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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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Description of key information

ABS: Eisenia fetida OECD 207: 14 d-LC0 = 100 g/kg  (highest concentration tested)
ABS: Eisenia fetida ISO 11268-1: 14 d-LC50 = 770 g/kg (highest concentration tested)

Key value for chemical safety assessment

Additional information

In an earthworm acute toxicity test performed according to OECD 207 and GLP, powdered air-cooled blast furnace slag (ABS) did not affect survival or body fresh weight of the earthworm Eisenia fetida during 2 weeks incubation in soil with a maximum concentration of 100 g of the slag per kg of artificial OECD soil (highest concentration tested, NERI 2008).

The effects of slags on earthworms were measured in a 14 d test according to ISO 11268-1 (Effects of Pollutants on Earthworms. 1. Determination of Acute Toxicity Using Artificial Soil Substrate). ABS was not toxic against Eisenia fetida within 14 days. The LC50 was 770 g/kg (highest concentration tested, LECES 1999).