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Increase to Flow from the Reverse Osmosis Plant
Key Lake (SK)
September 1, 2006 --
The Canadian Nuclear Safety Commission will conduct a screening commencing on August 4, 2006 of the project:
Increase to Flow from the Reverse Osmosis Plant.
The Reverse Osmosis (RO) plant at the Key Lake mill treats contaminated water from the dewatering system of the mined-out Deilmann and Gaertner pits. The treated water from the RO plant is discharged to Horsefly Lake, of the McDonald Creek drainage system. Filter backwash wastewater from the RO plant is sent to the Key Lake Mill for use in the milling process.
Cameco Corporation (Cameco) requested approval to increase the discharge flow of the RO plant at the Key Lake operation from the current 10,000 m3/day to approximately 22,400 m3/day. The proposed increase in capacity is required to control water levels in the Gaertner and Deilmann Tailings Management Facility (DTMF).
Under section 5 of the Canadian Environmental Assessment Act, an EA is required for this project because the Canadian Nuclear Safety Commission may issue a permit or license under subsection 24(2) of the Nuclear Safety and Control Act.
For further information on this environmental assessment, please contact:
Mike Rinker
Environmental Assessment Specialist
P.O. Box 1046, Station B
280 Slater Street
Ottawa ON K1P 5S9
Telephone: (613) 995-7413
Fax: (613) 995-5086
Email: ceaainfo@cnsc-ccsn.gc.ca
and refer to CEAR reference number 06-01-21836
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