Where the establishment and operation of a liquid hydrocarbon pipeline is or could be a significant threat to drinking water sources, and where the handling and storage of fuel is an existing significant drinking water threats to Lake Ontario municipal intakes, facility owners are requested to update emergency preparedness/contingency plans to include the location of municipal intakes, actions to be taken to protect drinking water sources should an incident occur, and the requirement for inclusion of the protection of drinking water sources in emergency preparedness exercises.

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