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Cadmium in Groundwater of Amarillo - Term Paper Example

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The study highlights the potential problems that could emerge from the exposure to Cadmium in Amarillo and analyzes the collected data to support whether or not the contamination exists, and which between the landfill and metal refinery is the cause of the Cadmium contamination. …
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Download file to see previous pages The idea of the research was brought up after several cases of health disorders were reported in Amarillo and the symptom hinted contamination of the drinking water by Cadmium and/or Chloride. Cadmium, atomic number 48 chemical element is a bluish-white metal with similar chemical attributes to Mercury and Zinc. Cadmium is mostly found in the earth's crust and is rare as compared to Zinc. Its availability in the human environment is rare, but human interference is what leads to its availability; it occurs a byproduct of refining some metals such as Zinc, smelting, and mining. Again, it is generated during the recycling of steel and iron scraps and will occur in rocks mined to process phosphate fertilizers. Finally, some minimal traces of Cadmium occur in coal dust. These harbors of Cadmium, therefore, hint that there are two potential contamination sources of the Amarillo groundwater; the old landfill to the south, and an emerging metal refinery to the north of the city. There are two means through which Cadmium can end up contaminating water; naturally or by artificial (man-made). Naturally, erosions of soils and the weathering of rocks deposit some Cadmium into aquatic systems but this is usually of low insignificant concentrations. After aquatic systems such as rivers get contaminated in excess, they can contaminate the surrounding environment (soil) when flooding occurs or artificial activities such as irrigation occur. However, artificial contamination resulting from human activities is what causes excess contamination. Metal industries are notorious for emitting wastewater with the metal into aquatic systems, and these not only spread to agricultural lands, seep into soil and rocks, but also end up in municipal water treatment systems.  ...Download file to see next pagesRead More
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