Decay system

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A decay system is a technical system for storing radioactive wastewater until, after a sufficiently long decay time, the radioactivity has subsided to such an extent that the wastewater can be discharged into the sewer system. Decay systems are used in particular in the context of nuclear medicine diagnostics and therapy (here in particular radioiodine therapy ).

In Germany, according to § 9 of the Radiation Protection Ordinance (StrlSchV), the granting of a handling permit is tied to the condition, among other things, that "overriding public interests, in particular with regard to the environmental impact, do not conflict with handling". In addition, according to § 29 StrlSchV, radioactive waste (and wastewater) may only be released if the specific activity (in Bq / g ) for the respective radionuclide falls below the value specified in Annex III of the Radiation Protection Ordinance. The technical implementation in Germany is regulated in part 2 of the multi-part DIN standard 6844 ("Nuclear Medicine Companies - Part 2: Rules for the establishment and equipment of companies for the therapeutic use of unsealed radioactive substances").

See also

Individual evidence

  1. § 9 Radiation Protection Ordinance 2011
  2. § 29 Radiation Protection Ordinance 2011

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