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The ENEA neutron personal dosimetry service
B Morelli1, F Mariotti, E Fantuzzi
1ENEA, Italian National Agency for New Technologies, Energy and Environment, Radiation Protection Institute, Via dei Colli, 16 I-40136 Bologna, Italy. morelli@bologna.enea.it
Radiation Protection Dosimetry
|April 29, 2006
Summary
Italy
Area of Science:
- Radiation Protection
- Dosimetry
- Nuclear Science
Background:
- The ENEA Radiation Protection Institute has provided neutron personal dosimetry in Italy since the 1970s.
- The service evolved, incorporating poly allyl diglycol carbonate (PADC) for fast neutrons and thermoluminescence (TL) for thermal neutrons.
- Recent upgrades include new PADC material (1998), LiF(Mg,Cu,P) detectors for TL dosimetry (2001), and an image analysis system (2003).
Purpose of the Study:
- To present an updated summary of the Italian neutron personal dosimetry service's current operations and performance.
- To detail the methodologies for calibration and traceability for estimating H(p)(10).
- To report on quality assurance procedures implemented in routine operations.
Main Methods:
- Utilizing PADC and thermoluminescence (TL) detectors for neutron dosimetry.
- Implementing LiF(Mg,Cu,P) [GR-200] and (7)LiF(Mg,Cu,P) [GR-207] for thermal neutron detection.
- Employing an image analysis system for fast neutron dosemeter reading.
- Detailing calibration, traceability, and quality assurance (QA) procedures.
Main Results:
- The service has evolved significantly with updated materials and reading systems.
- Performance data from a 1999 EU dosimetry service test are presented.
- Comprehensive QA procedures are in place for dose evaluation.
Conclusions:
- The ENEA service has successfully integrated advanced technologies and materials.
- Robust QA procedures ensure the reliability of neutron personal dosimetry.
- The service maintains high standards for radiation protection and dose assessment.