Events Reporting: Research Reactors

For the latest information visit:

2017

Canadian Nuclear Laboratories (CNL)

Date of event: July 30, 2017

Chalk River Laboratories (CRL)

CNL reported to the CNSC that on July 30, the Chalk River Laboratories site experienced a loss of electrical power. The cause of the electrical power loss was identified as a breakdown of a Hydro One power distribution line located on the Chalk River site. The downed line caused a small fire in the outer area, away from the main campus. CNL first responders attended the scene of the fire, and it was quickly extinguished and controlled. The power has since been restored to the site.

There were no injuries and there have been no radiological releases to the public, environment or employees as a result of this event.

For more information visit CNL's website.

Canadian Nuclear Laboratories (CNL)

Date of event: April 7, 2017

Chalk River Laboratories (CRL)

CNL reported to the CNSC that on Friday April 7, CNL fire response personnel responded to an alarm at a small utility building located at the Chalk River site.

There were no injuries related to this event and there have been no radiological releases, to the public, environment or employees.
An investigation into this incident has been initiated.

For more information visit CNL's website.

2016

Canadian Nuclear Laboratories (CNL)

Date of event: September 10, 2016

Chalk River Laboratories (CRL)

CNL reported to the CNSC that an incident occurred at its Chalk River Laboratories. In the evening of September 10, CNL's emergency services responded to a medical emergency involving a CNL employee at the Chalk River Laboratories main campus, which resulted in a fatality. ‎ 

There was no risk to workers, the public or the environment as a result of this unfortunate event.

An investigation into this incident has been initiated. The CNSC will be reviewing the results of this investigation.

For more information visit CNL's website.

Canadian Nuclear Laboratories (CNL)

Date of event: July 29, 2016

Chalk River Laboratories (CRL)

CNL informed the CNSC of a small fire that occurred in a paint tray during construction work at the facility. CRL workers extinguished the fire in accordance with CNSC emergency program requirements. The fire department performed an assessment and declared that there was no danger. There were no injuries as a result of this event, and there was no damage to the building.

McMaster University

Date of event: July 7, 2016

McMaster Nuclear Research Reactor

The CNSC was informed by McMaster University, in accordance with CNSC emergency program requirements, that a fire occurred today in a building adjacent to the McMaster nuclear research reactor. As a precaution, the reactor was shut down. The Hamilton Fire Department responded and the fire was extinguished, with no injuries reported. There was no impact to the reactor or the building it is housed in.

Visit McMaster's website for more information.

Canadian Nuclear Laboratories (CNL)

Date of event: June 15, 2016

Chalk River Laboratories (CRL)

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

Visit CNL's website for more information.

Canadian Nuclear Laboratories (CNL)

Date of event: June 9, 2016

Chalk River Laboratories (CRL)

CRL informed the CNSC of the activation of a fire alarm at the NRU facility, which was in a safe shutdown state at the time. The alarm was activated by smoke related to an electrical breaker. CRL's emergency services responded to the alarm and verified that there was no fire.

Visit CNL's website for more information.

Canadian Nuclear Laboratories (CNL)

Date of event: April 26, 2016

ZED-2 Research Reactor

CNL reported to the Canadian Nuclear Safety Commission (CNSC) that the overflow of a heavy water dump tank at the ZED-2 low power research reactor resulted in heavy water flowing into the ventilation ducts. The heavy water evaporated and was released through the ductwork to the environment. There was no risk to workers, the public or the environment as a result of this event.

In accordance with CNSC requirements, an investigation into this incident has been initiated by CNL.

CNSC staff will be reviewing the results of this investigation.

This event will be discussed at a public Commission meeting after review of the investigation.

For more information visit CNL's website.

Canadian Nuclear Laboratories (CNL)

Date of event: April 19, 2016

Chalk River Laboratories (CRL)

CNL reported to the CNSC that an incident occurred at its Chalk River Laboratories during the loading of a fuel basket containing spent fuel bundles from NRX (National Research Experimental).‎ The integrity of the load was not compromised, and there was no damage to the fuel or releases of any kind.‎ There was no risk to workers, the public or the environment as a result of this event.

An investigation into this incident has been initiated by CNL. The CNSC will be reviewing the results of this investigation.

For more information visit CNL's website.

Canadian Nuclear Laboratories (CNL)

Date of event: January 18, 2016

Chalk River Laboratories (CRL)

CNL reported to the CNSC that an incident occurred during a security-related training exercise at its Chalk River Laboratories.

No workers were injured. An investigation into this incident has been initiated by CNL. The CNSC will be reviewing the results of this investigation.

This was a non-radiological event with no impact to the health and safety of the public or the environment.

For more information visit CNL's website.

2015

Canadian Nuclear Laboratories (CNL)

Date of event: October 28, 2015

Chalk River Laboratories (CRL)

In accordance with regulatory requirements, on December 17 the CNSC was informed of an occurrence at CNL's Chalk River Laboratories involving the failure of a fuel caddy during the preparation of National Research Experimental fuel assemblies for transport of fuel to the USA (as part of the repatriation project under the Global Threat Reduction Initiative).‎ The integrity of the transport package was not compromised, and there was no damage to the fuel or releases of any kind.‎ There was no risk to the public or the environment as a result of this occurrence.

CNSC staff will discuss preliminary findings of its review of the reports submitted to the CNSC during a status report at the January 28, 2016, public Commission meeting.

Canadian Nuclear Laboratories (CNL)

Date of event: June 26, 2015

Chalk River Laboratories (CRL)

Canada's Minister of Natural Resources announced that the Government of Canada has selected Canadian National Energy Alliance (CNEA) as the preferred bidder to manage and operate CNL, a subsidiary of Atomic Energy of Canada Limited (AECL). Read Natural Resources Canada's news release for more information.

Canadian Nuclear Laboratories (CNL)

Date of event: April 12, 2015

Chalk River Laboratories (CRL)

CNL reports that the National Research Universal (NRU) reactor will enter its annual planned 30-day extended outage on April 12, 2015.

For more information visit CNL's website.