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Video shows blasts at nuclear waste dump site that shut down U.S. 95 via Las Vegas Review-Journal

A video of Sunday’s explosions that preceded a fire in a state-owned radioactive waste trench at the US Ecology site 10 miles south of Beatty shows white smoke emanating from the soil before the ground erupts, shooting debris and more white smoke into the air.

The 40-second cellphone video, released Thursday by the Nevada Department of Public Safety two days after the Las Vegas Review-Journal had requested it, was taken from a berm atop Trench No. 11 overlooking the soil cap of Trench No. 14.

Trench No. 14 is where containers of low-level radioactive waste were buried in part of a pit the size of a football stadium in the 1970s.

Authorities shut down a 140-mile stretch of U.S. Highway 95 for nearly 24 hours because of the fire and flash floods during Sunday’s heavy rains in Nye County. Beatty is about 117 miles northwest of Las Vegas.

State Fire Marshal Chief Peter Mulvihill said Tuesday investigators don’t know yet what caused the “energetic burning” in that pit Sunday but whatever caught fire below the surface of the unlined, clay terrain “definitely burned very hot.”

The state’s public safety team decided to allow the fire to burn itself out instead of trying to douse it because they didn’t want to put water on any material that might be reactive to water, fearing that could potentially exacerbate the problem.

[…]

For 30 years — from 1962 through 1992 — the dump operated by US Ecology and its predecessor, Nuclear Engineering Co., on state land leased to the companies was one of a few graveyards in the United States for disposing low-level nuclear waste along with sites in Barnwell, S.C., and Richland, Wash.

The Beatty dump, as it is sometimes called, occupies a stark, treeless stretch in the Amargosa Desert. It looks harmless from US. 95 with the appropriately named Bare Mountains off in the distance.

US Ecology continues to operate a 40-acre landfill for hazardous waste adjacent to the 40-acre landfill for low-level radioactive waste that closed Jan. 1, 1993. That’s when US Ecology was forced to shut its gates to nuclear waste haulers because of a federal law that required individual states to open their own dumps or join compacts with other states for regional disposal of low-level radioactive waste.

Items buried in the low-level nuclear waste dump include contaminated laboratory gear, medical isotopes and nuclear reactor crud but not highly radioactive used-nuclear-fuel assemblies, the type of high-level waste the government has planned to entomb in Yucca Mountain, 100 miles northwest of Las Vegas.

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