Los Alamos wildfire at crucial stage

Radioactive materials seen as safe

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LOS ALAMOS, N.M. — A wildfire burning near the desert birthplace of the atomic bomb advanced on the Los Alamos laboratory and thousands of outdoor drums of plutonium-contaminated waste Tuesday as authorities stepped up efforts to protect the site and monitor the air for radiation.

Officials at the nation’s premier nuclear-weapons lab gave assurances that dangerous materials were safely stored and capable of withstanding flames from the 93-square-mile fire.

A small patch of land at the laboratory caught fire Monday before firefighters quickly put it out. Teams were on high alert to pounce on any new blazes and spent the day removing brush and low-hanging tree limbs from the lab’s perimeter.

“We are throwing absolutely everything at this that we got,” Sen. Tom Udall, New Mexico Democrat, said in Los Alamos.

The fire has forced the evacuation of the entire city of Los Alamos, population 11,000, cast giant plumes of smoke over the region and raised fears among nuclear watchdogs that it will reach as many as 30,000 55-gallon drums of plutonium-contaminated waste.

“The concern is that these drums will get so hot that they’ll burst. That would put this toxic material into the plume. It’s a concern for everybody,” said Joni Arends, executive director of the Concerned Citizens for Nuclear Safety, an anti-nuclear group.

The organization is also worried that the fire could stir up nuclear-contaminated soil on lab property, where experiments were conducted years ago.

Lab officials said there was very little risk of the fire reaching the drums of low-level nuclear waste, since the flames would have to jump through canyons first. Officials also stood ready to coat the drums with fire-resistant foam if the blaze got too close.

Lab spokeswoman Lisa Rosendorf said the drums contain Cold War-era waste that the lab sends away in weekly shipments for storage. She said the drums were on a paved area with few trees nearby.

“These drums are designed to a safety standard that would withstand a wildland fire worse than this one,” Ms. Rosendorf said.

Los Alamos employs about 15,000 people, covers more than 36 square miles, includes about 2,000 buildings at nearly four dozen sites and plays a vital role in the nation’s nuclear program.

The lab was created during World War II as part of the Manhattan Project to build the atomic bomb. It produced the weapons that were dropped on Hiroshima and Nagasaki in Japan.

In the decades since, the lab has evolved into a major scientific and nuclear research facility. It works on extending the life of aging nuclear bombs, tests warheads, produces triggers for nuclear weapons and operates supercomputers and particle accelerators.

Many of the buildings were also constructed to meet strict standards for nuclear safety, and aggressive wildfires were taken into account, lab spokesman Kevin Roark said.

“We’ll pre-treat with foam if necessary, but we really want the buildings to stand on their own for the most part. That is exactly how they’ve been designed. Especially the ones holding anything that is of high value or high risk,” said Deputy Los Alamos County Fire Chief Mike Thompson.

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