Lead is one of the most common metals so far, is a known toxin and learn more for kiễm has been proven through many stages and are widely used in all areas of life. Lead generated through two sources of natural resources, primarily from earthquakes, volcanism, erosion, and. artificial sources such as traffic, industry, military, commercial activities and daily life ... from which lead many in the environment such as air, water, land and environment is more serious they invade, poisoning for humans (kidney damage , renal failure, Fanconi syndrome, gout, etc.) and the ecosystem. Because the lead is kind of poisonous nature should also process difficult, nowadays there are few studies about the possibility of lead pollution. The systematic study of lead poisoning as well as the program of propaganda about the risk of lead toxicity in nhhiễm people yet to be conducted.
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