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Mercury is a poisonous element found in various forms in Canada. [1] It can be emitted in the atmosphere naturally and anthropogenically, the main cause of mercury emission in the environment. [ 2 ] Mercury pollution has become a sensitive issue in Canada for the past few decades and many steps have been taken for prevention at local, national ...
Mercury contamination in Grassy Narrows was an uncontrolled discharge of between 9,000 kilograms (20,000 lb) and 11,000 kilograms (24,000 lb) of mercury from the Dryden Mill's chloralkali plant in Dryden into the headwaters of the Wabigoon River in the Kenora District of Northwestern Ontario from 1962 until 1970. [1]
Ontario Minamata disease is a neurological syndrome caused by severe mercury poisoning.It occurred in the Canadian province of Ontario, in 1970, and severely affected two First Nation communities in Northwestern Ontario following consumption of local fish contaminated with mercury, and one First Nation in Southern Ontario due to illegal disposal of industrial chemical waste.
Dryden Mill in 2008. The Dryden pulp mill, also known as the Reed Mill, is a paper and pulp mill in Dryden, Ontario.During the 1960s and 70s, mercury poisoning from the mill caused one of Canada's worst environmental disasters: Dryden Chemicals Ltd dumped mercury into the English-Wabigoon River, upstream of Grassy Narrows First Nation, poisoning the fish which were their staple food. [1]
The mercury pollution spread throughout the downstream Wabigoon-English River system. The mercury entered the food chain and accumulated in fish which were a major part of the diet for First Nations people on reserves at Grassy Narrows and Whitedog.
Mercury can get into freshwater systems by point sources and extended flooding. [8] In Canada, mercury poisoning in Grassy Narrows was likely caused by a spill at a paper mill, which is a point source.
In a 4-3 decision on December 6, 2019, the Supreme Court of Canada ruled that Weyerhaeuser Company and Resolute Forest Products—previously known as Abitibi-Consolidated are responsible for cleaning the mercury-contaminated site near Grassy Narrows First Nation. According to Global News, the Court decision "brought some clarity to a long ...
The presence of mercury in corn syrup was a health controversy that arose due to several studies that found that mercury residues in high-fructose corn syrups (HFCS) used in food products. [ 1 ] [ 2 ] [ 3 ] This was significant due to the toxic nature of mercury and its association with learning disabilities and heart disease.