Start Topics Radiological Protection Leitstelle C Federal coordinating office for surface water, suspended particulate matter and sediment in inland waters Federal coordinating office C Show copyright information for the image 01 Procedure manuals for surface wateropencloseProcedure for determining radionuclides in surface water by gamma spectrometry (PDF, 677 KB)C-γ-SPEKT-OWASS-01 Procedure for determining the activity concentration of tritium in surface water (PDF accessible, 316 KB)C-H-3-OWASS-01 Procedure for determining the tritium activity concentration in surface water following electrolytic enrichment (PDF, 312 KB)C-H-3-OWASS-02 Procedure for determining strontium-89 and strontium-90 in surface water in cases of normal Conditions (PDF, 726 KB)C-Sr-89/Sr-90-OWASS-01 Procedure for determining the total alpha activity concentration in surface water (PDF, 355 KB)C-α-GESAMT-OWASS-01 Overview Procedure manuals of the federal offices Last updated: 21.10.2013