EURADOS IC2012N: EURADOS 2012 intercomparison for whole-body neutron dosimetry

Area of Science:

• Radiation Dosimetry
• Nuclear Science and Engineering
• Occupational Health and Safety

Background:

• Individual monitoring of radiation workers is crucial for assessing occupational exposure.
• Neutron dosimetry presents unique challenges due to the complex nature of neutron interactions with matter.
• The European Radiation Dosimetry Group (EURADOS) facilitates intercomparisons to improve dosimetry practices.

Purpose of the Study:

• To evaluate the performance of neutron dosimetry systems used in individual monitoring.
• To assess the accuracy and reliability of personal dose equivalent, Hp(10), measurements.
• To provide participants with data on their dosimetry systems' linearity, reproducibility, and energy/angle dependence.

Main Methods:

• An intercomparison (IC2012n) involving 34 dosimetry systems from 31 participants was conducted.
• Systems included passive and active neutron dosemeters utilizing thermoluminescence, PADC, OSL, fission tracks, and silicon diodes.
• Irradiation tests simulated workplace fields and assessed system responses across various energies and angles.

Main Results:

• The study analyzed the results from the EURADOS IC2012n intercomparison.
• Performance data regarding linearity, reproducibility, and response to different neutron energies and angles were collected.
• The analysis focused on dosimetry systems routinely employed for radiation worker monitoring.

Conclusions:

• The intercomparison provided valuable performance data for a wide range of neutron dosimetry systems.
• Findings will inform improvements in neutron dosimetry practices and the reliability of personal dose equivalent measurements.
• The study highlights the importance of regular intercomparisons for maintaining high standards in radiation protection.