"The discharge limits of tritium are 10,000 times below the actual dose limits that the Canadian Nuclear Safety Commission requires us to meet," said Meggan Vickerd, the reactor's decommissioning manager.
But just what makes an "acceptable" limit is a matter of debate.
Ole Hendrickson, a scientist and researcher for the group Concerned Citizens of Renfrew County and Area, questions the safety of the discharge limits for the facility.