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Information on soil pollution & diagram

About: Information on soil pollution

22 Jan '09 06:44 pm
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Soil contamination is caused by the presence of man-made chemicals or other alteration in the natural soil environment. This type of contamination typically arises from the rupture of underground storage tanks, application of pesticides, percolation of contaminated surface water to subsurface strata, oil and fuel dumping, leaching of wastes from landfills or direct discharge of industrial wastes to the soil. The most common chemicals involved are petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals. This occurrence of this phenomenon is correlated with the degree of industrialization and intensity of chemical usage.
The concern over soil contamination stems primarily from health risks, both of direct contact and from secondary contamination of water supplies[1]. Mapping of contaminated soil sites and the resulting cleanup are time consuming and expensive tasks, requiring extensive amounts of geology, hydrology, chemistry and computer modeling skills.
It is in Nor ...more
Answered by conviction, 22 Jan '09 06:45 pm

 
  
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