Hydrogeological interpretation of natural radionuclide contents in Austrian groundwaters

(1) Geological Survey of Austria (GBA), Vienna, Austria (gerhard.schubert@geologie.ac.at), (2) Geological Survey of Austria (GBA), Vienna, Austria (rudolf.berka@geologie.ac.at), (3) Austrian Federal Ministry of Agriculture, Forestry, Environment and Water Management, Vienna, Austria (Thomas.HOERHAN@lebensministerium.at), (4) Austrian Agency for Health and Food Safety (AGES), Vienna, Austria (christian.katzlberger@ages.at), (5) Austrian Agency for Health and Food Safety (AGES), Vienna, Austria (claudia.landstetter@ages.at), (6) Austrian Federal Ministry of Agriculture, Forestry, Environment and Water Management, Vienna, Austria (Rudolf.PHILIPPITSCH@lebensministerium.at)