Regulatory oversight reports on the use of nuclear substances

Updated April 8, 2016

The use of nuclear substances is regulated by the Canadian Nuclear Safety Commission (CNSC) and requires compliance with the Nuclear Safety and Control Act, CNSC regulations and licence conditions.

These reports describe the safety performance of licensees using nuclear substances in medical, industrial and commercial applications, as well as for academic and research purposes. Safety performance is measured in terms of licensees' regulatory compliance and occupational doses. The report also includes a summary or reported events and orders issued by the CNSC.

2014 (PDF) (HTML) | 2013 Report (PDF) | 2012 Report (PDF) | 2011 Report (PDF)

Draft 2015 Nuclear Substances Report: Send us your comments

You are invited to comment, in writing, on the draft Regulatory Oversight Report on the Use of Nuclear Substances in Canada: 2015 (2015 Nuclear Substances Report). Submissions must be filed with the Commission Secretary by August 31, 2016.

CNSC staff will present the report’s findings to the Commission at a public meeting to be held on September 21 or 22, 2016.

Read the draft 2015 Nuclear Substances Report (PDF)

Overall performance highlights

In 2015

  • Licensees continued to maintain appropriate safety programs to protect the health and safety of Canadians and the environment
  • Occupational exposure to radiation continued to be low, with over 88.7 percent of workers receiving doses below their respective regulatory dose limits
  • Over 1,568 inspections were performed by CNSC staff
  • Generally satisfactory compliance ratings for the operating performance, radiation protection and security safety and control areas
  • 21 enforcement actions taken against licensees to protect the health and safety of workers, the Canadian public and the environment; satisfactory corrective measures implemented by all licensees
  • 156 reported events were assessed by CNSC staff