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O EUTROPHICATION AND ITS CONTROL
O OTHER ENVIRONMENTAL CONTAMINANTS AND THEIR CONTROL
O AREAS OF CONCERN
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1978 Agreement Agreement objectives agricultural areas of concern assess Canada Canadian chemicals combined sewer overflows completed contaminated sediments control programs conventional pollutants detergent dioxins effects effluent effluent requirements Environment Canada environmental erosion eutrophication evaluation federal fish guidelines heavy metals human health identified impact implementation in-place pollutants industrial discharges Lake Erie Lake Huron Lake Ontario Lakes Basin Lakes ecosystem Lakes jurisdictions Lakes Water Quality levels mg/L Michigan municipal and industrial municipal wastewater treatment Niagara River nonpoint source pollution Number of Facilities PCBs phenol phosphorus removal PLUARG pretreatment problems projects reduced remedial measures remedial programs River Saginaw Bay Saginaw River sediment sewage significant sludges studies surveillance and monitoring Task Force tillage total phosphorus concentrations toxaphene toxic substances U.S. EPA United urban runoff wastewater treatment facilities Water Quality Agreement Water Quality Board watershed