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Report: Iran poised to double output of uranium

| Friday, Nov. 16, 2012, 9:44 p.m.

SALZBURG, Austria — Iran is poised to double its output of higher-enriched uranium at its fortified underground facility, the U.N. nuclear agency said on Friday — a development that puts Tehran within months of being able to make the core of a nuclear warhead.

The finding calls into question a tentative new U.S. plan meant to induce Tehran to compromise on its nuclear program by offering a rollback of crippling new anti-Iran sanctions if Tehran cuts back on enriching uranium to 20 percent.

In its report, the International Atomic Energy Agency said Iran was ready within days to ramp up its production of 20 percent enriched uranium at its plant at Fordo using 700 more centrifuges.

That would double Iran's output and cut in half the time it would take to acquire enough of the substance needed to make a nuclear weapon, reducing it to just over three months.

Iran says it has no interest in making nuclear arms, just nuclear power for its citizens, but the United States and other nations believe otherwise. Iran has refused to give up enrichment despite international sanctions and offers of reactor fuel from abroad and for years has stalemated an IAEA probe of suspicions that it worked secretly on developing such arms.

The report urged Iran to stop stalling the IAEA probe, declaring that unless it starts to cooperate the IAEA cannot “exclude the existence of possible military dimensions to Iran's nuclear program.”

The report clashed with comments by Israeli officials suggesting that Iran has slowed the timetable for reaching the ability to make nuclear weapons. The discrepancy is important because the earlier Israeli comments implied that Israel would have more time before deciding whether to hit Iranian facilities in an attempt to slow Tehran's perceived efforts to make nuclear weapons.

The IAEA report said that between the last IAEA board report in August and now, Iran had put nearly 700 centrifuges that were installed but not ready to operate at Fordo under a vacuum to make sure they are airtight.

That is the last step before uranium gas is fed into the centrifuges and the process or enrichment begins — an activity that can produce both reactor fuel or at high levels the fissile interior of a nuclear weapon. It takes only a few days to start enrichment with machines that are under vacuum.

The centrifuges, “having been subjected to vacuum testing, were ready for feeding” with uranium gas, the report said.

About 700 other centrifuges have been producing 20 percent uranium at Fordo since early this year. An additional 1,400 or so have been installed but are not yet believed operational — bringing the total to about 2,800.

While experts agree that the Islamic Republic could assemble enough weapons-grade uranium to arm a nuclear weapon relatively quickly, they point out that this is only one of a series of steps need to create a working weapon. They say that Tehran is believed to be years away from mastering the technology to manufacture a fully operational warhead.

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