The National Research Universal (NRU) reactor has been operating at CRL since 1957. It is the centre for neutron beam research in Canada, is used for materials research, and produces the majority of the world's supply of critical medical isotopes that are used for diagnosis and treatment of cancer and other illnesses.

• Operation of NRU Reactor Beyond 2005 December
• Comprehensive Preliminary Decommissioning Plan for AECL's CRL Site
• One-Day Environmental Assessment Public Hearing on the Continued Operation of NRU