1. Council of the European Communities (1980) Directive relating to the quality of water intended for human consumption, 80/778/EEC. Official Journal of the European Communities L229. Council of Europe, Brussels
2. Choice of dose measure for extrapolating carcinogenic risk from animals to humans: an empirical investigation of 23 chemicals;Crump;Health Physics,1989
3. Fawell J. K. (1991) BCPC Monograph No. 47, 205
4. Galal-Gorchev H. (1993) Safety of Water Disinfection: Balancing Chemical and Microbiological Risks, ed. G. F. Craun, pp. 463. ILSI Press Washington, DC
5. Nitrate, nitrite and N-nitroso compounds