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346 Nuclear Safety | Progress Report

level of exposure to these hazards. Exposure to sustainable development. The NBR ISO
and risk assessment is therefore the heart 26000: guidelines on social responsibility
of all occupational health and industrial was used as a source of the demands and
hygiene programs involving a continuous expectations of the society, the mechanisms
process of information gathering. The use of of participation of stakeholders and the
a systematic method to characterize work- manifestations of collective will. The proj-
place exposures to chemical, physical and ect recommended a more effective policy of
biological risks is a fundamental part of this mass dissemination, promoting clarifications
process. The study aimed to carry out an eval- to the society as a whole and not only to
uation in a radioactive facility, identifying the population of the surrounding area as a
potential exposures and consequently the more effectively characterization of the social
existing occupational hazards (risk/ agent) responsibility.
in the workplace to which the worker may
be exposed. The study provided an overview Study for the development and
of the perception of the risk founded at the characterization of concepts of
facility studied and has contributed with the high specific mass for protection
occupational health program resources for to the gamma and X radiation
welfare of the worker.
This project aimed at the natural raw materi-
MicroPET Scanner- Evaluation of als produced in Brazil and the production of
Ambient Radiation levels in Positron high density concrete. A methodology was
Emission Tomography/Computed developed for characterization, preparation,
Tomography in MicroPET-CT Laboratory molding, testing to determine the linear at-

tenuation coefficient of experimental and
The present project aimed to evaluate the theoretical calculation of the linear attenu-
radiations levels in a micro PET/CT research ation coefficient, and determination of the
laboratory of the IPEN-CNEN/ SP in full effective Z, culminating with the production
compliance with national and international of an embryo stock data for the specific high
standards. The study, started in April 2014, density prepared with local raw materials.
continued for about two years. The results of
this project demonstrated that the ambient Web-based system to unify the
radiation levels (ambient and effective esti- radiological protection programs: ionizing
mated radiation dose), as well as the effective radiation monitoring and optimization
shielding equipment were both adequate.
Moreover, this study emphasized that it is This research work focuses on the potential
essential to strictly follow the principles of value of Information and Communication
radioprotection in workplace, whenever re- Technologies (ICTs) to enhance communica-
searches involve radioactive unsealed sources. tion and education on Radiological Protec-
tion throughout Brazil. The work includes
Social responsibility in the area of nuclear the informatization of the monitoring policy
energy for power generation in Brazil and techniques, interrelating information
currently scattered in several documents, as
The project focused on nuclear energy for well as new approaches from some recom-
power generation regarding its contribution mendations, presenting several initiatives

Instituto de Pesquisas Energéticas e Nucleares