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OTTAWA — Environmental activists are urging tougher standards for radiation levels allowed in drinking water.
They say limits for tritium – a byproduct of Canada’s nuclear reactors – are far higher than in other jurisdictions and should be lowered. They also say that a recent spill of heavy water at the Chalk River, Ont., reactor released a large quantity of tritium into the air.
The Canadian Nuclear Safety Commission has said there was a small release of tritium well below safety limits.