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Archived - CNSC issues decision on certification of package design

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July 13, 2015 – Ottawa, ON – Canadian Nuclear Safety Commission

The Canadian Nuclear Safety Commission (CNSC) has approved the certification of the package designed for the transport of Highly Enriched Uranyl Nitrate Liquid (HEUNL). The Record of Decision was issued on July 10, 2015.

On December 28, 2012, the CNSC received an application from NAC International Inc. (NAC) for the certification of the NAC Legal Weight Truck (NAC-LWT) package design intended for the transport of HEUNL from the Canadian Nuclear Laboratories (CNL) facility in Chalk River, Ontario to the United States. CNSC staff assessed the application to ensure that the package design meets all regulatory requirements for the safe transport of HEUNL.

Following the review and disposition of all comments received during two consultation periods, CNSC staff prepared their recommendation to the designated officer for his decision on the certification of the package design.

For more information on this application:

The CNSC regulates the use of nuclear energy and materials to protect health, safety, security and the environment, and to implement Canada’s international commitments on the peaceful use of nuclear energy; and to disseminate objective scientific, technical and regulatory information to the public.

Quick facts

  • Chalk River Laboratories (CRL) is one of the world's largest suppliers of medical isotopes, which are used in the diagnosis and treatment of diseases.
  • HEUNL is a by-product of medical isotope production.
  • The HEUNL is currently stored at the CNL facility in Chalk River, Ontario.
  • To date, millions of critical procedures using medical isotopes have been performed in Canada for cardiac diagnosis, cancer investigation and cancer treatment.


“The CNSC will never compromise the safety and security of the public and the environment. The engineering assessment that was performed by CNSC staff in support of their recommendation confirms the package meets all of the CNSC and IAEA regulatory requirements. The same external design has been in use for decades, safely transporting highly enriched nuclear fuels in solid form worldwide without incident. ”
Ramzi Jammal, Executive Vice-President and Chief Operations Officer, Canadian Nuclear Safety Commission

NAC-LWT with impact limiters

NAC-LWT with impact limiters

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Aurèle Gervais
Media and Community Relations
Canadian Nuclear Safety Commission

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