MONITORING AND CONTROL OF NON-IONIZING RADIATION, AS A FACTOR OF THE LIVING ENVIRONMENT AND OF THE SITES, SOURCES OF NON-IONIZING RADIATION ON THE TERRITORY OF DOBRICH DISTRICT IN 2020.
Abstract
We know many natural sources that create electromagnetic energy such as solar radiation, storms and lightning, electromagnetic radiation from space objects. All this forms the natural electromagnetic background of the Earth. On the other hand, there is no technology, facility, product that uses electric current that does not emit any kind of electromagnetic radiation.
Aim and tasks: Study of the sources of non-ionizing radiation on the territory of Dobrich district in 2020. Aim and tasks: Study of the sources of non-ionizing radiation on the territory of Dobrich district in 2020.
Materials: Sites subject to monitoring according to the schedule for 2020. a total of 26 sites - base stations (BS) of the telecommunications network in Dobrich District. Technical means with which the measurements and method of control of RHI Varna were performed, antenna - isotropic, working frequency band 100 kHz to 3 GHz; uncertainty +/- 20% of the measured value.
Methods: "Methodology for measurement and evaluation of the electromagnetic field in the vicinity of transmitting antennas to mobile communication systems"; Collection of methods for hygienic research; NCHMEH (current NCPHA), Volume IV, Settlement Environment.
Results: From the total of 196 measurements performed in 2020. of exposed parts in areas with high population concentration at different distances to the EMF emitters, show that the lowest measured instantaneous value of power density is <0.1 μW / cm², and the highest - 0.8 μW / cm². In the premises of children's, educational, medical establishments and outdoors the lowest measured instantaneous value is <0.1 μW / cm² and the highest 1.7 μW / cm².
Conclusions: 1. For 2020 the lowest measured instantaneous value is <0.1 μW / cm², and the highest 1.7 μW
/ cm², which is many times less than the MPC 10 μW / cm².2. of mobile operators do not pose a health risk to the population living and residing near them.
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