In 1969 the international agency for research on cancer iarc initiated a programme on the evaluation of the carcinogenic risk of chemicals to humans involving the production of critically evaluated monographs on individual chemicals the programme was subsequently expanded to include evaluations of carcinogenic risks associated with. Iarc monographs on the evaluation of carcinogenic risks to humans diesel and gasoline engine exhausts and some nitroarenes international agency for research on cancer. The iarc monographs identify environmental factors that are carcinogenic hazards to humans these include chemicals complex mixtures occupational exposures physical agents biological agents and lifestyle factors national health agencies can use this information as scientific support for their actions to prevent exposure to potential carcinogens. Iarc monographs on the evaluation of carcinogenic risks to humans some chemicals that cause tumours of the kidney or urinary bladder in rodents and some other substances volume 73 this publication represents the views and expert opinions of an iarc working group on the evaluation of carcinogenic risks to humans which met in lyon 13 20 october 1998 1999. Iarc monographs in 1969 the international agency for research on cancer iarc initiated a programme on the evaluation of the carcinogenic risk of chemicals to humans involving the production of critically evaluated monographs on individual chemicals the programme was subsequently expanded to include evaluations of carcinogenic risks asso