This document provides requirements and guidance, applicable as part of the licensing basis, for licensees managing radioactive wastes. Specifically it addresses: - the management of radioactive wastes - radioactive waste storage and disposal facilities

The purpose of this document is to provide requirements and guidance to licensees and applicantsfor developing a safety case and supporting safety assessment activities pertaining to the disposal of all classes of radioactive waste.

This regulatory document sets out requirements and guidance for reports and notifications that licensees of waste nuclear substances, Class II nuclear facilities and users of prescribed equipment, nuclear substances and radiation devices must submit to the Canadian Nuclear Safety Commission (CNSC). This document also presents the types of reports and the applicable timeframe for reporting. Licensees and those who transport nuclear substances are required to report to the CNSC regarding situations, events and dangerous occurrences. Regulatory document REGDOC-3.1.3 incorporates and clarifies requirements found in the Nuclear Safety and Control Act (NSCA) and regulations made under the NSCA, including requirements for content and timing of reports. Additionally, it provides guidance on the interpretation and scope of application of these requirements in the context of Class II nuclear facilities, nuclear substances and radiation devicesand waste nuclear substance licensees. Further to the reporting requirements set by the NSCA and the regulations, a licence may contain any term or condition that identifies a reporting requirement and the time frame for submitting the report. This document provides guidance on these licence conditions, including the submission of an annual compliance report (ACR).

This regulatory document provides requirements and guidance regarding the planning and preparation for as well as the execution and completion of decommissioning. The CNSC defines decommissioning as the administrative and technical actions taken to allow the removal of some or all of the regulatory controls from a facility, location or site where nuclear substances are managed, used, possessed or stored. Decommissioning actions are the procedures, processes and work activities (e.g., storage with surveillance, decontamination, dismantling or cleanup) that are taken to retire a facility, location or site from service with due regard for the health and safety of people and the environment.

This regulatory document sets out the requirements of the Canadian Nuclear Safety Commission (CNSC) for the sound management of mine waste rock and mill tailings during site preparation, construction, operation and decommissioning of new uranium mine or mill projects and/or of new waste management projects at existing uranium mines and mills in Canada, to ensure the protection of the environment and the health and safety of people.

Canada’s Packaging and Transport of Nuclear Substances Regulations, 2015 (PTNSR 2015) are based on the regulations established by the International Atomic Energy Agency (IAEA): SSR-6, Regulations for the Safe Transport of Radioactive Material, 2018 edition (IAEA Regulations) [1]. All IAEA Member States follow the IAEA Regulations, which assure consistent, safe practices internationally.The PTNSR 2015 introduce an ambulatory reference to the IAEA Regulations and no longer explicitly identify and list relevant paragraphs from the IAEA Regulations. This change ensures that Canadian regulations will continue to align with international regulations, if international regulations are modified.

Environmental protection for nuclear facilities and activities is done in accordance with the Nuclear Safety and Control Act (NSCA) and the regulations made under the NSCA. This legislation includes provisions to ensure that licensees are meeting the CNSC’s mandate to protect the environment and the health, safety and security of persons. The CNSC requires the environmental effects of all nuclear facilities or activities to be considered and evaluated when licensing decisions are made. This regulatory document provides information to applicants and licensees on protecting the environment and the health of persons, including: - identification of facility or activity interactions with the environment and the public - identification and mitigation of potential environmental effects associated with these interactions - design and implementation of effluent and emission release measures and of the environmental monitoring measures to confirm or test the predictions and the actual effects - periodic assessments of the environmental protection measures and the licensee’s performance In particular, this regulatory document describes: - the CNSC’s principles for environmental protection - for all nuclear facilities or activities that interact with the environment, the scope of an environmental assessment (EA) and the roles and responsibilities associated with an EA - the CNSC’s requirements and guidance to applicants and licensees for developing environmental protection measures, including an environmental risk assessment (ERA) where required, for both new and existing facilities or activities

This regulatory document sets out the requirements of the Canadian Nuclear Safety Commission (CNSC) for the design of new water-cooled nuclear power plants. It establishes a set of comprehensive design requirements and guidance that are risk-informed and align with accepted national and international codes and practices.

This regulatory document provides guidance and clarity on requirements for the application of the RPR. This regulatory document will help ensure that licensees implement adequate measures for radiation protection in accordance with the Nuclear Safety and Control Act (NSCA, the Act) and the RPR. This regulatory document is intended for use by CNSC licensees and applicants