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Ecotoxicological information

Toxicity to terrestrial arthropods

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Reference
Endpoint:
toxicity to terrestrial arthropods
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:
Justification for type of information:
Soil hazard category of the registered substance was determined in accordance with Table R.7.11—2 of ECHA Endpoint specific guidance Chapter R.7c (Version 3.0 – June 2017).
- BPA PO was found to be inherently biodegradable and is therefore not considered as being highly persistent.
- BPA PO has a Log Kow < 5 and was not identified as an ionisable substance, therefore it does not have a potential for high adsorption.
- BPA PO was not identified as very toxic to the aquatic organisms, as EC50 and LC50 values for algae, fish, and aquatic invertebrates were above 1 mg/L.
Based on these criteria it was concluded that the registered substance falls into Hazard category 1.

As the substance belongs to Hazard category 1 according to Table R.7.11—2, the equilibrium partitioning method has been applied to derive the PNEC for soil and to assess the hazard to soil organisms. As all risk characterization ratios for hazards to soil are under 1, therefore no further testing is proposed for toxicity to terrestrial arthropods in accordance with ECHA Endpoint specific guidance Chapter R.7c (Version 3.0 – June 2017).

Description of key information

Based on the properties of the substance and the criteria laid down in Table R.7.11—2 of ECHA Endpoint specific guidance Chapter R.7c (Version 3.0–June 2017), it was concluded that the substance belongs to hazard category 1 in regards to its hazard to soil. Therefore the equilibrium partitioning method has been applied to derive the PNEC for soil and to assess the hazard to soil organisms. As all risk characterization ratios for hazards to soil are under 1, therefore it is not required to perform toxicity testing on terrestrial arthropods in accordance with ECHA Endpoint specific guidance Chapter R.7c (Version 3.0–June 2017).

Key value for chemical safety assessment

Additional information