No danger from heavy water leak: AECL
AECL says about 42 litres of heavy water was spilled during work to prepare its main reactor for a return to service.
The spill was detected by detection equipment and the refill halted.
The source of the spill was located at a flange on a valve in the system.
The atomic agency says most of the heavy water was mopped up and will be recycled.
But about seven litres evaporated through the ventilation system and AECL says on its website that the release was well below regulatory limits for tritium release.
Operations staff at the reactor complex north of Ottawa are now examining piping connections to forestall a similar leak.
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Romania enhances safety at Cernavoda, IAEA reports
BUCHAREST - The International Atomic Energy Agency (IAEA) said yesterday that the operator of Romania’s Cernavoda nuclear power plant had demonstrated "strengthened operational safety" by addressing the findings of an initial IAEA review in 2016. The Operational Safety Review Team (OSART) concluded a five-day follow-up mission on 8 March to the Cernavoda plant, which is on the Danube-Black Sea Canal, about 160 km from Bucharest.
The plant's two 706 MWe CANDU pressurised heavy water reactors came online in 1996 and 2007, respectively.
The OSART team was led by Fuming Jiang, a senior nuclear safety officer at the IAEA.
"We saw improvements in key…
