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Radon survey in Kalamata (Greece).

A Geranios¹, M Kakoulidou, P Mavroidi

¹Nuclear and Particle Physics Section, Physics Department, University of Athens, Panepistimioupoli 157 71, Athens, Greece. ageran@cc.uoa.gr

Radiation Protection Dosimetry

|September 11, 2001

Summary

A survey of indoor radon concentrations in Kalamata, Greece, found levels generally lower than previous studies. Most measurements were below the National Radiological Protection Board (NRPB) action level, indicating reduced radon exposure risk.

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Area of Science:

Environmental Science
Radiological Protection
Public Health

Background:

Greece lacks a comprehensive national radon survey.
Previous local surveys provided valuable experience in radon measurement.
Indoor radon exposure is a significant public health concern due to its carcinogenicity.

Purpose of the Study:

To conduct indoor radon measurements in Kalamata, Greece.
To assess indoor radon concentration statistics in a specific urban area.
To estimate children's annual absorbed dose from radon exposure at home and school.

Main Methods:

Utilized Kodak LR-115 etched track detectors for indoor radon measurements.
Deployed approximately 500 detectors in dwellings and schools in Kalamata.
Analyzed approximately 370 detector readings to determine radon concentrations.

Main Results:

Indoor radon concentrations in Kalamata were generally lower than in a preliminary Greek survey.
Nearly all measured radon concentrations were below the NRPB action level of 200 Bq.m-3.
Data allowed for the estimation of annual absorbed doses for children.

Conclusions:

Kalamata exhibits relatively low indoor radon levels compared to other Greek regions.
The study provides crucial data for public health authorities regarding radon exposure in Kalamata.
Further national-level radon surveys are recommended for Greece.