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West, Iran activate landmark nuclear deal

Updated: 2014-01-21 01:00
( Agencies)

IAEA

Under the interim deal, Iran agreed to suspend enrichment of uranium to a fissile concentration of 20 percent, a short technical step away from the level needed for nuclear weapons.

It also has to dilute or convert its stockpile of this higher-grade uranium, and cease work on the Arak heavy water reactor, which could provide plutonium, an alternative to uranium for bombs.

The IAEA said Tehran had begun the dilution process and that enrichment of uranium to 20 percent had been stopped at the two facilities where such work is done.

"The Agency confirms that, as of Jan 20, 2014, Iran ... has ceased enriching uranium above 5 percent U-235 at the two cascades at the Pilot Fuel Enrichment Plant (PFEP) and four cascades at the Fordow Fuel Enrichment Plant (FFEP) previously used for this purpose," its report to member states said.

It was referring to Iran's two enrichment plants, at Natanz and Fordow. Cascades are linked networks of centrifuge machines that spin uranium gas to increase the concentration of U-235, the isotope used in nuclear fission chain reactions, which is found in nature at concentrations of less than 1 percent.

The US government estimates the value to Iran of sanctions relief at about $7 billion in total, although some diplomats say much will depend on the extent to which Western companies will now seek to re-enter the Iranian market.

DOUBTS

Analysts said much was still unclear about how world powers could achieve their goal of ensuring Iran cannot, secretly or otherwise, develop the capability to build a nuclear weapon.

Mark Dubowitz, head of the Foundation for Defense of Democracies in Washington and a proponent of tough sanctions on Iran, said that by providing short-term economic relief, the West was losing future bargaining power with Tehran.

"The interim deal does nothing over the next 12 months to prevent Iran from proceeding with the nuclear-weapon and ballistic-missile research that are the keys to a deliverable nuclear weapon," he said. "Ahead of final negotiations, Tehran will be in a stronger position to block peaceful Western efforts to dismantle its military-nuclear programme."

The UN nuclear watchdog will play a key role in checking that Iran implements the deal, but its increased access falls short of what it says it needs to investigate suspicions that Tehran may have worked on designing an atomic bomb in the past.

"The accord gives the powers and Iran plenty of flexibility in going about reducing Iran's nuclear threat to a level the world will accept," said Mark Hibbs of the Carnegie Endowment. "But it hasn't spelled out how they will work with the IAEA to resolve allegations Iran has been working on nuclear weapons."

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