Food safety

Review of the Threshold of Toxicological Concern Approach

Call for data

WHO is seeking submissions of published and unpublished technical information to support the development of a harmonized methodology for the application of Threshold of Toxicological Concern (TTC) to food chemical risk assessment. The information will provide a comprehensive understanding of state of the science of TTC risk assessment and enable the development of recommendations on updating/revising the TTC approach.

For full details on the project and how to submit data may be found here:


Last update:

18 October 2013 16:35 CEST