[Welcoming the guests on behalf of the society for water, soil and air hygiene].
D000397:Air Pollution; D003226:Congresses as Topic; D004782:Environmental Health; D006540:Herbicides; D012958:Societies, Scientific; D012989:Soil Pollutants; D014877:Water Pollution, Chemical / Q000517:prevention & control*
D006540:Herbicides; D012989:Soil Pollutants
Begrüssung der Gäste im Namen des Vereins für Wasser-, Boden- und Lufthygiene