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Updated: Jan 4, 2026

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

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Published on: December 23, 2022

INDOOR RADON CONCENTRATION AND RISK ASSESSMENT IN SOME DWELLINGS OF OBUASI, MINING TOWN.

Irene Opoku-Ntim^1,2, Aba Bentil Andam², Vicenzo Roca^3,4

¹Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, P.O. Box AE1, Atomic, Ghana, Accra.

Radiation Protection Dosimetry

|November 12, 2019

Summary

This summary is machine-generated.

Indoor radon (222Rn) levels in Ghana were significantly higher during the rainy season compared to the dry season. Building materials also influenced indoor radon concentration, highlighting potential health risks in gold-mining areas.

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Published on: May 7, 2013

Area of Science:

Environmental Science
Public Health
Radiological Protection

Background:

Radon (222Rn) is a naturally occurring radioactive gas and a leading cause of lung cancer.
Indoor radon exposure is a significant public health concern, particularly in regions with specific geological or mining activities.
Understanding seasonal variations and building material influences is crucial for accurate risk assessment.

Purpose of the Study:

To measure indoor radon concentration in dwellings in Obuasi, Ghana.
To assess seasonal variations (rainy vs. dry) in indoor radon levels.
To investigate the relationship between building materials and indoor radon concentration.

Main Methods:

Utilized LR 115 type II strippable detectors for radon measurements.
Monitored 40 dwellings over two major seasons (rainy and dry) in Ghana.
Collected data over a 6-month period for each season per dwelling.

Main Results:

Mean indoor radon concentration was 152.2 ± 10.9 Bqm-3 during the rainy season and 50.5 ± 3.9 Bqm-3 during the dry season.
Recorded effective doses of 3.90 ± 0.3 mSvy-1 (rainy) and 0.6 mSvy-1 (dry).
Observed higher radon levels in the rainy season and a correlation with building materials.

Conclusions:

Indoor radon concentrations in Obuasi exhibit significant seasonal variation, with higher levels during the rainy season.
Building materials play a role in determining indoor radon levels.
Findings underscore the need for radon mitigation strategies in the region, considering seasonal effects and construction practices.