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 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
• Other key topics

Facility information

Location: Ottawa, Ontario
Licensee: Best Theratronics Ltd.
Status: Operating
Licence issued: July 1, 2019
Licence expires: June 30, 2029
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

• May 22, 2020: Reportable event at Best Theratronics Ltd.
• June 26, 2019: Summary record of decision – Best Theratronics Limited – Application to renew the Class IB Nuclear Substance Processing Facility Licence
• 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.

• Best Theratronic Ltd.’s public disclosure protocol and public information program

Regulatory reporting

• Regulatory action – Best Theratronics Ltd.
• Event reports for major nuclear facilities

Other key topics

• Nuclear substances
• Video: Medical uses of nuclear technology
• Radioactive sources safely used in Canada for the benefit of all Canadians