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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ENVIRONMENTAL POLLUTION Developmental activities such as construction‚ transportation and manufacturing not only deplete the natural resources but also produce large amount of wastes that leads to pollution of air‚ water‚ soil‚ and oceans; global warming and acid rains. Untreated or improperly treated waste is a major cause of pollution of rivers and environmental degradation causing ill health and loss of crop productivity. In this lesson you will study about the major causes of pollution‚ their effects
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Hydraulic fracturing is a process used in nine out of 10 natural gas wells in the United States‚ where millions of gallons of water‚ sand and chemicals are pumped underground to break apart the rock and release the gas. Scientists are worried that the chemicals used in fracturing may pose a threat either underground or when waste fluids are handled and sometimes spilled on the surface. The natural gas industry defends hydraulic fracturing‚ better known as fracking‚ as safe and efficient. Thomas J
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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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The first was to determine how many contaminates that we put into our water supply will reach our groundwater. The conclusion that I arrived at was‚ that there are still large remnants of contaminates in the groundwater supply after it has had a chance to be passed through soil. We emulated this affect by using smaller amounts of contaminates such as oil‚ vinegar and laundry detergent. Put them in a smaller amounts of water and then passed them though soil. Introduction In the introduction‚ I
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Dangerous Waters Fecal Coliform Table of Contents Introduction……………………………………………………………………………………………………3 Purpose…………………………………………..………………………………………………………………3 Hypothesis………………………………………………………………………………………………………4 Materials…………………………………………………………………………………………………………4 Procedures…………………………………………………………………………………………….….…4-5 Variables…………………………………………………………………………………………………………5 Results…………….………………………………………………………………………………………………6 Analysis……………………………………………...………………………………………………..………6-7 Conclusion…………………………………………………
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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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nutrients entering the water. Iowa’s waters are polluted by different causes affecting humans‚ and the growth of organisms. Agriculture and nutrient runoff can cause algae to overpopulate an area‚ using up more oxygen‚ leading to not enough oxygen making its way to other organisms. In the article “Gulf of Mexico ‘dead zone’ is the largest ever measured‚” National Oceanic and Atmospheric Administration (2017) explains how without oxygen going below the surface of the water where algae lives‚ 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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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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