Contamination

contamination-science

Contamination is the presence of an unwanted foreign substance or material (a contaminant) in the body, food supply, physical environment or natural environment.  Contaminants range from toxins, pathogens and poisons to pollutants and radioactive waste.

 

In the natural environment, contamination can occur in land (groundwater), air (pollution) and sea.  In the body, pathogenic contaminants include viruses, bacteria, toxins, and radiation, etc.  (Photo: Shutterstock)

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New York City releasing gases to track air flow

New study finds Hurricane Sandy responsible for spilling 11 billion gallons of sewage

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Horse meat found in IKEA meatballs

Private wells across U.S. contaminated with arsenic

EPA takes on trailer park owner over water testing

Poor timing may doom offshore drilling plan in Southeast

The rising threat of radon

Just say no to 'Dirty Gold'

Aging sewers are polluting the nation's waterways

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