1 In 5 Wells Contain Harmful Trace Element Levels: US

Law360, New York (August 30, 2011, 1:31 PM EDT) -- Trace elements such as manganese and arsenic are found in concentrations potentially dangerous to human health in about one of five untreated groundwater samples taken from wells nationwide, the U.S. Geological Survey reported Tuesday.

A new USGS study noted that trace elements are much more likely than other contaminants such as pesticides and volatile organic compounds to be found at what the U.S. Environmental Protection Agency considers to be potentially hazardous levels in public, private and monitoring wells. Different trace elements can cause cancer, kidney disease...
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