New document reveals easing constraints on Iran nuclear deal
The report says that Tehran's ability to build a bomb could exist before the end of the pact
Key restrictions on Iran’s nuclear programme imposed under an internationally negotiated deal will start to ease years before the 15-year accord expires, advancing Tehran’s ability to build a bomb even before the end the pact, according to reports.
The document obtained by The Associated Press is the only text linked to last year’s deal between Iran and six foreign powers that has not been made public, although US officials say members of Congress have been able to see it.
It was given to the AP by a diplomat whose work has focused on Iran’s nuclear programme for more than a decade, and its authenticity was confirmed by another diplomat who possesses the same document.
The diplomat who shared the document with the AP described it as an add-on agreement to the nuclear deal. But while formally separate from that accord, he said that it was in effect an integral part of the deal and had been approved both by Iran and the US, Russia, China, Britain, France and Germany, the six powers that negotiated the deal with Tehran.
Details published earlier outline most restraints on Iran’s nuclear programme meant to reduce the threat that Tehran will turn nuclear activities it says are peaceful to making weapons.
But while some of the constraints extend for 15 years, documents in the public domain are short on details of what happens with Iran’s most proliferation-prone nuclear activity – its uranium enrichment – beyond the first 10 years of the agreement.
The document says that as of January 2027 – 11 years after the deal was implemented -Iran can start replacing its mainstay centrifuges with thousands of advanced machines.
Centrifuges churn out uranium to levels that can range from use as reactor fuel and for medical and research purposes to much higher levels for the core of a nuclear warhead. From year 11 to 13, says the document, Iran can install centrifuges up to five times as efficient as the 5,060 machines it is now restricted to using.
Those new models will number less than those being used now, ranging between 2,500 and 3,500, depending on their efficiency, according to the document. But because they are more effective, they will allow Iran to enrich at more than twice the rate it is doing now.
The US says the Iran nuclear agreement is tailored to ensure that Iran would need at least 12 months to “break out” and make enough weapons grade uranium for at least one weapon.
But based on a comparison of outputs between the old and newer machines, if the enrichment rate doubles, that breakout time would be reduced to six months, or even less if the efficiency is more than double, a possibility the document allows for.
The document also allows Iran to greatly expand its work with centrifuges that are even more advanced, including large-scale testing in preparation for the deal’s expiry 15 years after its implementation on January 18.
A US official noted, however, that the limit on the amount of enriched uranium Iran will be allowed to store will remain at 300kg for the full 15 years, significantly below the amount needed for a bomb. As well, it will remain restricted to a level used for reactor fuel that is well below weapons grade.
“We have ensured that Iran’s breakout time comes down gradually after year 10 in large part because of restrictions on its uranium stockpile until year 15,” the official said.
“As for breakout times after the initial 10 years of the deal, the breakout time does not go off a cliff nor do we believe that it would be immediately cut in half, to six months.”
The document does not say what happens with enrichment past year 13. That indicates a possible end to all restrictions on the number and kind of centrifuges even while constraints on other, less-proliferation prone nuclear activities remain until year 15.
Iran insists it is not interested in nuclear weapons, and the pact is being closely monitored by the International Atomic Energy Agency (IAEA).
The IAEA says Tehran has essentially kept to its commitments since the agreement was implemented, a little more than six months after Iran and the six powers finalized it on July 14, 2015.
Marking the agreement’s anniversary on Thursday, President Barack Obama said it has succeeded in rolling back Iran’s nuclear program, “avoiding further conflict and making us safer.”
But opposition from US Republicans could increase with the revelation that Iran’s potential breakout time would be more than halved over the last few years of the pact.
Also opposed is Israel, which in the past has threatened to strike Iran if it deems that Tehran is close to making a nuclear weapon.
Alluding to that possibility, David Albright, whose Washington-based Institute for Science and International Security is a US government go-to resource on Iran’s nuclear programme, said the plan outlined in the document “will create a great deal of instability and possibly even lead to war, if regional tensions have not subsided.”
The deal provides Iran with sanctions relief in exchange for its nuclear constraints. But before going into recess, US Congress last week approved a bill to impose new sanctions for Tehran’s continuing development and testing of ballistic missiles, a programme the White House says is meant to carry atomic warheads even if it is not part of the nuclear agreement.
It also approved a measure that calls for prohibiting the Obama administration from buying more of Iran’s heavy water, a key component in certain nuclear reactors.
The White House has said removing the country’s surplus heavy water denies Tehran access to a material that may be stored for potential nuclear weapons production. But critics note that the purchase was made only after Iran exceeded heavy water limits proscribed by the nuclear deal and assert it rewarded Tehran for violating the agreement.
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