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NRU Reactor Scheduled for Maintenance in April, Disrupting Mo-99 Supply

February 28, 2014

Since 2011, the Canadian National Research Universal (NRU) reactor has scheduled annual routine regulatory-required inspection and maintenance, requiring it to shut down for approximately one month. The NRU reactor is scheduled to enter into its maintenance April 13, and anticipates restarting May 13, with resumption of their Mo-99 supply on May 17.

In order to ensure available and reliable supply, Lantheus must make commitments to their Mo-99 suppliers for their volume requirements by March 13. At that time, Lantheus will lock its Mo-99 commitment volumes with their suppliers. Any requests for increases after March 13, will be considered, but cannot be guaranteed.

Xenon-133 is generated as part of the Mo-99 manufacturing process, and Nordion is currently the only supplier of this important product from Mo-99 supplied to them from NRU. As such, Xenon-133 will be unavailable for a short period, estimated to be the weeks of May 12 and May 19.

The full Lantheus letter can be found here