Table 1

1 January 2000

Table 1: A comparison of the Ontario and ASCE decommissioning guidelines*Ontario Ministry of Natural Resources

	1999 OMNR* draft guidelines	1997 ASCE guidelines
Step 1: Preliminary	Identify potential candidates and stakeholders, commence consultation with other agencies	Phases 1 and 2: Initial retirement study, public consultation
Step 2: Assessment	Design studies, assessment of risks and costs, environmental issues, legal issues	Phases 3 and 4: Data collection and analysis, evaluation of alternatives
Step 3: Draft proposal	Review risks/costs, other potential alternatives, selected preferred alternative	Phase 4
Step 4: Review/Approval	EA Process, public consultation	Phase 2: Consultation
Step 5: Implementation	Tender, decommission dam, perform long term monitoring as required	Phase 5 and 6: Implementation, long term management

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