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2. CCME (Canadian Council of Ministers of the Environment), 2007. A Protocol for the Derivation of Water Quality Guidelines for the Protection of Aquatic Life. Winnipeg, MB, Canada.
3. A bioassay by any other name might not smell the same;Chapman;Environ. Toxicol. Chem.,1989
4. Chronic toxicity of chloride to freshwater species: effects of hardness and implications for water quality guidelines;Elphick;Environ. Toxicol. Chem.,2011
5. An aquatic toxicological evaluation of sulfate: the case for considering hardness as a modifying factor in setting water quality guidelines;Elphick;Environ. Toxicol. Chem.,2011