This one hundred and third volume of the iarc monographs contains evaluations of the carcinogenic hazard to humans of bitumens and bitumen emissions and of some n and s heterocyclic polycyclic aromatic hydrocarbons referred to as azaarenes and thiaarenes respectively this volume is the fourth in a series of iarc monograph volumes evaluating exposures related to air pollution indeed the iarc monographs advisory group that met in 2004 recommended that iarc develop such series in . Bitumens and bitumen emissions and some n and s heterocyclic polycyclic aromatic hydrocarbons volume 103 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 11 18 october 2011 lyon france 2013 iarc monographs on the evaluation of carcinogenic risks. Bitumens and bitumen emissions and some heterocyclic polycyclic aromatic hydrocarbons b lauby secretan r baan y grosse f el ghissassi v bouvard l benbrahim tallaa n guha l galichet k straif on behalf of the who iarc monograph working group the lancet oncology volume 12 issue 13 pages 1190 1191 december 2011. Monographs provides evaluations of the carcinogenicity of bitumens and their emissions the n heterocyclic polycyclic aromatic hydrocarbons benzaacridine benzcacridine iarc monographs contains evaluations of the carcinogenic hazard to humans of bitumens and bitumen emissions and of some n and s heterocyclic polycyclic aromatic. Carcinogenic risks bitumens and bitumen emissions and some n and s heterocyclic polycyclic aromatic hydrocarbons ncbi bookshelf this volume of the iarc monographs provides evaluations of the carcinogenicity of bitumens and their emissions the n heterocyclic polycyclic aromatic hydrocarbons benzaacridine benzcacridine