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short-term toxicity to fish
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is highly insoluble in water, hence indicating that aquatic toxicity is unlikely to occur
Justification for type of information:
Calcium is water reactive evolving hydrogen gas. In powdered form, the reaction with water is extremely rapid. In water reaction calcium is forming insoluble calcium hydroxide. In water solutions of acids where the salt is water soluble, calcium reacts vigorously. Calcium metal is classified hazardous (DSD) because of violent reactions with water and acids. (References: Handbook of Chemistry and Physics, Lide, D. R., 2008, 89th edition, CRC Press Taylor&Francis Group, LLC United States of America; The Merck Index, O'Neil, Maryadele J. (ed.), 2006, 14th edition, Merck&Co., Inc. United States of America).

Data source

Materials and methods

Results and discussion

Applicant's summary and conclusion