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Atmospheric quality standards and criteria

Atmospheric quality standards (Sections 197 and 198 and Schedule K of the Clean Air Regulation) and criteria (Environment Quality Act) have been devised to facilitate air quality assessment. They can be used to assess the results of measures carried out within the framework of various monitoring programs, establish an air quality index or judge the outcomes of atmospheric dispersion modelling studies conducted in conjunction with authorization requests and environmental impact studies. They were designed to protect human health and minimize nuisances and impacts on ecosystems.

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For questions or further information, contact the Service des avis et des expertises:

Web: Request for Information

Direction des avis et des expertises
Direction générale du suivi de l’état de l’environnement
Ministère du Développement durable, de l’Environnement
et de la Lutte contre les changements climatiques
675, boulevard René-Lévesque Est, 7e étage
Québec, Québec  G1R 5V7

Phone: 418 521-3820, ext. 4758
Fax: 418 643-9591

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