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Toxicity to terrestrial arthropods

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Description of key information

The results of the transformation/dissolution tests in aqueous media (IUCLID 5.6.) and of the aquatic and terrestrial toxicity tests documented in this section 6 all consistently demonstrate the very limited solubility of slag, lead-zinc smelting. For this reason, the testing for terrestrial  toxicity on arthropods is waived, because exposure to zinc ions in the pore water is anticipated to be very limited. 

Key value for chemical safety assessment

Additional information

Slag, lead-zinc smelting is very stable also in soils, as is demonstrated by results on soil toxicity tests. Data obtained with soluble or slightly soluble zinc compounds are not considered relevant for slag, lead-zinc smelting