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Fracking Increases Radon Gas Hazard, US Study Finds

Fracking Increases Radon Gas Hazard, US Study Finds

Levels of the carcinogenic gas rising in Pennsylvanian homes near industry sites.

Another major U.S. health study has found that the hydraulic fracking of unconventional rock formations can liberate and accelerate the release of radon, a highly carcinogenic gas.

Researchers at Johns Hopkins Bloomberg School of Public Health found that radon levels in U.S. homes in Pennsylvania have been on the rise ever since fracking of the Marcellus shale began in 2004.

The study, published in Environmental Health Perspectives, found that buildings in areas of the most active shale gas mining had significantly higher readings of radon compared to buildings located in areas of low well density and fracking activity.

The study looked at radon levels in more than 700,000 structures between 2004 and 2013. Buildings using well water had 21 per cent higher indoor radon concentrations than homes using municipal water, the study reported. “The release of waterborne radon during showering or washing can contribute to concentrations in buildings,” it said.

Radon can be found in well water, natural gas and the atmosphere wherever rock formations or soils contain lots of decaying uranium. Lung cancer caused by radon kills about 3,000 Canadians a year.

The U.S. findings collaborate and strengthen earlier studies by Australian researchers at Southern Cross University as well as recent shale gas research in Colorado. All suggest that the industrial activity of fracking can speed up the release of the odourless and tasteless gas in geologies already rich in uranium.

 

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