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Environmental impairments within Torch Lake and industrial areas along the shoreline resulting from historical mining-associated industrial operations:
- Present potential human health and ecological concerns;
- Limit the recovery of the Torch Lake ecosystem;
- Create uncertainty over safe and beneficial reuse of the land;
- The on-going presence of Polychlorinated biphenyls (PCBs) and other contaminants, in part, prevent Torch Lake from being delisted as an Area of Concern (AOC) under the Great Lakes Water Quality Agreement due to Beneficial Use Impairments (BUIs) related to restrictions on fish and wildlife consumption and degradation of benthos.