translate English to French: A Four Agency Letter of Commitment was signed on April 17, 1998, by Environment Canada, Michigan Department of Environmental Quality, Ontario Ministry of the Environment, and the United States Environmental Protection Agency.
Une lettre d'engagement a été signée par Quatre Organismes le 17 avril 1998, à savoir : Environnement Canada, le Michigan Department of Environmental Quality, le Ministère de l'Environnement de l'Ontario et la United States Environmental Protection Agency.