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

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Initial investigation OF 222Rn in the Tbilisi urban environment.

S Pagava¹, V Rusetski, Z Robakidze

¹Radiocarbon and Low-Level Counting Section of I. Javakhishvili Tbilisi State University, 3, I. Chavchavadze Avenue, Tbilisi, 0128, Georgia.

|November 13, 2008

Summary

This summary is machine-generated.

Radon levels in Tbilisi, Georgia, exceed safe limits, posing health risks due to local geology and building materials. This study highlights the urgent need for radon mitigation strategies in the capital city.

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Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films

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Area of Science:

Environmental Science
Radiological Health
Geology

Background:

Georgia's geology features high uranium content, leading to potential radon exposure.
Buildings in Tbilisi utilize local materials, increasing indoor radon risks.
A radiological monitoring program was established to investigate these exposures.

Purpose of the Study:

To conduct a preliminary investigation of radon (222Rn) concentrations in Tbilisi, Georgia.
To assess indoor and outdoor radon levels and gamma exposure rates.
To evaluate radon levels in various water sources.

Main Methods:

Utilized E-PERM systems and GammaTRACER for measurements.
Monitored gamma exposure and radon concentrations in air and water.
Conducted measurements in Sololaki, a historic district, and at borehole openings.

Main Results:

Indoor radon concentrations in Sololaki were 1.5-2.5 times the EPA action level.
Radon-in-air concentrations reached 440 Bq m(-3) and 3,500 Bq m(-3) at borehole openings.
Radon in tap water ranged from 3-5 Bq L(-1), while borehole water showed 5-19 Bq L(-1).
Background gamma absorbed dose rates were 70-115 nGy h(-1).

Conclusions:

Preliminary findings indicate significant radon exposure risks in Tbilisi.
Elevated radon levels in air and water necessitate further investigation and mitigation.
The study underscores the importance of radiological monitoring in areas with high natural uranium content.