Community Information Bulletins

The following information is provided in accordance with CNL's commitment to enhance its voluntary public disclosure of events related to the Chalk River Laboratories (CRL) or Whiteshell (WL) Laboratories.

Building 405 false safety alarm

June 16, 2016

CNL reports that a safety alarm sounded at its Nuclear Fuel Fabrication Facility (Building 405) on Wednesday afternoon at approximately 3:15 p.m.

NRU Electrical Circuit Breaker Testing Event

June 10, 2016

Investigation revealed that a DC-powered relay coil that closes the breaker overheated, and as a result generated smoke and a burning smell. The breaker was removed and a spare breaker installed.

CNL confirms there are no safety concerns related to low-level radioactive waste mound in Fort McMurray

May 13, 2016

There is no immediate or long-term risk to human health and safety or the environment as a result of the Fort McMurray, Alberta, wildfires that burned through the Beacon Hill landfill site.

ZED-2 Heavy Water Loss

May 5, 2016

The quarterly inventory of the ZED-2 Research reactor’s heavy water determined a shortfall of approximately 300 kilograms. While the facility does experience routine loss of heavy water through evaporation, this amount was higher than expected.

Rod Bay Event

April 27, 2016

During the evening shift of April 19, CNL’s Rod Crew was loading a fuel basket containing spent NRX fuel bundles into a CRL-site transportation cask,

Training Incident

January 21, 2016

During a security related training exercise held on January 18, an incident took place.