Vietnam: Provide personal dosimeters for all workers working in radiation controlled areas

Specifically, according to Article 15 of Circular No. 19/2012/TT-BKHCN of the Ministry of Science and Technology of Vietnam, the organizations and individuals that do radiological works must provide personal dosimeters for all workers working in controlled areas and supervised areas. The organizations and individuals that do radiation works must use the personal radiation dose measuring services at the premises licensed to provide services supporting the application of atomic energy.

Concurrently, the organizations and individuals that do radiations works must formulate and comply with the process of using personal dosimeters, and resolve unusual incidents during the use of personal dosimeters, in particular:

- The radiological workers must properly and reasonably use the radiation inspecting devices and personal dosimeters, and notify the person in charge of safety when the personal dosimeters is put into radioactive fields, radioactively contaminated, damaged, or lost;

- The personal dosimeters that are put into radioactive fields, radioactively contaminated, or damaged, must be immediately sent to the unit that provides personal dosimeter measuring services. While pending the dose results, the premises owner must provide new dosimeters to their workers, or comply with the safety measures to make sure that the dose is not higher than the average dose absorbed by the workers. The incident and relevant documents must be filed and deposited;

- Ensure that the characteristics, frequency, and accuracy of monitoring the dose of occupational radiation are determined, with regard to the potential changes and the level of exposure, the probability and level of potential exposure. The measurement must be carried out at least once every 3 months.

Moreover, the organizations and individuals that do radiations works must ensure that their radiological workers are provided with personal dosimeters when there is internal exposure, and take the measures for assessing the direct or indirect exposure based on the result of monitoring the radiation background, the concentration of radioactive substances at workplaces, the protective equipment being used, and the information about the positions and duration of exposure of workers.

View more details at the Circular No. 19/2012/TT-BKHCN of the Ministry of Science and Technology of Vietnam, effective from December 23, 2012.

Le Vy

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