[en] The manual covers the following topics: 1) Background information and general principles; 2) New methods in the treatment of internal contamination by alpha emitters; 3) Emergency local decontamination; 4) Precautions to be taken in the event of hospitalization; 5) Assessment of fitness to resume work after contamination of irradiation accidents; 6) Organization, planning and training. The appendixes are concerned with: A) Samples to be taken in cases of external irradiation or internal contamination; B) Techniques for local decontamination of the skin; C) Basic treatment information for the physician; D) Standard first-aid kits; E) Decontamination room supplies