1. American Petroleum Institute (1982), Review of Groundwater Models, ( Washington, DC: American Petroleum Institute).
2. Anon. (1985), Proceedings of the Workshop on Environmental Modelling for Priority Setting among Existing Chemicals, 11–13 November 1985, GSF-Bericht 40/85 ( Munich: Gesellschaft fur Strahlen und Umweltforschung).
3. Apoteker, A. and Thevenot, D. R. (1983), ‘Experimental simulation of biodégra-dation in rivers. Oxygen, organic matter and biomass concentration changes’, Water Res. 17, pp. 1267–73.
4. Atkinson, R. (1985), ‘Kinetics and mechanisms of the gas-phase reactions of the hydroxyl radical with organic compounds under atmospheric conditions’, Chem. Rev. 85, pp. 69–201.
5. Baalen, C. van and Marier, J. E. (1966), ‘Occurrence of hydrogen peroxide in sea water’, Nature 211, pp. 951–5.