http://www.itcilo.it/actrav/actrav-english/telearn/osh/legis/r147.htm

This document is the result of the International Labour Organisation General Conference to establish international standards concerning protection against carcinogenic substances or agents. It is the ILO's recommendation regarding control and prevention of occupational hazards caused by carcinogenic substances and agents. It covers General Provisions, Preventive Measures, Supervision of Health of Workers, Information and Education, and Measures of Application.