Assessment of released natural radionuclides by waste rock pile and mining pit associated with a uranium mine at Caldas, Minas Gerais, Brazil

WS Pereira, A Kelecom, M Charles-Pierre… - … Science and Pollution …, 2022 - Springer
Abstract The Ore Treatment Unit was a uranium mining company that is currently being
decommissioned. The local rainfall index makes it necessary to release effluents into the …

N-nitrosamines in Qingdao dried aquatic products and dietary risk assessment

S Wang, F Sun, S Wang, X Lv, J Zhao… - Food Additives & …, 2023 - Taylor & Francis
ABSTRACT N-nitrosamines are human carcinogens commonly present in dried aquatic
products. A method of gas chromatography–mass spectrometry combined with steam …

Ingestion exposure of public to natural radionuclides and committed effective dose and cancer risk through tuber crops cultivated in Ebonyi State, Nigeria

FO Ugbede, GK Agbajor, AF Akpolile… - Environmental …, 2023 - Springer
Internal exposure of public to radiation arising from ingestion of natural radionuclides in
tuber crops of Ebonyi State origin was investigated in this study. Committed effective doses …

Environmental impact assessment due to the intake of uranium contained in surface waters in a semi-arid region in Brazil

W de Souza Pereira, A Kelecom, JM Lopes… - … Science and Pollution …, 2024 - Springer
Abstract In Santa Quitéria City, part of the population uses surface water for potation. These
waters do not undergo any treatment before consumption. As the region has a deposit of …

Simultaneous determination of 226Ra and 228Ra in food samples using liquid scintillation counting

Q Zheng, Y Zhang, L Yin, Y Qian, Y Ji - Food Chemistry, 2024 - Elsevier
Abstract The 228 Ra and 226 Ra isotopes of radium are significant contaminants in food,
raising public concern because of their radiotoxicity. Several methods are available for …

Intake of natural radionuclides present in organic and conventional foods: radiological aspects

AKS Paiva, WS Pereira, JM Lopes, LB Silva… - … of Radioanalytical and …, 2022 - Springer
Conventionally and organically grown vegetables were analyzed with gamma spectrometry,
and its activity concentration were obtained for 40K, 228Ra, 226Ra and 228Th. Committed …

Application of radiological assessment as water quality criterion for effluent release in a Brazilian uranium mine

WS Pereira, A Kelecom, JM Lopes… - … Science and Pollution …, 2023 - Springer
Uranium mining causes several radiological impacts on the surrounding environment,
notably in the water bodies, mainly due to the release of long half-life radionuclides from the …

An assessment of radiological risks and chemical toxicity due to naturally occurring radionuclides in surface waters of a semiarid region in Brazil

W de Souza Pereira, A Kelecom, JM Lopes… - Journal of Hazardous …, 2024 - Elsevier
Santa Quitéria, a city in northeastern Brazil, faces significant challenges in ensuring the
availability of potable water due to its semi-arid climate and limited water resources. This …

Excess lifetime cancer risk due to ingestion of fish from a dam reservoir associated with a nuclear facility in Brazil

WS Pereira, A Kelecom, AS Carmo, JM Lopes… - Applied Radiation and …, 2023 - Elsevier
Fish from a Funil dam reservoir associated with a Nuclear Fuel Factory were sampled
aiming to assess the radiological risk due to ingestion. Funil dam reservoir is a strategic site …

[HTML][HTML] Radiological risk assessment in the Asian green mussel (Perna viridis) and the Thai seafood consumers

A Srilerd, N Kungskulniti, Y Tumnoi… - Environmental …, 2024 - Elsevier
There are several sources of radionuclides to be accidentally and routinely released into the
marine ecosystem leading to bioaccumulation of such radionuclides in marine biota in …