4 years ago

Niagara River Remedial Action Plan Stage 2 Update Report

Niagara River Remedial Action Plan Stage 2 Update Report

44 Charting a Course to

44 Charting a Course to Delisting

Niagara river remedial action plan stage 2 update 3.0 Charting a Course to Delisting Note: Information in the following section contains references to the data that was compiled in the working document: Niagara River (Ontario) Remedial Action Plan. Technical Review of Impairments and Delisting Criteria. Environment Canada. June 2007, (referred to as Technical Review 2007). This section provides an assessment of the environmental response to the work that has been completed since 1995 (stage 2) and the 2000 Implementation Annex. As previously discussed in Section 2, many of the Stage 2 recommendations and actions have been implemented. Substantial progress has been made particularly in the areas of contaminated sediment management, fish habitat creation and municipal wastewater upgrades. This assessment incorporates recent scientific knowledge and provides a clearer picture of what the environment should look like when local remedial efforts have achieved their delisting criteria. This review also identifies what needed to be done in order to delist the Niagara River (Ontario) AOC. 3.1 Scope of the Beneficial Use Impairment (BUI) review The review of the 1995 Stage 2 report involved the following activities: }} review of the Canadian Cleanup Criteria (i.e., delisting criteria in Table 8 of the 1995 Stage 2 report) }} development of revised delisting criteria (see section 3.3); }} review and assessment of the status of the BUIs in the Niagara River AOC against the revised delisting criteria (see section 3.4); }} update of the work plan (see section 4.1) and the development of a plan for monitoring ecosystem restoration (see section 5). 3.2 How was the Delisting Criteria and BUI review done? The delisting criteria were reviewed and refined to current standards which are considered to be scientifically defensible, specific, measurable and achievable. This review involved consultation with three groups, which included: (1) Steering Committee - made up of the lead agencies involved in the RAP (MOE, EC, MNR and NPCA) and other stakeholders. (2) Technical subcommittees - scientists with local knowledge and/or scientific expertise from multiple agencies and organizations were contacted and asked to establish technical subcommittees to lead the technical reviews. These technical subcommittees were asked to: }} establish a clear basis for evaluating impairment status for the Ontario portion of the AOC, }} undertake a full review of current impairment status based on the best available information, }} establish a clear and specific set of improved delisting criteria, maintaining original criteria where applicable; and, }} identify any gaps in monitoring or assessment information needed to assess impairment status or progress in attaining delisting criteria. 45

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