Cambior Inc. was a Canadian based international gold producer with operations, development projects and exploration activities in the Americas.
Cambior's shares traded on the Toronto (TSX) and American (AMEX) stock exchanges under the symbol "CBJ".
An estimated 4 000 000 m³ of waste laced with cyanide, other heavy metals and other pollutants were released into the river causing much destruction.
A public interest group filed a class-action lawsuit against Cambior in 1997 in Québec Superior Court seeking damages on behalf of the Guyanese victims of the spill.
The company's operations included sites in French Guiana, Guyana, Peru and Suriname in South America, and Mali among other countries in West Africa.