Environmental Protection  National Emission Standards for Hazardous Air Pollutants for Source  Pulp and Paper Production; Effluent Limitations Guidelines, Pretreatment Standards, and New Source Performance  Pulp, Paper, and Paperboard Category
The standards for hazardous air pollutants
At Saint-Joseph ask to be shown a traveler's tree (arbre du voyageur) from Madagascar, which has a reserve supply of water within its trunk.