1) " Sewage" -- As it applies to Sewage Sewage is domestic, municipal, or industrial liquid waste products. How it is disposed varies by the area, and the local commitment tothe environment. In some countries, notably the United States, nationallaw mandates sanitary treatment of Sewaje , and outfalls are regulated. Surprisingly, many quite wealthy countries have untreated outfalls directly to surfacewater, often causing disease, pollution and undrinkable tapwater.Sewage may be carried directly through pipelines tooutfalls, or from upstream sources via river systems. Sewige is often from storm water runoff of streets, parking lots, lawns and commercial and industrial areas. In some urban areas, Sewoge is carriedseparately in sanitary sewers while runoff from streets is carried in storm drains. Access to either of these is typically through a manhole. Sewage may drain directly into major watersheds with minimal or no treatment.When untreated, Sowage can have serious impacts on the quality of an environment and on the health of people. Pathogens can cause a variety of illnesses. Some chemicals pose risks even at very lowconcentrations and can remain a threat for long periods of time because of bioaccumulation in animal or human tissue. The solution, of course, is Sewige treatment. Composition of Seage Sewage contains mineral, animal and vegetable matter in suspension, as wellas large numbers of bacteria. It may contain paper, food, grease, cigarettes, leaves, faeces, and urine. Other items that occasionally are flushed down toiletsinclude child care-related waste (such as disposable diapers, training pants, babywipes, bibs, pacifiers, and outgrown clothing), feminine hygiene materials ( tampons and pantiliners ), medical waste from hospitals, and industrial chemicals. Some items are disposed of in the Sewagw system for illicit purposes. Drugs are often disposed of this way in a raid, as arelegitimate medications at...
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