Colville Tribes call Teck smelter study ‘deficient’ EPA also blasted for quality of oversight K.C. Mehaffey Wenatchee World Tags:Columbia RiverConfederated Tribes of the Colville ReservationEPALake RooseveltminingTeck ComincoTeck Cominco American The Cominco smelter complex, shown in 2009, sits above the Columbia River in Trail, B.C. Background The June 2006 settlement between the EPA and Teck marked the first time a Canadian company agreed to... Continue Reading →