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New Mexico radiation leak raises concerns

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FILE – This undated file aerial photo shows the Waste Isolation Pilot Plant near Carlsbad, N.M. Back-to-back accidents and a never-supposed-to-happen above-ground radiation release have shuttered the federal government’s only deep underground nuclear waste dump indefinitely, raising questions about a cornerstone of the Department of Energy’s $5 billion-a year-program for cleaning up legacy waste scattered across the country from decades of nuclear bomb making. Thirteen workers have tested positive for radiation exposure after a recent leak. (AP Photo/Carlsbad Current Argus, File)

FILE – This undated file aerial photo shows the Waste Isolation Pilot Plant near Carlsbad, N.M. Back-to-back accidents and a never-supposed-to-happen above-ground radiation release have shuttered the federal government’s only deep underground nuclear waste dump indefinitely, raising questions about a cornerstone of the Department of Energy’s $5 billion-a year-program for cleaning up legacy waste scattered across the country from decades of nuclear bomb making. Thirteen workers have tested positive for radiation exposure after a recent leak. (AP Photo/Carlsbad Current Argus, File)

In this Feb. 24, 2014 photo, a member of the community speaks of the Feb. 14, 2014 radiation leak during a community meeting in Carlsbad, N.M. New Mexico Sen. Tom Udall says he will ask the Environmental Protection Agency to send air monitors to southeastern New Mexico following a radiation release from the federal government’s underground nuclear waste dump near Carlsbad. Udall says he will send a letter Thursday requesting the portable monitors. Udall says the health and safety of the community and workers at the Waste Isolation Pilot Plant are his top priority. The EPA has regulatory authority over the site and any airborne radiation releases. (AP Photo/Jeri Clausing)

This Feb. 24, 2014 photo shows the Waste Isolation Pilot Plant in Carlsbad, N.M. Officials held a news conference to discuss preliminary test results that indicate 13 workers worker were exposed to radiation during a leak Feb. 14, 2014, from the nation’s first underground nuclear waste dump. New Mexico Sen. Tom Udall says he will ask the Environmental Protection Agency to send air monitors to southeastern New Mexico following a radiation release from the federal government’s underground nuclear waste dump near Carlsbad. Udall says he will send a letter Thursday requesting the portable monitors. Udall says the health and safety of the community and workers at the Waste Isolation Pilot Plant are his top priority. The EPA has regulatory authority over the site and any airborne radiation releases. (AP Photo/Jeri Clausing)

In this Feb. 24, 2014 photo, Farok Sharif, president of the Nuclear Waste Partnership speaks during a community meeting in Carlsbad, N.M. New Mexico Sen. Tom Udall says he will ask the Environmental Protection Agency to send air monitors to southeastern New Mexico following a radiation release from the federal government’s underground nuclear waste dump near Carlsbad. Udall says he will send a letter Thursday requesting the portable monitors. Udall says the health and safety of the community and workers at the Waste Isolation Pilot Plant are his top priority. The EPA has regulatory authority over the site and any airborne radiation releases. (AP Photo/Jeri Clausing)

Map locates the Waste Isolation Pilot Plant in New Mexico.; 2c x 3 inches; 96.3 mm x 76 mm;

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ALBUQUERQUE, N.M. (AP) — The radiation exposure of at least 13 workers at a nuclear dump in a New Mexico salt bed more than 2,000 feet below the ground has brought new attention to the nation’s long struggle to find places to dispose of tons of Cold War-era waste.

The above-ground radiation release that exposed the workers during a night shift two weeks ago shut down the facility as authorities investigate the cause and attempt to determine the health effects on the employees. The mishap has also raised questions about a cornerstone of the Department of Energy’s $5-billion-a-year program for cleaning up waste scattered across the country from decades of nuclear-bomb making.

With operations at the Waste Isolation Pilot Plant on hold, so are all shipments, including the last of nearly 4,000 barrels of toxic waste that Los Alamos National Laboratory has been ordered to remove from its campus by the end of June. Other waste from labs in Idaho, Illinois and South Carolina is also without a home while operations are halted.

The dilemma about what to do with the nuclear waste is highly politicized.

The government spent an estimated $15 billion on a proposed nuclear waste dump at Nevada’s Yucca Mountain that has not been completed. The Yucca site is fiercely opposed by Nevada lawmakers, including Senate Majority Leader Harry Reid.

By contrast, New Mexico’s congressional delegation has largely supported the Waste Isolation Pilot Plant, which has been accepting waste since 1999 and employs about 650 people. The site is limited by law to plutonium waste from making weapons, but experts say salt beds at the site may be suitable for radioactive waste from commercial reactors.

In an example of the dilemma that communities nationwide face over nuclear waste, documents obtained Friday by The Associated Press found that there are “significant construction flaws” in some storage tanks at Washington state’s Hanford nuclear waste complex. Taxpayers spend about $2 billion a year to clean up radioactive waste at the site.

Many scientists consider the unique geology of the New Mexico location to be ideal for disposing of tainted materials like tools, gloves, glasses and protective suits. Over decades, with pressure from the ground above, the salt deposits settle around the containers and entomb them.

Edwin Lyman, a nuclear expert at the watchdog group Union of Concerned Scientists, said the accident could curb enthusiasm on Capitol Hill for the underground site.

“I think from a political standpoint this is going to put a damper on some of the more ambitious expansion plans,” he said. “The narrative is that facility is super-safe. Now that they’ve had a serious incident, that’s no longer valid.”

Officials said they don’t yet know what doses of radioactive material the workers absorbed,

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