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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The calculated Koc of toluene is 205 based on a measured log Kow of 2.73.

Key value for chemical safety assessment

Koc at 20 °C:
205

Additional information

The adsorption/desorption study has not been conducted as the substance can be expected to have a low potential for adsorption based on a log Kow of 2.73. In a proprietary study, the measured Koc in four soils ranged from 34-120. The study investigated the adsorption of toluene to three soils using a column leaching method. Insufficient data is included in the report to determine the reliability of the test. The calculated Koc of toluene is 205 based on a measured log Kow of 2.73 and following the Sabljic et al. (1995) method as set out in the Technical Guidance Document (ECB 2003).