Events Reporting: Uranium Processing and Fuel Fabrication Facilities

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2017

BWXT Nuclear Energy Canada Inc.

Date of event: May 29, 2017

Nuclear fuel fabrication facility, Toronto, Ontario

BWXT Nuclear Energy Canada Inc. reported to the CNSC, as per regulatory requirements, that a fire alarm had been triggered at the Toronto plant and resulted in a sprinkler head activating. Toronto Fire Services responded and determined that there was no fire.

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Cameco

Date of the event: May 5, 2017

Port Hope Conversion Facility (PHCF), Ontario
As per regulatory requirements, Cameco reported to the CNSC that a small amount of hydrogen fluoride (HF) fumes escaped from a transfer tank within the uranium hexafluoride plant at the Port Hope Conversion Facility. The facility’s systems activated and operated as designed to control the HF. There was no measurable impact to the environment as a result of this incident.

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Cameco

Date of the event: April 30, 2017

Port Hope Conversion Facility (PHCF), Ontario

As per regulatory requirements, Cameco reported to the CNSC about a small fire in the UO2 plant. Some insulation caught fire, but was immediately extinguished with a portable fire extinguisher. Cameco’s emergency response team was activated to confirm there were no further traces of heat or fire. No employees were injured as a result of this event, and there were no environmental impacts.

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Cameco

Date of the event: February 19, 2017

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, per regulatory requirements, that during routine operation a small fluorine leak occurred at the Port Hope Conversion Facility. The facility’s systems activated and operated as designed to control the fluorine leak. There was no measurable impact to the environment as a result of this incident.

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Cameco

Date of the event: February 2, 2017

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, per regulatory requirements, that during routine operation a small fluorine leak occurred at the Port Hope Conversion Facility. The facility’s systems activated and operated as designed to control the fluorine leak. There was no measurable impact to the environment as a result of this incident.

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Cameco

Date of event: January 7, 2017

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, as per regulatory requirements, that a small leak of uranium hexafluoride (UF6) occurred at the facility. The site's emergency response team was activated, and the leak was isolated. There were no injuries or ingestion of the chemical, and no releases to the environment.

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2016

Cameco

Date of event: September 4, 2016

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, as per regulatory requirements, that light smoke was observed coming from the PHCF's cooling water pump house. The site's emergency response team was activated, and an initial investigation indicated that the smoke was the result of operational issues with a pump. The pump was shut down and another pump was put online. There was no release to the environment.

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Cameco

Date of event: June 15, 2016

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, as per regulatory requirements, that ductwork and related objects that were sent from Cameco Fuel Manufacturing to Port Hope Conversion Facility for decontamination had surface level contamination which exceeded regulatory levels for the transportation method that was used. There was no release to the environment.

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Cameco

Date of event: April 1, 2016

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, as per regulatory requirements, that there was a spill of nitric acid solution within its Port Hope Conversion Facility. The spill was quickly detected and contained. This was a non-radiological event, with no significant impact on the local environment. CNSC staff are reviewing Cameco's initial reports and corrective actions.

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Cameco

Date of event: February 4, 2016

Port Hope Conversion Facility (PHCF), Ontario

Cameco reported to the CNSC, as per regulatory requirements, that there was a spill of nitric acid solution within its Port Hope Conversion Facility. The spill was quickly detected and contained. This was a non-radiological event, with no significant impact on the local environment. CNSC staff are reviewing Cameco's initial reports and corrective actions.

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2015

BWXT Nuclear Energy Canada Inc. (formerly GE Hitachi Nuclear Energy Canada Inc.)

Date of event: December 23, 2015

Nuclear fuel fabrication facility, Toronto, Ontario

BWXT Nuclear Energy Canada Inc. (formerly GE Hitachi Nuclear Energy Canada Inc.) reported that a fire alarm was triggered at BWXT Nuclear Energy Canada Inc. Toronto plant as a result of work being done on an elevator. Toronto Fire Services responded to the alarm and verified that there was no fire.

Visit BWXT Nuclear Energy Canada Inc. website for more information.

Cameco

Date of event: July 7, 2015

Port Hope Conversion Facility (PHCF), Ontario

The CNSC was informed by Cameco, in accordance with the regulations and Cameco's licence conditions, of a non-routine event at its Port Hope Conversion Facility, where liquid discharges from a wastewater evaporator stack produced a dry, white substance containing uranium and calcium over portions of a building and the ground. Cameco reports no measurable impact to the environment resulting from this event. CNSC staff will inspect the facility, as well as review Cameco's initial reports and corrective actions taken. As per the CNSC's requirements for public disclosure, Cameco has posted information regarding this event.

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BWXT Nuclear Energy Canada Inc. (formerly GE Hitachi Nuclear Energy Canada Inc.)

Date of event: February 17, 2015

Nuclear fuel fabrication facility, Toronto, Ontario

BWXT Nuclear Energy Canada Inc. (formerly GE Hitachi Nuclear Energy Canada Inc.) reported a leak in a fire sprinkler water pipe.

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