IAHS1 USH Groundwater Quality:

Remediation and

Protection

Edited by

MIKE HERBERT Applied Geology Group, Geological Institute, University of Tubingen, Sigwartstrasse 10, D-72076 Tubingen, Germany

KAREL KOVAR National Institute of Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands

Proceedings of the GQ'98 conference held in Tubingen, Germany, from 21 to 25 September 1998. This conference was jointly organized by: the Applied Geology Group, Geological Institute, University of Tubingen, Germany the International Commission on Groundwater (ICGW) of the International Association of Hydrological Sciences (IAHS)

IAHS Publication no. 250 in the IAHS Series of Proceedings and Reports

Published by the International Association of Hydrological Sciences 1998 IAHS Press, Institute of Hydrology, Wallingford, Oxfordshire OX10 8BB, UK

IAHS Publication no. 250 ISBN 1-901502-55-4

British Library Cataloguing-in-Publication Data. A catalogue record for this book is available from the British Library.

IAHS is indebted to the employers of the Editors for the invaluable support and services that enabled the Editors to work effectively and efficiently.

The designations employed and the presentation of material throughout the publication do not imply the expression of any opinion whatsoever on the part of IAHS concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.

The use of trade, firm, or corporate names in the publication is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by IAHS of any product or service to the exclusion of others that may be suitable.

The conference organizers would like to express their thanks to all who assisted in organizing the conference. They especially would like to thank the members of the Scientific Advisory Committee who were: Linda Abriola (USA) Bernard Kueper (Canada)

James Barker (Canada) David Lerner (UK)

Philippe Behra (France) Casey Miller (USA)

David Blowes (Canada) Suresh Rao (USA)

Michael Celia (USA) Martin Reinhard (USA)

Vladimir Cvetkovic (Sweden) Haub Rijnaards (The Netherlands)

Gedeon Dagan (Israel) Yoram Rubin (USA)

Andreas Dahmke (Germany) David Sabatini (USA)

Emil Frind (Canada) Edward Sudicky (Canada)

Peter Fritz (Germany) Rene Schwarzenbach (Switzerland)

Robert Gilham (Canada) Georg Teutsch (Germany)

Peter Grathwohl (Germany) Kent Udell (USA)

Majid Hassanizadeh (The Netherlands) Peter Werner (Germany)

Eduard Hoehn (Switzerland)

The Editors wish to acknowledge the conference authors for their patience and cooperation during the editing process.

The papers were checked and reformatted by Cate Gardner, Frances Watkins and Penny Kisby (IAHS Press, Wallingford, UK). Penny Kisby assembled the final camera-ready pages.

Printed in The Netherlands by Krips repro Meppel.