Setting ARD Management Criteria For Mine Wastes with Low Sulfide and Negligible Carbonate Content

Stephen is an experienced specialist in the development of waste management plans to address acid rock drainage and leaching of mine wastes in general. He has particular expertise in the development of prediction methods for mine planning and modeling of leachate chemistry.  

Stephen's project experience includes numerous new mine developments, operating mines and mine closures in western, northern and central Canada, arctic and temperate regions of the USA, southeast Asia and South America.  For these projects, he has been involved in waste characterization, selection of control and prevention technologies, and predictions of drainage quality for input into water quality impact assessments and selection of water treatment approaches.  His clients include mining companies, Canadian provincial and federal government departments, and US state departments.