations. Environmental engineering is fundamentally object-focused‚ rather than tool-based. It therefore draws from all other engineering disciplines that are apt to bear on the desired objectives. Pursuit of pollution prevention and sustainability further implicate social‚ cultural and economic considerations. Generally‚ it includes supply of water‚ disposal and recycling of wastes‚ drainage of communities‚ control of water‚ soil‚ atmospheric
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