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For the risk assessment of the terrestrial compartment a long-term study with earthworm is available for isodecyl pivalate (CAS 60209-82-7). This study was considered to be the most relevant to assess the hazard of the substance to terrestrial organisms. All possible exposure routes are covered within this study (soil pore water and ingestion of soil particles). No further studies with plants and soil microorganisms were deemed necessary since the exposure of both organism groups is the soil pore water. Based on the very low water solubility (< 0.05 mg/L) the exposure via pore water is negligible. Moreover, the environmental exposure assessment using the PNEC soil from the long-term study with earthworms did not result in a hazard for all relevant scenarios.All Risk Characterisation Ratios (RCR) are below one for the relevant scenarios covering the life-cycle of the substance. Thus, in accordance with Annex XI, Section 3 of Regulation (EC) No 1907/2006 further testing with terrestrial organisms is not deemed necessary and the available information is sufficient for the risk assessment of the substance.