RADON AND RADIUM CONCENTRATION IN WATER FROM PUBLIC FOUNTAINS AT THE CENTRAL PARTS OF THE KRATOVO-ZLETOVO VOLCANIC AREA, REPUBLIC NORTH MACEDONIA

Goran  Tasev; Dalibor  Serafimovski; Blažo  Boev; Lazar  Ǵorgiev; Todor  Serafimovski

doi:10.46763/GEOL23372171t

Goran Tasev Faculty of Natural and Technical Sciences, “Goce Delčev” University in Štip, Blvd. “Goce Delčev” 89, P. O. Box 201, 2000 Štip, North Macedoni
Dalibor Serafimovski Faculty of Electrical Engineering, “Goce Delčev” University in Štip, „Krste Misirkov 10-A“, P, O. Box 201, 2000 Štip, North Macedonia
Blažo Boev Faculty of Natural and Technical Sciences, “Goce Delčev” University in Štip, Blvd. “Goce Delčev” 89, P. O. Box 201, 2000 Štip, North Macedonia
Lazar Ǵorgiev Faculty of Natural and Technical Sciences, “Goce Delčev” University in Štip, Blvd. “Goce Delčev” 89, P. O. Box 201, 2000 Štip, North Macedoni
Todor Serafimovski Faculty of Natural and Technical Sciences, “Goce Delčev” University in Štip, Blvd. “Goce Delčev” 89, P. O. Box 201, 2000 Štip, North Macedoni

DOI: https://doi.org/10.46763/GEOL23372171t

Keywords: radon; radium; water; fountains; effective dose; Kratovo; Zletovo

Abstract

The paper presents information about our latest study of radon and radium in drinking water from the public water fountains situated in central parts of the Kratovo-Zletovo volcanic area. Results for the radon in water measurements were as follows: Fountain 1 to Fountain 4 samples, ranged from 6.63 up to 157.73 Bq L-1. Obtained results for the radium in water, Fountain 1 to Fountain 4 samples, ranged from 0.20 up to 1.08 Bq L-1. Both, radon and radium measurements, in water samples from certain fountains have shown significantly higher values than the strictest standards given by the United States Environmental Protection Agency (USEPA) and World Health Organization (WHO), respectively. The committed effective doses for the population consuming the water directly from the fountains or as self-bottled waters from the Kratovo-Zletovo volcanic area were estimated using the concentration of 222Rn and 226Ra in water samples, ranged from 45.47 mSv y-1 to 709.36 mSv y-1, which once again for some fountains were higher than the WHO recommended values of max. 100 mSv y-1.

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