REGDOC-2.9.1 - Environmental Principles, Assessments and Protection Measures, Version 1.2 (English, PDF)

REGDOC-2.9.1 - Environmental Principles, Assessments and Protection Measures, Version 1.2: English PDF file (2.1 MB). From Canadian Nuclear Safety Commission, updated Sep 2026. View metadata, licence and the direct download on CanQuery.

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Publisher-reported update

2026-09-25

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…

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