Open AccessAssessment of environmental radioactivity and health hazard at Stara Planina region
Author(s) -
Slavko Dimović,
Boris Vakanjac,
Ivana V. Jelić,
Milena Rikalović,
Vesna Ristić-Vakanjac,
Radoje Banković
Publication year - 2020
Publication title -
nuclear technology and radiation protection
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.31
H-Index - 16
eISSN - 1452-8185
pISSN - 1451-3994
DOI - 10.2298/ntrp2004354d
Subject(s) - radium , tailings , context (archaeology) , environmental science , toxicology , uranium , human health , health hazard , environmental chemistry , environmental health , radiochemistry , chemistry , geography , biology , medicine , metallurgy , materials science , archaeology
The aim of the study was to evaluate the potential risks of radiation near abandoned uranium mines, tailing dumps, or uranium deposits on Mountain Stara Planina, Serbia. For risk assessment several parameters were determined: radium equivalent activity, Raeq, external hazard index, Hex, gamma radiation absorbed dose rate, D, annual effective dose on background outdoor gamma exposure, AEDoutdoor, and excess lifetime cancer risk, ELCR. Obtained results showed that all the samples, except one, have the Raeq value up to two times higher than the reference limit. The Raeq of the sample from the Mezdreja mine tailings was increased by almost eight times. The value of Hex followed the same pattern as Raeq. All the investigated localities have increased D values, while all the samples have shown the moderately low AEDoutdoor, except Mezdreja mine tailings that have 5.5-2.8 times higher dose relative to the world's average. ELCR at the Mezdreja mine tailings is 4.58 times higher than the world's average of 1.45?10?3. In the context of human activity in the area of Stara Planina such as different kinds of tourism, livestock breeding, dairy products, and herbal manufacturing, etc. there is a need for detailed analysis in order to evaluate potential human exposure and health impacts.