Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Biodegradation in soil
Administrative data
Link to relevant study record(s)
Description of key information
In an OECD 307 study, conducted according to GLP, the mean distribution and recovery of radioactivity ranged from 99.7 to 106.2% AR in Cuckney soil, 93.9 to 103.4% AR in Drayton soil, 97.6 to 107.2% AR in Elmton soil, and 95.2 to 106.2% AR in Calke soil. Low levels of radioactivity were detected in the bound residues (mean values =10.6% applied radioactivity) and mean mineralization of the test item to CO2 was less than or equal to 0.9% applied radioactivity. There was little or no evidence for degradation of test material in soil at 12 deg C, under aerobic conditions, and kinetic analysis of the data was therefore considered inappropriate.
Key value for chemical safety assessment
Additional information
As no significant degradation occurred, the identification of degradation products as well as the proposal of a degradation pathway were not required for this study. The kinetic analysis of the data to determine the DT50 and DT90 values was also considered not applicable.
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