Sentence examples for contaminated underground from inspiring English sources
The Fukushima Dai-ichi plant has been leaking hundreds of tons of contaminated underground water into the sea since shortly after the 2011 earthquake and tsunami damaged the complex.
For decades, oil and gas industry executives as well as regulators have maintained that a drilling technique known as hydraulic fracturing, or fracking, that is used for most natural gas wells has never contaminated underground drinking water.
But the operator has told regulators that it believes the barrier failed to stop the water, instead acting as a dam that pooled the contaminated underground water behind it until it flowed over the top of the barrier toward the sea.
Some areas which appeared unaffected were actually "severely contaminated" underground, Unep said.
An analytical model is used to simulate the effects of partial source removal and plume remediation on ethylene dibromide (EDB) and 1,2-dichloroethane (1,2-DCA) plumes at contaminated underground storage tank (UST) sites.
Indeed, in December, U.S. Environmental Protection Agency issued a draft report concluding that fracking has contaminated underground drinking water supplies in Wyoming.
Once chemicals contaminate underground drinking-water sources, they are very difficult to remove, according to federal and industry studies.
Critics contend that the gas extraction technique risks contaminating underground drinking water sources with toxic chemicals that can cause cancer and other illnesses.
Hydrofracking has attracted increased scrutiny from lawmakers and environmentalists in part because of fears that the chemicals used during the process can contaminate underground sources of drinking water.
But concerns have been growing over the potential for fracking chemicals — particularly those found in diesel fuel — to contaminate underground sources of drinking water.
The dump, expected to cost $75 million, will be a concrete-lined hole in the ground set in nearly impermeable red clay, which is supposed to prevent the waste from contaminating underground water supplies.
