f..l~ ~~ ~ i' l~'' IIl~ WORLD HEALTH ORGANIZATION INTERNATIONAL AGENCY FOR RESEARCH ON CANCER IAC MONOGRAHS ON THE EVALUATION OF CARCINOGENIC RISKS TO HUMAS Sorne Industrial Chemicals VOLUME 60 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, 15-22 February 1994 1994 IARC MONOGRAHS ln 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. ln 1980 and 1986, the programme was expanded to include evaluations of carcinogenic risks associated with exposures to complex mixtures and other agents. The objective of the programme is to elaborate and publish in the form of monographs critical reviews of data on carcinogenicity for agents to which humans are known to be exposed and on specific exposure situations; to evaluate these data in terms of human risk with the help of international working groups of experts in chemical carcinogenesis and related fields; and to indicate where additional research efforts are needed. This project is supported by PHS Grant No. 5-U01 CA33193-12 awarded by the US National Cancer Institute, Department of Realth and Ruman Servces. Additional support has been provided since 1986 by the European Commission. (êlnternational Agency for Research on Cancer 1994 ISBN 92 832 1260 6 ISSN 0250-9555 Publications of the World Health Organization enjoy copyright protection in accordance col 2 of the Universal Copyright Convention. with the provisions of Proto AIl rights reserved. Application for rights of reproduction or translation, in part or in tata, should be made to the International Agency for Research on Cancer. Distributed for the International Agency for Research on Cancer by the Secretariat of the World Health Organization, Geneva PRINTED lN THE UNITED KlNGDOM CONTENTS ADER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 NOTE TO THE RE LIST OF PARTICIPANTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 PREAMBLE .......................................................... 13 Background ........................................................ 13 Objective and Scope ................................................. 13 Selection of Topics for Monographs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Data for Monographs ................................................ 15 The Working Group ................................................. 15 Working Procedures ................................................. 15 Exposure Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Studies of Cancer in Humans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Studies of Cancer in Experimental Animais .............................. 21 Other Relevant Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Summary of Data Reported ........................................... 24 Evaluation ......................................................... 26 References ......................................................... 30 GENERA REMARKS ON THE AGENTS CONSIDERED 35 THE MONOGRAHS Ethylene ............................................................ 45 Ethylene oxide ..................................................... .. 73 Propylene .......................................................... 161 Propylene oxide ..................................................... 181 Isoprene ........................................................... 215 Styene ............................................................ 233 Styene-7,8-oxide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 321 4-Vinylcyclohexene .................................................. 347 4- Vinylcyclohexene diepoxide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 361 Vinyl toluene ....................................................... 373 Acrylamide ......................................... . . . . . . . . . . . . . . .. 389 N-Methylolacrylamide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 435 CONTENTS Methyl methacrylate ................................................. 445 2-Ethylhexyl acrylate ................................................. 475 SUMMARY OF FINAL EVALUATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 487 APPENDIX 1. SUMMARY TABLES OF GENETIC AND RELATED EFFECTS . 489 APPENDIX 2. ACTIVITY PROFILES FOR GENETIC AND RELATED EFFECTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 509 CUMULATIVE INDEX TO THE MONOGRAPHS SERIES. . . . . . . . . . . . . . . . . .. 533 NOTE TO THE READER The term 'carcinogenic risk' in the lARC Monographs series is taken to me an the proba- ad to cancer in humans. bility that exposure to an agent will le Inclusion of an agent in the Monographs does not imply that it is a carcinogen, only that the published data have been examined. Equally, the fact that an agent has not yet been an that it is not carcinogenic. evaluated in a monograph does not me The evaluations of carcinogenic risk are made by international working groups of in- dependent scientists and are qualitative in nature. No recommendation is given for regu- lation or legislation. Anyone who is aware of published data that may alter the evaluation of the carcinogenic ans is encouraged to make this information available w the Unit of risk of an agent to hum Carcinogen Identification and Evaluation, International Agency for Research on Cancer, 150 cours AIbert Thomas, 69372 Lyon Cedex 08, France, in order that the agent may be considered for re-evaluatIon by a future Working Group. AIthough every effort is made to prepare the monographs as accurately as possible, mistakes may occur. Readers are requested to communicate any errors to the Unit of Carcinogen Identification and Evaluation, so that corrections can be reported in future volumes. -5- IARC WORKING GROUP ON THE EVALUATION OF CARCINOGENIC RISKS TO HUMANS: SOME INDUSTRIAL CHEMICALS Lyon, 15-22 February 1994 LIST OF PARTICIPANTS Members P.A. Bertazzi, Institute of Occupational Health, Clinica deI Lavoro 'Luigi Devoto', University of Milan, via S. Barnaba 8, 20122 Milan, Italy Cl. Calleman, School of Public Health and Community Medicine, Department of Environmental Health, SC-34, University of Washington, Seattle, WA 98195, USA D. Coggon, MRC Environmental Epidemiology Unit, Southampton General Hospital, Southampton, S09 4XY, United Kingdom T.A. Dragani, Division of Experimental Oncology A, National Institute for the Study and Treatment of Tumours, via Venezian 1, 20133 Milan, Italy M.R. Elwell, Toxicology Research and Testing Program, National Institute of Environmental Health Sciences, PO Box 12233, Research Triangle Park, NC 27709, USA H.l. Evans, MRC Human Genetic Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, United Kingdom (Chairperson) l.G. Filser, GSF Institute of Toxicology, Neuherberg, PO Box 1129, 85758 Oberschleiss- heim, Germany M. Gérin, University of Montréal, Department of Occupational and Environmental Health, Faculty of Medicine, CP 6128, Station A, Montréal, Québec, Canada H3C 317 K. Hemminki, Centre for Nutrition and Toxicology, Karolinska Institute, Novum, 141 57 Huddinge, Sweden C Hogstedt, National Institute of Occupational Health, 171 84 Solna, Sweden M. Kirsch- Volders, Laboratorium Antropogenetica, Free University of Brussels, Pleinlaan 2, 1050 Brussels, Belgium W. Lutz, Institute of Toxicology, Swiss Federal Institute of Technology, Schorenstrasse 16, 8603 Schwerzenbach, Switzerland1 lPresent address: Department of Würzburg, Versbacher Strasse 9,97089 Würzburg, Toxicology, University of Germany -7- 8 IARC MONOGRAPHS VOLUME 60 s.s. Olin, International Life SCiences Institute, Risk Science Institute, 1126 Sixteenth Street NW, Washington DC 20036, USA Hygiene, Gyáli ut. 2-6, 1966 Budapest, Hungary A. Pintér, 'lohan Béla' National Institute of P. Schulte, Screening and Notification Section, National Institute for Occupational Safety and Health, Robert A. Taft Laboratories, 4676 Columbia Parkway, R-42, Cincinnati, OH 45226-1998, USA T. Sofuni, Division of Genetics and Mutagenesis, Biological Safety Research Centre, National Institute of Hygienic Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158, 1 apan M. Sorsa, Institute of Occupational Health, Topeliuksenkatu 41 a A, 00250 Helsinki, Finland (Vice-Chairperson) F.M. Sullivan, Division of Pharmacology and Toxicology, UMDS, St Thomas's Hospital, Lambeth Palace Road, London SEI 7ER, United Kingdom YS. Turusov, Cancer Research Centre, Russian Academy of Medical Sciences, Kashirskoye Shosse 24, 115478 Moscow, Russian Federation M.A. Waters, National Institute for Occupational Safety and Health, 4676 Columbia Parkway, R-14, Cincinnati, OH 45226-1998, USA M.D. Waters, International Programs, MD-51A, Health Effects Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC 27711, USA Rep resen tati ves/ observers Natžonal Cancer Institute D. Longfellow, Division of Cancer Etiology, National Cancer Institute, Building 31, Room i 1A03, Bethesda, MD 20892, USA American Industry Health Council l.A. Swenberg, Departments of Environmental Sciences and Engineering, and Pathology, The University of North Carolina at Chapel Hill, CB 7400, Room 357, Rosenau Hall, Chapel Hill, NC 27599-7525, USA European Commission M. laroszewski, Health and Safety Directorate, European Commission, Bâtiment lean Monnet, 2920 Luxembourg, Grand Duchy of Luxembourg European Centre for Ecotoxicology and Toxicology of Chemicals H.-P. Gelbke, Department of Toxicology, BASF AG, 67056 Ludwigshaven, Germany E. Leibold, Department of Toxicology, BASF AG, 67056 Ludwigshaven, Germany Japan Styrene Industry Association l. Miyamoto, Sumitomo Chemical Co., 4-5-33 Kitahama, Chuo-ku, Osaka, lapan PARTICIPANS 9 Secretariat International Programme on Chemical Safety RH. Chen, International Programme on Chemical Safety, World Health Organization, 1211 Geneva 27, Switzerland IARC P. Boffetta, Unit of Analytical Epidemiology E. Cardis, Unit of Analytical Epidemiology M. Friesen, Unit of Environmental Carcinogenesis M.-l. Ghess, Unit of Carcinogen Identification and Evaluation E. Heseltine, 24290 St Léon-sur- Vézère, France P. Kleihues, Director M. Kogevinas, Unit of Analytical Epidemiology2 V Krutovskikh, Unit of Multistage Carcinogenesis l. Little, Unit of Analytical Epidemiology D. McGregor, Unit of Carcinogen Identification and Evaluation D. Mietton, Unit of Carcinogen Identification and Evaluation H. Møller, Unit of Carcinogen Identification and Evaluation V Moreno, Unit of Field and Intervention Studies3 C. Partensky, Unit of Carcinogen Identification and Evaluation 1. Peterschmitt, Unit of Carcinogen Identification and Evaluation, Geneva, Switzerland H. Vainio, Unit of Carcinogen Identification and Evaluation l. Wilbourn, Unit of Carcinogen Identification and Evaluation H. Yamasaki, Unit of Multistage Carcinogenesis Secretarial assistance M. Lézère l. Mitchell S. Reynaud 2Present address: Department of Epidemiology and Public Health, Municipal Institute of Medical Investiga- tion, calle Doctor Aiguades 80, 08003 Barcelona, Spain 3Present address: Autonornous University, Faculty of Medicine, Bellaterra, 08193 Barcelona, Spain
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