Showing posts with label nuclear security. Show all posts
Showing posts with label nuclear security. Show all posts

US and Ukraine sign deal to remove uranium

US and Ukraine

The United States and Ukraine signed a deal Monday to take away the former Soviet country's stockpile of weapons-grade uranium by early next year.Secretary of State Hillary Rodham Clinton and Ukrainian Foreign Minister Kostyantyn Gryshchenko represent their nations in signing the agreement to remove the stockpile, which could offer enough material to build several nuclear weapons.

The deal was announce last year at an international nuclear security conference hosted by President Barack Obama but was not dignified until Monday Clinton and Gryshchenko had hoped to sign the deal in July, but it was belated amid Ukrainian reservations, according to U.S. officials among other reasons, Ukraine wanted assurance that the United States would complete a $25 million nuclear research ability called for under the deal.

The research facility will be able to produce 50 different types of medical isotopes, using only low-enriched uranium and Clinton said the U.S. was fully dedicated to meeting the timelines for construct the facility so it would be up and running by 2014.

Nuclear Agency Officials Defend Reduce in Nonproliferation Funds

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The Obama administration yesterday defended its proposal to cut nearly $140 million in payments for one agency's efforts to avoid the spread of nuclear weapons around the world. The National Nuclear Security Administration, a semiautonomous branch of the Energy Department, would get about $11.8 billion in fiscal 2012, an overall expenditure boost of 5 percent. That budget cycle starts on October 1. The White House spending plan asks for $2.5 billion for the agency's "protection nuclear nonproliferation" account, a more than 5 percent, or $138 million, reduce from the present budget cycle request. The program has oversight of the agency's different global efforts to prevent the extend of nuclear material.

Meanwhile, the agency's "weapons activities," which encompass all measures that directly sustain the nation's thermonuclear stockpile, would get $7.6 billion, an 8.9 percent boost from the still-unrealized fiscal 2011 proposal. "It's a shock to me that this budget is reduced," House Appropriations Energy and Water Development Subcommittee top Democrat Ed Pastor (Ariz.) said in his opening report during a hearing on the NNSA nonproliferation and naval reactor programs. "I'd like to realize why, given all the attention to securing fissile material, this account sees reduce when the remainder of NNSA is increasing."

Nonproliferation has been near the top of President Obama's policy program since an April 2009 speech in Prague in which he called for a world free of nuclear weapons. Obama last year assemble a two-day summit in Washington at which leaders from almost 50 nations pledged to secure the global stores of loose nuclear material within four years. "I look onward to hearing how this budget moves those efforts ahead," panel Chairman Rodney Frelinghuysen said yesterday. Pastor asked whether the newest budget request show the administration is backing away from the president's ambitious pledge.

Nuclear shipment angers metropolis

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City of Montreal officials have together critics from across Quebec and Ontario in condemning a decision to permit a huge shipment of radioactive waste to travel through the St. Lawrence Seaway. The Canadian Nuclear Safety Commission said Friday it will matter a licence to Ontario’s Bruce Power plant give it permission to ship 16 school bus size decommissioned steam maker through the Great Lakes and the Seaway to a recycling plant in Sweden.

The Canadian Nuclear Safety Commission ruled that the 16 steam generator every weighing 100 tonnes and contain a deadly cocktail of nuclear waste products, including plutonium 239 can be transported safely by water. “The risk to people and the environment is negligible,” according to the commission. “If forever there was a time to go back to the drawing board, it is now,” Alan DeSousa, vice-chairman of Montreal’s executive committee, said Sunday in condemning the commission’s decision.

In October, DeSousa said, Montreal city council passed a declaration unanimously opposing the shipment because of the risk it presents not just to Montreal but to community all along the St. Lawrence River and around the Great Lakes. “The safety of our residents cannot be dismiss as a negligible risk,” DeSousa said. Together, the Great Lakes and the St. Lawrence make up the world’s major source of fresh water, a precious resource on which 40 million people rely on for drinking water. 

United States help Ukraine send two bombs value of uranium to Russia

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The United States has help Ukraine send two atomic bombs worth of weapons grade uranium to Russia through a secret process over the holidays, the Obama administration confirmed Thursday on msnbc's The Rachel Maddow Show. The elimination of more than 111 pounds of highly enriched uranium followed a pledge by Ukrainian President Viktor Yanukovych to obtain rid of all of his country's extremely enriched uranium by April 2012.

"The Ukraine, they recognize they’re division of the international community, they know how dangerous this material is," Thomas D’Agistino, head of the National Nuclear Security Administration, tell Maddow. The material will be blend down in Russia, representation it useless for bomb making, the connected Press said. Yanukovych decided to give up the uranium in a multinational contract announced at a nuclear security summit hosted by President Barack Obama in April.

Shipments like the one just finished from Serbia result in permanent threat reduction because they remove weapons-usable nuclear material at civilian sites. Securing the amterial will avoid it from lessening into the wrong hands, officials say. As an inducement, the United States is given that replacement low-enriched uranium that can be used for Ukraine's research reactors. The summit contract also has the United States construction a $25 million "neutron source facility" nuclear research project for Ukraine, the administration said. The facility will be capable to make 50 different types of medical isotopes, using only low enriched uranium.

Moscow, Washington attain Uranium Deal

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Russia and the United States decided Tuesday to carry out a feasibility study on removing bomb grade uranium from Russian research reactors. “Together we have done a great contract in returning fuel from third countries. But it is right that we set a model in our countries, too,” said Rosatom general director Sergei Kiriyenko as he signed the contract with U.S. Deputy Energy Secretary Daniel Poneman in Moscow. This is the first time Russia has dedicated to replacing the weapons grade fuel in its own research reactors under a U.S. led program to safe the world's vulnerable nuclear materials, still though it has taken a guide role in repatriating fuel from other countries.

There are an estimated 120 to 130 research reactors in the world that are fueled by weapons score uranium, about half of which are in Russia. Fearing that terrorists could use stolen fabric to make a bomb, the United States has been sponsoring a drive to change reactors to use less-enriched fuel. Kiriyenko said the viability studies would examine the economic implications of converting six research reactors to low-grade fuel. He declined to set a date by which the process of conversion might be finished. The Rosatom chief said Russia and the United States had so far been intent on repatriating fuel from countries with more vulnerable services, together importing 2,700 kilograms of highly enriched uranium, which he said was sufficient to make 112 warheads.

Nuclear security expert Matthew Bunn hailed the contract as “important progress,” but said it had been “a long time coming.” “I would like to have seen by now real action on the ground to convert quite a number of these reactors, which are plainly possible to convert. But it's betters than nothing,” said Bunn, who publishes an annual report titled "Securing the Bomb" and is a past advisor to the U.S. government on nuclear security. More milestones in nonproliferation were reached past week when Russia announces that it had opened the world's primary uranium bank. The Siberian fuel keep is the first of some such banks that will operate under the auspices of the UN nuclear watchdog, the International Atomic Energy Agency.

U.S. get medical isotope prepared from low grade uranium

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The NNSA, part of the U.S. Department of Energy, said NTP Radioisotopes Ltd in South Africa deliver a big shipment of the medical isotope molybdenum-99 made from low grade uranium to in private held Lantheus Medical, which processes the fabric for medical tests. The shipment proves it is probable to make medical isotopes without using weapons grade uranium, removing the possible threat that the material could be unfocused by terrorists and undercutting arguments by Iran that it must produce highly enriched uranium to get together its need for medical isotopes, said Dr Robert Atcher, past president of the civilization of Nuclear Medicine and chairman of the group's Medical Isotope Task Force.

"It's negates that arguments as far the Iranian explanations for their enrichment program," Atcher said in telephone interview. NNSA said the material has been accepts by the U.S. Food and Drug Administration. It is regularly made in nuclear reactors from highly enriched uranium or HEU, which can also be used to expand nuclear weapons. Gary Samore, who oversees policy on weapons of mass obliteration at the White House, said the move to create medical isotopes from low enriched uranium represent and significant marriage of peaceful uses of nuclear technology and nuclear security goals.

"Years ago we needed HEU to give the isotopes for diagnosis and treatment of disease. Now we can do it without using highly responsive nuclear materials," Samore said in a statement. Technetium-99, a radioactive byproduct of molybdenum-99, is used in more than 14 million nuclear medicine actions in the United States each year, representing a $60 to $65 million market. It is used primarily to sense heart disease and cancer. The United States presently does not have the capability to produce molybdenum-99 domestically and imports 100 percent of it are provide from foreign producers.