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Toxicity to aquatic algae and cyanobacteria

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Description of key information

test performed on eluate of slag, lead-zinc smelting, according to standard OECD protocol shows no toxicity to algae.

Key value for chemical safety assessment

Additional information

Slag from lead-zinc smelting is insoluble material. Algae tests, performed on an eluate of the slag, lead-zinc smelting made according to DIN 384141 part 4, and tested according to OECD 201, show very limited toxicity of the slag, lead-zinc smelting for the daphnids.

According to these data, slag, lead-zinc smelting should not be classified for aquatic toxicity.