ACTION TO TAKE IN THE EVENT OF EXTERNAL IRRADIATION Ensuring the radiation protection of the emergency response and medical teams ACTIVE DOSIMETER (ELECTRONIC) 16 SHEET Characteristics: • Continuous real-time display of the dose accumulated since the start of the operation. • Visual or audio alarm system with adjustable threshold. Use: Real-time measurement and display of the dose received for self-checking purposes. This a device which alerts the user and optimises radiation protection. The responder is alerted about the dose rate and the cumulative dose received since the start of the operation. • Protect the dosimeter from external contamination by placing it in a small zip lock plastic bag. If it is equipped with a beta radiation sensor, keep this sensor visible for better measurement of the dose received. • Wear the dosimeter at chest height (if this is impossible, wear it on the belt) and such that the alarms can be detected. • It may not be possible to wear it under the protective equipment usually recommended for dosimetry. In this case, the employer decides how the dose received by the worker is determined from the exposure measurement. A procedure for the periodic verification (annual) of the radiation protection instrumentation must be put in place so that the devices are always ready to function optimally (check of power supplies, verification of the energy range and the dose and dose rate measurement ranges, verification of their measurement performance). Technical information to verify with an electronic dosimeter: • Suitability for the types of radiation likely to be encountered: X- and gamma-ray energy levels higher than 15 keV, average beta-ray energy levels higher than 100 keV. • Visual or audio alarm systems. © Bertin Technologies © APVL ingénierie 54 MEDICAL RESPONSE IN NUCLEAR OR RADIOLOGICAL EMERGENCY
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