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EU (1998) European Union Commission Directive of Defining Requirements for the Parameters for Radioactivity for Monitoring the Quality of Water for the Council Directive 98/83 of 3 November 1998 on the Quality of Water Intended for Human Consumption, Draft v3.0 29/11/2005.

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• TITLE: Preliminary Studies on 222Rn Concentration in Groundwater of Yaounde, Cameroon

  AUTHORS: Serge Mbida Mbembe, Bertrand Akamba Mbembe, Josué Maya, Lawan Loubou Mohamadou, Maimounatou Boubakari

  KEYWORDS: Radon Concentration, Groundwater, Annual Effective Dose, Ingestion

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.9 No.7, June 30, 2021

  ABSTRACT: This work presents a preliminary study on groundwater samples carried out from selected groundwaters of some localities of Yaounde, Cameroon. Radon concentration was ranged from 0.11 Bq∙l-1 to 1 Bq∙l-1, with an average of 0.48 Bq∙l-1. The comparison between the physico-chemical parameters and the radon concentrations in groundwater showed a good correlation between these radon concentrations and the values of Electroconductivity (EC). The annual effective dose due to ingestion of radon in water ranged from 0.30 μSv∙y-1 to 7.90 μSv∙y-1 with an average of 1.93 μSv∙y-1. The obtained results of this study were shown that the concentrations of radon in groundwaters and annual effective doses due to ingestion of this groundwater were below the references recommended by WHO.