first and second drafts prepared by staff members at the Fraunhofer Institute of Toxicology and Aerosol Research, Hanover, Germany, under the coordination of R.F. Hertel, G. Rosner, and J. Kielhorn, in cooperation with E. Menichini, P.L. Grover, and J. Blok ; P. Muller, R. Schoeny and T.L. Mumford prepared and revised the drafts of appendix I
first draft prepared by the WHO Task Group on Environmental Health Criteria on Principles for Modelling Dose-Response for the Risk Assessment of Chemicals