Uranium Producer's Leaks into Lake Ontario Are Assumed. By Ian Austen, NYTimes, May 22, 2008. "Cameco, the world's largest uranium producer, has told the Canadian nuclear regulator that its refinery might have leaked uranium, arsenic and fluorides into Lake Ontario. The plant at Port Hope, Ontario, across the lake from Rochester and down the shore from Toronto... has been temporarily closed since July... Cameco in general and the aging Port Hope refinery, which transforms mined uranium into forms suitable for electrical power reactors, have long been targets of environmental groups and the [Canadian Nuclear Safety Commission]. After a flood last year closed one of the company's mines, which produces about 10% of the world's uranium, Linda J. Keen, then the head of the [CNSC], said her commissioners and staff had a 'lack of confidence' in Cameco and its management. Gordon Edwards, president of the Canadian Coalition for Nuclear Responsibility… said that contamination of the lake had been assumed, given the plant's age, history and location."
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