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040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn108-4/15E
1101 |aCanada.|bCanadian Council of Ministers of the Environment.
24510|aCanadian environmental quality guidelines
250 |aUpdates
260 |aWinnipeg - Manitoba : |bCanadian Council of Ministers of the Environment
310 |aIrregular
3621 |aUpdate 1 (June 2001)--
5203 |aCanadian Environmental Quality Guidelines are nationally approved, science-based indicators of environmental quality. They are recommended numerical or narrative limits for a variety of substances and environmental quality parameters, which, if exceeded, may impair the health of Canadian ecosystems.
563 |aLoose-leaf
77508|tRecommandations canadiennes pour la qualité de l'environnement |w(CaOODSP)9.513576