system of control of radioactively contaminated metal scrap in lithuania
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System of control of radioactively contaminated metal scrap in Lithuania. Gendrutis Mork ū nas Radiation Protection Centre Kalvarijų 153, LT-08221, Vilnius, Lithuania [email protected] General situation. all the practices except for irradiation available

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system of control of radioactively contaminated metal scrap in lithuania

System of control of radioactively contaminated metal scrap in Lithuania

Gendrutis Morkūnas

Radiation Protection Centre

Kalvarijų 153, LT-08221, Vilnius, Lithuania

[email protected]

general situation
General situation
  • all the practices except for irradiation available
  • radioactive sources are imported and spent sources exported
  • radiation protection infrastructure in place:
    • notification about intentions to import, export and transport radioactive sources,
    • licensing of practices,
    • keeping of national register of sources,
    • ensuring of physical security of sources,
    • use of safe procedures during their transportation,
    • treatment of radioactive waste and spent sources
legislation
Legislation
  • control of movement of metal scrap
  • detection of radioactivity in metal scrap
  • detection of radioactivity on the national borders
  • dealing with found radioactive sources,
  • radiation protection
  • other related legislation
technical measures
Technical measures
  • monitoring of metal scrap in scrap yards, metal scrap and final products in reprocessing plants
  • monitoring of radioactivity on the borders
  • procedures when radioactive sources are detected
  • more detailed analysis with the aim of characterization of sources in Lithuania and abroad
  • training of involved staff
items already detected
Items already detected
  • contaminated metal
  • materials containing increased concentrations of natural radionuclides
  • sources, previously used in practices
  • commodities containing increased amounts of radionuclides
  • contaminated vehicles have been found

Patients released after nuclear medicine procedures are triggering monitoring systems

training
Training
  • target groups are identified
  • training shall address specific needs of these groups
  • more attention should be given to selection of trainees
  • training should help to optimize the whole system
  • international training courses (due to co-operation) might be useful
international cooperation
International cooperation
  • for information exchange
  • international training courses or national ones with lecturers from other countries
  • existing networks of exchange of information (e.g.,CEEAN) might be used
  • common efforts in more detailed characterization of found materials
observations and conclusions
Observations and conclusions
  • the system should include both general and specific measures
  • training should address different categories of persons involved
  • training should help to optimize the system
  • it has to be of international character
observations and conclusions9
Observations and conclusions
  • monitoring equipment which meets the needs and complies with competence of users should be further developed
  • attention should be paid to quality assurance and particularly elaboration and validation of monitoring techniques
  • international cooperation is important
  • available resources should be effectively used
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