Best Theratronics Ltd.
Best Theratronics Ltd. (BTL) owns a nuclear substance processing facility, located in Ottawa, Ontario, and is licensed to operate the facility. The Canadian Nuclear Safety Commission (CNSC) has full-time, dedicated staff who periodically perform inspections to evaluate operations and to verify compliance with regulatory requirements and licence conditions.
- Facility information
- Latest CNSC facility-specific announcements
- Disclosure protocol
- Regulatory reporting
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Facility information

Best Theratronics Ltd. nuclear substance processing facility
Location: Ottawa, Ontario
Licensee: Best Theratronics Ltd.
Status: Operating
Licence issued: July 1, 2014
Licence expires: June 30, 2019
Start of commercial operation: 2008
Licensing documentation: Request a copy of BTL's nuclear substance processing facility licence by email
BTL manufactures medical devices such as radiation cancer treatment equipment and radiation and X-ray-based blood irradiators. BTL recently began developing a line of cyclotrons for use in health care and research institutions. For more information, visit BTL’s website.
Latest announcements
- February 29, 2016: Record of Proceedings - Redetermination of Designated Officer Order issued to Best Theratronics Limited
- September 10, 2015: Record of proceedings: Review by the Commission of the Designated Officer order issued on August 24, 2015
- March 23, 2015: Notice of hearing – Best Theratronics Limited – Application for approval of the proposed form and amount of their financial guarantee - Ref. 2015-H-103
- June 27, 2014: CNSC issues a licence to Best Theratronics Ltd.
- May 8, 2014: CNSC makes a decision to approve Best Theratronics Ltd.’s application for a Class 1B nuclear substance processing facility operating licence
- Hearing Notice to consider an application from Best Theratronics Ltd. (PDF)
- Record of Proceedings, Including Reasons for Decision (PDF)
Disclosure protocol
As part of the CNSC's regulatory requirements, major licensees must have robust public information and disclosure programs in place.
Regulatory reporting
Other key topics
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