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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to soil microorganisms

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
toxicity to soil microorganisms
Data waiving:
exposure considerations
Justification for data waiving:
other:

Description of key information

No data are available on the toxicity of biphenyl-4,4'-diol to soil microorganisms. A PNEC for the soil compartment has been derived from the aquatic toxicity data set using the equilibrium partitioning method.

Key value for chemical safety assessment

Additional information

This data point has been waived for biphenyl-4,4'-diol on the grounds that significant direct and/or indirect exposure of the terrestrial environment is not expected to occur. Under these circumstances, data for the effects of biphenyl-4,4'-diol on the activity of soil microorganisms are considered to be unnecessary.