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Environmental fate & pathways

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Biodegradation studies in water, sediment and soil are not required for inorganic substances.

According to Annex IX, Column 2 of Regulation (EC) 1907/2006, "Further biotic degradation testing shall be proposed by the registrant if the chemical safety assessment according to Annex I indicates the need to investigate further the degradation of the substance and its degradation products. The choice of the appropriate test(s) depends on the results of the chemical safety assessment." Degradation/biodegradation testing is not relevant for metals and metal compounds like tin bis(tetrafluoroborate), which are considered as not (bio)degradable. Therefore, the chemical assessment of tin bis(tetrafluoroborate) is based on the total initial tin concentration, which can be considered as a worst-case assumption.