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Canadian Nuclear Safety Commission

Completed

To view a specific Environmental Assessment (EA), click on the project title of any EA listed in the table. At the bottom of the EA project page, you will find contact information for the EA specialist responsible for sending you additional information about the EA you are interested in.

EAs that began under the Canadian Environmental Assessment Act have a CEAR number. This reference number links externally to the Canadian Environmental Assessment Registry, which contains information about EAs being conducted by all federal authorities across Canada. For more information about EA types, see types of EAs at CNSC.

All EAs that started before October 30, 2003 were registered in the Canadian Environmental Assessment Agency’s former Federal Environmental Assessment Index (FEAI). Information pertaining to these older EAs is still available on CNSC’s site, and can be accessed by clicking on the project title of the EA. Please note that in May 2006 COGEMA Resources Inc. changed its name to AREVA Resources Canada Inc.

New Brunswick

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	FEAI Number
Point Lepreau	NB Power	Solid radioactive waste management facility	2001-04-07	Aug. 25, 2003	Jan. 13, 2004	Screening	27931

Quebec

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	FEAI Number
Bécancour	Hydro-Québec	Modifications to the Gentilly radioactive waste management facilities and refurbishment of the Gentilly-2 nuclear power station	Nov. 29, 2002	Dec. 22, 2006	Dec. 22, 2006	Screening	35287

Ontario: By FEAI number

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	FEAI Number
Chalk River	Atomic Energy of Canada Limited (AECL)	Decommissioning of the fuel storage and handling bays at Chalk River Laboratories	April 2000	Mar 14, 2007	Aug. 27, 2007	Screening	*FEAI Reference Number: 16692
Chalk River	Atomic Energy of Canada Limited (AECL)	Transfer and storage of radioactive liquid waste	Aug. 21, 2003	Apr. 25, 2006	Apr. 25, 2006	Screening	38942
Chalk River	Atomic Energy of Canada Limited (AECL)	Decommissioning of heavy water upgrading plant at Chalk River Laboratories	Mar. 14, 2002		June 25, 2008	Screening	31931
Clarington	Ontario Power Generation (OPG)	Darlington used fuel dry storage facility	Sept. 18, 2001	Nov. 7, 2003	Aug. 11, 2004	Screening	29276
Deloro	Ontario Ministry of Environment	Deloro Mine consolidation site remediation	Jan. 16, 2003	May 8, 2009	Aug. 10, 2009	Screening	36265
Elliot Lake	Rio Algom Ltd.	Proposed operation of a radioactive waste facility	Feb. 27, 1998	Apr. 15, 2002	Apr. 15, 2002	Screening	16615
Ottawa (Kanata)	MDS Nordion	Waste diversion proposal	July 3, 2003	June 24, 2004	June 24, 2004	Screening	38418
Peterborough	Shield Source Inc.	Change in disposal of aqueous liquid waste	Dec. 3, 2002	Dec. 11, 2002	Dec. 11, 2002	Screening	35374
Pickering	Ontario Power Generation (OPG)	Pickering waste management facility	July 4, 2002	May 28, 2004	Dec. 23, 2004	Screening	33828
Pickering	Ontario Power Generation (OPG)	Resumption of power operation of a nuclear reactor facility	July 30, 1999	Feb. 16, 2001	Feb. 16, 2001	Screening	18822
Port Granby	Low-Level Radioactive Waste Management Office	NRCan’s Port Granby long-term LLRW management project	Nov. 21, 2001	August 19, 2009	August 19, 2009	Screening	30615
Port Hope		Pine Street Extension approval to expand the current facility by 100%	Aug. 3, 1999	Sept. 20, 2001	Sept. 20, 2001	Screening	18999
Port Hope	Low-Level Radioactive Waste Management Office	NRCan’s Port Hope Long-Term Low-Level Radioactive Waste Management Project	Nov. 21, 2001	Jan. 24, 2007	May 28, 2009	Screening	30619
Tiverton	Ontario Power Generation (OPG)	Construction and operation of additional low-level storage buildings at the Western Waste Management Facility	Sept. 8, 2003	May 13, 2004	May 13, 2004	Screening	39121
Tiverton	Ontario Power Generation (OPG)	Construction of a transportation package maintenance building	Dec. 14, 2002	Oct. 2, 2003	Oct. 2, 2003	Screening	35879
Tiverton	Bruce Power Inc.	Restart of Bruce A nuclear generating stations, units 3 and 4	Sept. 11, 2001	Jan. 6, 2003	Jan. 6, 2003	Screening	29271
Tiverton	Ontario Power Generation (OPG)	Proposed construction and operation of additional storage at Bruce nuclear power development radioactive waste operations site 2	Feb. 24, 2000	May 30, 2001	May 30, 2001	Screening	19002
Tiverton	Bruce Power	Bruce heavy water plant decommissioning	June 3, 1998	Oct. 29, 2003	Oct. 29, 2003	Comprehensive Study	16968
Whitby	Isomedix Corp.	Operation of the existing Isomedix industrial irradiator	Feb. 23, 2001	May 17, 2002	May 17, 2002	Screening	26486

Ontario: By CEAR Number

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	CEAR Number
Blind River	Cameco Corporation	Proposed increase in production at the Blind River Refinery	July 4, 2005	October 24, 2008	April 21, 2008	Screening	05-01-12540
Blind River	Cameco Corporation	Proposed modifications to the operation of the Blind River refinery incinerator	Nov. 26, 2004	March 14, 2007		Screening	04-01-8407
Chalk River	Atomic Energy of Canada Limited (AECL)	Decommissioning of a pool test reactor at Chalk River Laboratories	Sept. 13, 2004	May 11, 2007	May 11, 2007	Screening	04-01-6315
Chalk River	Atomic Energy of Canada Limited (AECL)	Proposed construction and operation of a shielded modular above-ground storage project at Chalk River Laboratories	Feb. 4, 2005	May 26, 2006	May 26, 2006	Screening	05-01-9335
Chalk River	Atomic Energy of Canada Limited (AECL)	Proposal for the continued operation of the national research universal (NRU) reactor at Chalk River Laboratories	Dec. 13, 2004	Aug. 11, 2005	Aug. 11, 2005	Screening	04-01-8269
Chalk River	Atomic Energy of Canada Limited (AECL)	Proposed construction and operation of a fuel packaging and storage facility at Chalk River Laboratories.	Jan. 4, 2005	June 25, 2008	June 25, 2008	Screening	05-01-9148
Elliot Lake	Rio Algom Ltd.	Replacement of the Stanleigh Mine treatment facility	Jan. 19, 2006	Dec. 15, 2006	Mar. 95, 2007	Screening	06-01-17079
Peterborough	GE-Hitachi	Proposed addition of a low enriched uranium fuel bundle manufacturing line	June 6, 2007	February 11, 2010	September 14, 2009	Screening	07-01-26561
Pickering	Ontario Power Generation (OPG)	Refurbishment and continued operation of the Pickering B nuclear generating station	July 28, 2006	Jan. 26, 2009	Apr. 8, 2009	Screening	06-01-21226
Pickering	Ontario Power Generation (OPG)	Guaranteed Defuelled State of Pickering A Units 2 and 3	Feb. 4, 2008	Nov. 28, 2008	April 3, 2009	Screening	08-01-37538
Port Hope	Zircatec Precision Industries Inc.	Proposed slightly enriched uranium CANDU fuel production	Sept. 15, 2006	Nov. 7, 2007	Feb. 18, 2008	Screening	06-01-23099
Tiverton	Ontario Power Generation (OPG)	Construction and operation of facilities for refurbishment waste storage (RWS) at the Western Waste Management Facility	Dec. 10, 2004	Mar. 2, 2006	Mar. 2, 2006	Screening	04-01-8208
Tiverton	Bruce Power	Proposed use of slightly enriched uranium (SEU) fuel at the Bruce B nuclear generating station	Dec. 12, 2003	June 17, 2005	June 17, 2005	Screening	04-01-591
Tiverton	Bruce Power	Bruce A refurbishment for life extension and continued operation	Dec. 14, 2004		Sept. 20, 2007	Screening	04-01-8081

Manitoba

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	FEAI Number
Pinawa	Atomic Energy of Canada Limited (AECL)	Proposed decommissioning of Whiteshell Laboratories	June 2, 1999	Apr. 2, 2002	Dec. 19, 2002	Comprehensive Study	18737

Saskatchewan: By FEAI Number

In May 2006, COGEMA Resources Inc. changed its name to AREVA Resources Canada Inc.

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	FEAI Number
Cigar Lake and McClean Lake	COGEMA Resources Inc. and Cameco Corp.	Cigar Lake waste rock disposal in Sue C pit	Oct. 11, 1999	Aug. 29, 2003	Aug. 29, 2003	Screening	19651
Cluff Lake	COGEMA Resources Inc.	Decommissioning of Cluff Lake uranium facility	Apr. 15, 1999	Apr. 15, 2004	July 20, 2004	Comprehensive Study	18738
Waterbury Lake	Cameco Corporation	Construction and operation of the Cigar Lake uranium mine	Jan. 8, 2003	June 30, 2004	June 30, 2004	Screening	36620

Sakatchewan: By CEAR Number

Location	Proponent	Project	EA Start Date	EA Completed	Latest Update	EA Type	CEAR Number
Key Lake	Cameco Corporation	Mill Services Project	July 14, 2008	July 2, 2009	July 2, 2009	Screening	08-01-40614
McClean Lake	AREVA Resources Canada Inc.	Continuation of mining and milling at McClean Lake operation: Development of Caribou deposit	Feb. 2, 2007	April 7, 2010	April 7, 2010	Screening	07-01-25553
McClean Lake	COGEMA Resources Inc.	Mining Sue E ore proposal	Oct. 30, 2003	June 30, 2005	June 30, 2005	Screening	03-01-2013
McClean Lake	AREVA Resources Canada Inc.	Ferric sulphate production at McClean Lake	Feb. 8, 2006	Oct. 25, 2006	Oct. 25, 2006	Screening	06-01-17277
Rabbit Lake	Cameco Corp. and COGEMA Resources Inc.	Rabbit Lake solution processing project	Feb. 8, 2005	Aug. 25, 2008	Aug. 25, 2008	Screening	05-01-9129