Water quality testing involves many things, such as pH, nitrates, phosphates, and dissolved oxygen. The levels of these in the water determine the quality of the particular water body. In this lab, we will be determining the quality of the water at Lewis and Clark Community College in Godfrey, Illinois. We hope to find that the quality of water to be at normal levels in all of these areas.
Acidity in water can kill fish and even humans, the pH of fresh water ecosystem, can be affected by natural and man-made sources of contamination. Natural sources of water contamination, such as poison springs, oil seeps, and sedimentation from erosion. The most serious water pollutants in terms of human health worldwide are pathogenic organisms. Man-made sources of contamination include: factories, power plants, sewage treatment plants, underground coalmines, and oil wells (Behar). They are classified as sources because they discharge pollution into water from locations, such as drainpipes, ditches, or sewer outfalls. These runoffs affect aquatic life, because the high acidity puts the water into shock. Acids are also released by mining and as by-products of industrial processes, such as leather tanning, metal smelting and plating, petroleum distillation, and organic chemical synthesis. Coal mining is an especially important source of acid water pollution a (“Water Pollution”). The causes of pH change in water ecosystems fluxgates often. Small farm ponds and other freshwater bodies sink more carbon than all the world 's oceans; because freshwater sources release huge amounts of carbon dioxide and methane. The world 's freshwater lakes, streams, ponds and swimming holes store and release immense amounts of clim...
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...ter to 18 mg/liter (Kemker).
Petroleum refineries separate oil into a wide array of petroleum products such as petroleum gas, kerosene, diesel fuel, motor oil, asphalt, and wax. The process in which the refineries go through causes many environmental hazards. For example, water pollution, air pollution, and soil pollution are all affected because of petroleum refineries and their processes. Water contamination can occur naturally but often it is due to man-made processes. Refineries are major contributors to water contamination, the disposal of their wastes often end up in many fresh water ecosystems. These refineries are also the culprits of a lot of air pollution; harmful gases and cancer causing toxins are produced and put into the surrounding air. These toxins released out of these refineries have become detrimental to the ozone layer (Prioleau).
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