The IARC revised Preamble to the IARC Monographs is now available. The Preamble describes the objective and scope of the programme, the scientific principles and procedures used in developing a Monograph, the types of evidence considered, and the scientific criteria that guide the evaluations. The Preamble should be consulted when reading a Monograph or list of evaluations.

Revised Preamble to the IARC Monographs (amended January 2019) can be downloaded from: