Sentence examples for caused contamination from inspiring English sources

Second, leaching of contaminants from the coal ash caused contamination of surface waters in areas of restricted water exchange, but only trace levels were found in the downstream Emory and Clinch Rivers due to river dilution.

Fracking has caused contamination of surface and groundwater in other states and harmed drinking water in some communities, according to a number of reports from local environmental organizations.

The company has already been providing expensive water filtering systems to many residents despite what it says is a lack of any credible evidence that it caused contamination.

The Supreme Court announced that its building would be closed at least through Monday for environmental testing to determine whether any mail that passed through its mail screening center in Forestville, Md., had caused contamination.

The concerns over fracking follow its widespread use in the US in the last few years, which environmentalists say has caused contamination of water supplies, gas leaks and the despoliation of the countryside over wide areas there.

At a site with discontinuous permafrost in Fairbanks, Alaska, releases of trichloroethene (TCE), an industrial solvent, have caused contamination of the groundwater.

"It's now clear that EPA had prior knowledge that fracking does cause contamination of groundwater and contaminate the air we breathe," Wilson concludes.

Unwashed plastics can also cause contamination.

Mixing metals or plastic can cause contamination and will reduce the reuse value.

Mitchley says it is hard to imagine what kind of accident could cause contamination.

They have been known to cause contamination of livestock feed and human food.