Uranium

U.S. Forest Service

Water tested at a mine near the south rim of the Grand Canyon shows three times the uranium content allowed under federal drinking water standards. Arizona Public Radio’s Ryan Heinsius reports, the Arizona Department of Environmental Quality says the mine’s owner is disposing of it.


EPA

The U.S. Environmental Protection Agency has awarded a grant to Diné College to study abandoned uranium mines. It’ll allow students on the Navajo Nation to develop cleanup strategies at 50 of the most dangerous sites. Arizona Public Radio’s Ryan Heinsius reports.


Donald Bills, USGS

A new study from the U.S. Geological Survey shows uranium in Pigeon Spring, north of the Grand Canyon, is likely not related to a nearby mine. The research is part of a larger effort to understand the impacts of uranium mining in the region.


Donald Bills, USGS

A federal agency says elevated levels of uranium found in a spring on the northern edge of Grand Canyon National Park is likely due to a natural source of the radioactive element and not related to an inactive mine.

Joshua Lott for The New York Times

 

The federal government has reached another settlement for cleanup work at abandoned uranium mines across the Navajo Nation.

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