Iran breaches enriched uranium limit

Iran nuclear deal: Enriched uranium limit ‘breached’

Iran has breached the limit on its stockpile of low-enriched uranium set under a 2015 nuclear deal with world powers, Iranian media report.

Isna news agency cited the foreign minister as confirming the 300kg (660lb) cap had been exceeded.
The International Atomic Energy Agency said it would be filing a report.
Iran stepped up production of enriched uranium, which is used to make reactor fuel and potentially nuclear weapons, in response to reinstated US sanctions.
European nations have warned that any violation will bring consequences.
If the breach is confirmed by the IAEA, the deal allows for the re-imposition of multilateral sanctions that were lifted in return for Iran limiting its nuclear activities.
“Based on what I have been told, Iran has exceeded the 300kg limit in accordance with its plan. We had announced it previously.” Foreign Minister Mohammad Javad Zarif was quoted by Isna as saying on Monday afternoon.
“We have clearly said what we will do and we will act accordingly. We deem it as part of our rights under the Joint Comprehensive Plan of Action,” he added, referring to the official name of the nuclear deal.
Earlier, Fars news agency cited a source as saying that IAEA inspectors had measured the stockpile on Monday and confirmed it had surpassed the cap.
An IAEA spokesman told the BBC that it was aware of the reports, adding: “Our inspectors are on the ground and they will report to headquarters as soon as the LEU [low-enriched uranium] stockpile has been verified.”
The development comes at a time of high tension in the Middle East, with Iran shooting down a US drone over the Strait of Hormuz in disputed circumstances, and the US accusing Iran of being behind two sets of attacks on oil tankers.

Why has Iran breached the stockpile limit?

The Iranian economy has slumped since the US withdrew from the nuclear deal in May 2018 and began reinstating sanctions targeting its oil and banking sectors.
Mr Trump said the deal was flawed and that he wanted to force Iran’s government to renegotiate the terms – something it refused to do.
In May, after the US ended exemptions from penalties for countries still importing Iranian oil – and those exchanging surplus Iranian low-enriched uranium for ore concentrate – Iranian President Hassan Rouhani announced that it would no longer comply with the 300kg enriched uranium cap.
Mr Rouhani also gave the five countries still party to the deal – the UK, France, Germany, China and Russia – until 7 July to meet their commitment to shield Iran from the sanctions’ effects.
If they failed, he said, Iran might start enriching uranium beyond 3.67% concentration, and also halt the redesign of a heavy-water nuclear reactor at Arak.

Why does this matter?

The nuclear deal is likely to collapse if Iran is found to be in “material breach” as a result of it violating the stockpile limit or other restrictions on uranium enrichment.
After 30 days, any of the other parties would be able to “snap back” the UN sanctions lifted under Security Council resolution 2231, which endorsed the deal. Such a step cannot be vetoed.
Iran’s threat to enrich uranium beyond 3.67% is also a major concern from a proliferation standpoint.
Iran insists its nuclear programme is peaceful, but experts say 20% enriched uranium is most of the way to weapons-grade uranium. That is because going from uranium’s natural state of 0.7% concentration of U-235 to 20% takes approximately 90% of the total effort required to get to weapons-grade.
The Arak reactor is also a proliferation risk because if it is not redesigned it will produce spent fuel containing plutonium, which could be used for a nuclear bomb.

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