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Ecotoxicological information

Toxicity to soil microorganisms

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Description of key information

CSA indicates no risk to the terrestrial environment and thus no further testing is required.

Key value for chemical safety assessment

Additional information

According to REACh legislation, Annex IX, 9.4, column 2, studies on the effect on terrestrial organisms do not need to be conducted if direct and indirect exposure of the soil compartment is unlikely. For the purpose of risk assessment, soil PNECs for hydrocarbon blocks incorporated into the PETRORISK model have been derived using aquatic PNECs and the equilibrium partitioning method (EqP). The outcome of the risk assessment with RCRs far below 1, i.e. regional RCRs of 2.9E-09 and 4.3E-10 for agricultural soil and grassland, respectively, and local RCRs for agricultural soil in the range of 4.7E-05 to 8.5E-09 do not indicate a risk to the terrestrial environment (see localCSR and regionalCSR in PETRORISK spreadsheet attached in IUCLID section 13). Thus, no further testing is required.