Registration Dossier

Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

The registered substance is a complex hydrobarbon UVCB whose constituents have variable physicochemical properties. Therefore, a modelling framework is needed to account for the bioavailability of the constituents in the mixture, which was then used to predict the toxicity of the substance as a whole. The target lipid model (TLM) and HC5, have been applied to soils and sediment using equilibrium partitioning (EqP) model. As such, modelled data are considered fit for purpose.

Detailed information covering the calculation model, compositional data used as input, validity, applicability and adequacy of the result are attached in section 13.2 of IUCLID.

Additional information

The Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics estimated 28-day LC50 value is >1000 mg/L based on mortality and the EC10 value is >1000 mg/kg soil dw based on reproduction for the terrestrial species Eisenia fetida.

The Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics estimated 28-day LC50 value is >1000 mg/L based on mortality and the EC10 value is >1000 mg/kg soil dwbased on reproduction for the terrestrial arthropod species Folsomia candida.

The Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics estimated 14-day LC50 values are >1000 mg/kg soil dwbased on seedling emergence and the 21-day EC10 values are >1000 mg/kg soil dw based on growth both for the terrestrial plant monocot species Avena sativa and for the terrestrial plant dicot species Brassica rapa.

The values were estimated using the Petrotox computer model.