Safety Agency to Probe Fracking Risks After Deaths of 4 Workers

By Jim Efstathiou Jr. | May 20, 2014

The Obama administration is investigating the health risks of hydraulic fracturing after at least four deaths among oilfield workers since 2010 in North Dakota and Montana.

The National Institute for Occupational Safety and Health said the workers were exposed to high levels of volatile hydrocarbons during the drilling process known as fracking.

“NIOSH is actively conducting research on exposures for workers,” Christina Spring, a spokeswoman with NIOSH’s parent agency, the Centers For Disease Control and Prevention, said today in an e-mail.

Fracking that has helped push U.S. oil and gas production to record levels also has spurred worries about tainted water as well as earthquakes triggered by pumping the wastewater underground.

In fracking, chemically treated water and sand are injected into shale rock to free trapped oil and gas. When the fluid returns to the surface as wastewater, it contains volatile hydrocarbons from the rock formation, according to the NIOSH. The fluid is temporarily stored in tanks or pits on the surface.

Hydrocarbons can affect the eyes, lungs and nervous system and at high levels also may lead to an abnormal heartbeat, NIOSH said today in a blog post. Workers can be at risk when they measure the fluid in the tanks with hand-held gauges using access hatches.

Williston Basin

The deaths occurred at wells in the Williston Basin in North Dakota and Montana, the institute said, citing media reports and government agencies. Some of the deaths remain under investigation.

“Often these fatalities occurred when the workers were performing their duties alone,” according to the blog post.

The institute is asking oil and gas drillers to help assess the risks of exposure to chemicals used in fracking fluids. It is recommending that companies develop different ways to measure the fluid stored in tanks and to provide hazard awareness training.

“We are also looking to convene a meeting in the near future with our partners to look at the data that we currently have and discuss a path forward in collecting additional data, potentially through environmental sampling or other avenues,” NIOSH’s Spring said.

A spokesman for the American Petroleum Institute, the largest trade group for the oil and gas industry, had no immediate comment on the agency’s posting.

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Case Before Ohio Court May Impact Future Coverage for Fracking Liability

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  • May 20, 2014 at 1:34 pm
    Alan Burger says:
    The administration is investigating these four tragic deaths, but not Bengazi?
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