International Ozone-Symposium
	Program

Wednesday, 20 October 1999

16.00 - 18.00

Registration

Thursday, 21 October 1999

08.00 - 08.45	Registration
08.45 - 09.15	Opening Ceremony Music Welcoming address by Dr. Hans Martin Tschudi, President of the Government of the Canton Basel-Stadt Welcoming address by Professor Dr. Christoph Tamm Department of Chemistry, University of Basel Inaugural address by Dr. Ortwin Leitzke President of the European-African- Asian- Australasian-Group of the International Ozone Association (IOA) Music
09.15 - 10.00	Keynote Speech "The Impact of Human Activities on Atmospheric Ozone" by Prof. Dr. Mario Molina, Nobel Prize Winner 1995 Massachusetts Institute of Technology, USA
10.00 - 10.25	Coffee break
	SESSION ATMOSPHERE I Chairman: Dr. Urs von Gunten, Switzerland
10.25 - 10.30	Introduction Dr. Urs von Gunten
10.30 - 11.00	History of the knowledge of ozone in the stratosphere: from Schönbein to the ozone hole Dr. Richard S. Stolarski, USA
11.00 - 11.30	Swiss atmospheric ozone research history and long-term trends from the Swiss ozone measurements Dr. Johannes Staehelin, Switzerland
11.30 - 12.00	Changes in global stratospheric ozone Dr. Neil Harris, United Kingdom
12.00 - 13.30	Lunch
	SESSION ATMOSPHERE II Chairman: Dr. Neil Harris, United Kingdom
13.30 - 14.00	Modelling the ozone layer: a perspective on the Northern Hemisphere Prof. Dr. John A. Pyle, United Kingdom
14.00 - 14.30	Tropospheric ozone, chemistry and man-induced trends Prof. Dr. Dieter H. Ehhalt, Germany
14.30 - 15.00	The connections between changing ozone and changing climate Prof. Dr. Keith P. Shine, United Kingdom
15.00 - 15.30	Ozonation Processes in clouds and during water treatment; a comparison Prof. Dr. Jürg Hoigné, Switzerland
15.30 - 17.30	POSTER SESSION

Friday, 22 October 1999

	SESSION OZONE IN WATER TREATMENT I Chairman: Dr. Johannes Staehelin, Switzerland
09.00 - 09.30	Evolution of drinking water treatment with ozone Dr. Rip G. Rice, USA
09.30 - 10.00	Industrial ozone production Dr. Ulrich Kogelschatz, Switzerland
10.00 - 10.30	Coffee break
	SESSION OZONE IN WATER TREATMENT II Chairman: Dr. Johannes Staehelin, Switzerland
10.30 - 11.00	Effect of ozone on viruses, bacteria, and protozoa in drinking water Prof. Dr. Gordon R. Finch, Canada
11.00 - 11.30	Ozonation of drinking water; Oxidation processes and by-product formation Dr. Urs von Gunten, Switzerland
11.30 - 12.00	Advanced oxidation treatment of paper mill effluent Dr. Christian H. Möbius, Germany
12.00 - 13.30	Lunch
	SESSION OZONE IN ORGANIC CHEMISTRY Chairman: Prof. Dr. Jürg Hoigné, Switzerland
13.30 - 14.00	Organic ozone chemistry: fundamentals and synthetic potentials Prof. Dr. Karl Griesbaum, Germany
14.00 - 14.30	Industrial application of ozonolysis in the fine chemical production Dr. Berndt-Dietmar Schober and Dr. Michael Hartmann
	SESSION OZONE AND LIVING ORGANISMS Chairman: Prof. Dr. Gordon R. Finch, Canada
14.30 - 15.00	Ozone impacts on vegetation Prof. Dr. Jürg Fuhrer, Switzerland
15.00 - 15.30	Ozone as a health risk Prof. Dr. Hermann Kappus, Germany
15.30 - 16.00	Why ozone is useful in medicine Prof. Dr. Velio Bocci, Italy

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