U.N. Agency Warns Iran on Nuclear Deal Notice follows disclosure that Iran had produced more than the permitted amount of heavy waterBy Laurence Norman

http://www.wsj.com/articles/u-n-agency-warns-iran-on-nuclear-deal-1479387941

The head of the United Nations agency that oversees the Iranian nuclear deal warned Tehran on Thursday to stick to the accord after it was found for the second time to have breached one of its terms.

The International Atomic Energy Agency said last week that Iran had stockpiled slightly more than the allowable 130 metric tons of heavy water. Spent fuel can be taken from the heavy water to produce plutonium for a nuclear weapon.

Details of the violation emerged the day after Donald Trump’s election as U.S. president. During the campaign, Mr. Trump talked about tearing up the July 2015 nuclear deal between Iran and the U.S. and five other world powers. Since election day, he hasn’t commented publicly on the agreement.

Yukiya Amano, head of the IAEA, told the agency’s board Thursday that it was the second time Iran’s inventory of heavy water had exceeded 130 metric tons. He confirmed that Iran had pledged to transfer its excess heavy water out of the country under the agency’s supervision.

“It is important that such situations should be avoided in future in order to maintain international confidence in the implementation of the JCPOA, which represents a clear gain for nuclear verification in Iran,” Mr. Amano said, referring to the Joint Comprehensive Plan of Action, the nuclear accord’s formal name.

In a press conference Monday afternoon from the IAEA’s Vienna headquarters, Mr. Amano said Iran “is preparing to transfer a quantity of heavy water to other countries” and the agency is monitoring this.

However, he said the agency doesn’t yet know when that transfer will take place or how much heavy water will be exported. Mr. Amano said he would update the IAEA Board when there is more information.

Asked if his decision to express his concerns was connected to Mr. Trump’s recent election win, Mr. Amano said “by no means.”

“The reason why I expressed this concern is the fact that the inventory of heavy water surpassed 130 tonnes for the second time,” he said.

Besides the issue of excess heavy water, Iran is meeting its other commitments under the nuclear deal, the IAEA has repeatedly said. Those include a commitment not to separate plutonium or reprocess spent fuel for 15 years. Iran has also pledged to redesign and rebuild its Arak nuclear reactor in coming years so it doesn’t produce weapons-grade plutonium.

When the second violation of the deal’s provision on heavy water surfaced last week, U.S. officials played down it down, stressing that Tehran had made no effort to hide the excess material from the agency and had pledged to correct the situation.

Under the agreement, Iran is permitted to continue producing heavy water at its Arak production plant as long as any amount in excess of 130 tons is transferred out of the country. Officials familiar with the deal say Iran has struggled to find buyers for heavy water on the international market.

David Albright, president of the Institute for Science and International Security, estimates Iran is producing heavy water at a rate of around 25 tonnes a year.

“Thus, under current arrangements, Iran is likely to continue pushing up against this cap,” he said in a report published Tuesday.

Earlier this year, the Obama administration bought heavy water from Iran for nearly $10 million to help it meet the 130-metric-ton limit.

For its part, Iran claims the U.S. hasn’t upheld the spirit of the nuclear deal. It has failed, Tehran says, to do more to encourage European and other international banks to resume business with Iranian firms following the suspension of most economic and financial sanctions in January. Many U.S. sanctions remain in place. CONTINUE AT SITE

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