110 
40. Jahresber. Dt. Hydrogr. Inst. 1985 
Advisory Group on a Data Base for the Revision of the Agency's De 
finition and Recommendations for Radioactive Matters under the London 
Dumping Convention: Dr. Nies 
Advisory Group on "The Definition of DeMinimis Quantities of Radio 
active Waste exempted from Special Permits under the London Dumping 
Convention": Dr. Nies 
OECD/Kernenergie-Agentur (OECD/NEA, Nuclear Energy Agengy) 
Executive Group for Research on Sea Disposal of Radioactive Waste: Dr. 
Nies 
Physical Oceanography Task Group for Research on Sea Disposal of Radio 
active Waste: Dr. Mittelstaedt 
Radiological Surveillance Task Group for Research on Sea Disposal of 
Radioactive Waste: Dr. Nies 
Seabed Working Group/Physical Oceanography Task Group: Dr. Mittelstaedt 
Expert Group to Review the Continued Suitability of the Dumping Site 
for Radioactive Waste in the Northeast Atlantic: Dr. Nies 
International Maritime Satellite Organization (INMARSAT) 
Council 
Advisory Committee on Technical and Operational Matters (ACTOM): 
Hammerschmidt 
Kommission der Europäischen Gemeinschaften 
Arbeitsgruppe "Umweltfragen" (ENV): Dr. Koopmann 
Arbeitsgruppe "Überwachung und Kontrolle der Abfälle aus der Ti02-Pro- 
duktion in der Umwelt": Dr. Grabert-Carlson, Rühl 
Arbeitsgruppe "Versenkung von Abfällen ins Meer": Rühl 
Arbeitsgruppe "Vereinheitlichung der Anforderungen an Radaranlagen": 
Hammerschmidt, D. Schmidt 
Arbeitsgruppe "Technische Anforderungen an Positionslaternen”: M. 
Kuleisa 
European Association of Scientists for Experiments on Pollution (EURA- 
SEP), NIMBUS-G/Coastal Zone Colour Scanner Experiment 
Working Group D (Sea Truth Measurements): Dr. Gienapp 
Cooperation Européenne dans le Domaine de la Recherche Scientifique et 
Technique (COST): Dr. Gienapp