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RSSO Refresher

RSSO Refresher. D. Forkel-Wirth, 25 th January 2013. Radioprotection et Sûreté Radiologique. Rôles RP: Conseiller, Fixer des limites, Suivre et contrôler, Intervenir en cas de problèmes…. Rôle Départements: Piloter. accélérateur, détecteur (voiture).

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RSSO Refresher

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  1. RSSO Refresher D. Forkel-Wirth, 25th January 2013

  2. Radioprotection et Sûreté Radiologique Rôles RP: Conseiller, Fixer des limites, Suivre et contrôler, Intervenir en cas de problèmes…. Rôle Départements: Piloter accélérateur, détecteur (voiture) Sûreté: conditions d'exploitation correctes des faisceaux et des détecteurs, système d'accès, détection incendie, système de refroidissement, manipulation de matières radioactives (réparation, entretien, transport, stockage)

  3. General Principles of Radiation Protection • Justification • any exposure of persons to ionizing radiation has to be justified • 2) Limitation • the personal doses have to be kept below the legal limits • 3) Optimization • the personal doses and collective doses have to be kept as low as reasonable achievable (ALARA)

  4. ALARA Principle

  5. The 2007 Recommendations of the International Commission on Radiological Protection ICRP Publication 103 Ann. ICRP 37 (2-4), 2007Abstract - These revised Recommendations for a System of Radiological Protection formally replace the Commission’s previous, 1990, Recommendations; and update, consolidate, and develop the additional guidance on the control of exposure from radiation sources issued since 1990.Thus, the present Recommendations update the radiation and tissue weighting factors in the quantities equivalent and effective dose and update the radiation detriment, based on the latest available scientific information of the biology and physics of radiation exposure. They maintain the Commission’s three fundamental principles of radiological protection, namely justification, optimisation, and the application of dose limits, clarifying how they apply to radiation sources delivering exposure and to individuals receiving exposure.The Recommendations evolve from the previous process-based protection approach using practices and interventions by moving to an approach based on the exposure situation. They recognise planned, emergency, and existing exposure situations, and apply the fundamental principles of justification and optimisation of protection to all of these situations. They maintain the Commission’s current individual dose limits for effective dose and equivalent dose from all regulated sources in planned exposure situations. They reinforce the principle of optimisation of protection, which should be applicable in a similar way to all exposure situations, subject to the following restrictions on individual doses and risks; dose and risk constraints for planned exposure situations, and reference levels for emergency and existing exposure situations. The Recommendations also include an approach for developing a framework to demonstrate radiological protection of the environment.

  6. CERN Reference Levels Dose objective for 2013: 3 mSv/year - a challenge due to LS1

  7. Individual Dose

  8. Collective Dose

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