Exposure assessment of radiofrecuency electromagnetic fields in academic areas
DOI:
https://doi.org/10.18004/anales/2018.051(02)47-054Keywords:
Radiation nonionizing, Electromagnetic Fields, Environmental Exposure, Occupational Exposure, Lighting, Paraguay, ArgentinaAbstract
Introduction: Non-ionizing radiation does not have the level of energy required to produce ionization in tissues or cause DNA damage, but can generate thermal and non-thermal effects on human health that are currently the subject of study and discussion. Much of the daily activity in academic areas is performed under the influence of innumerable radiations. Objective: Evaluate the exposure levels to non-ionizing radiation in academic and sensitive areas in different faculties of the National University of La Plata, Argentina. Methodology: The measurements were made using the Narda® NBM 550 instrument with an isotropic measurement probe in the 100 kHz band at 3 GHz. Seven exterior measurements were taken (outdoor) in different Faculties: In the Faculty of Medical Sciences internal (indoor) measurements were made. Of the latter, three environments were selected to determine the main sources of emission. Results: The maximum values obtained from the external and internal measurements were found below the maximum value of 0.2 mW / cm2. At the Faculty of Medical Sciences, specific measurements were made on two sites of high circulation and on one of several hours of permanence at the place of exposure. Data processing revealed that the specific measurements at 20 cm of the electric lighting fixtures were higher than the maximum allowed. Discussion: It can be inferred that although the results of the external measurements made in the different academic fields are within the allowed values, it is recommended that the measurements be made annually and the use of low emission sources
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