The Cree community of Oujé-Bougoumou is located approximately 60 kilometres west of Chibougamau and comprises 622 residents. There was, for this community, a potential exposure to toxic substances derived from tailings residues left behind from mining operations in the mid 1950s.
Confronted with this potential exposure, the Grand Council of the Crees commissioned an environmental contamination study, which was conducted by Christopher L. Covel from CL COVEL PG LLC and Roger D. Masters from Dartmouth College, Hanover, New Hampshire. This study indicated mobilization of toxic elements from mine tailings residues and suggested possible impacts on human health.
The report produced by this study was subsequently critically reviewed by Evert Nieboer of McMaster University who endorsed the environmental conclusions, but not the interpretation of the data on contaminants in hair on which the human health risk judgement had been based. A 2001 survey by the Quebec Ministry of…