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Updated: Jul 15, 2025
06:43
Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band
Published on: May 2, 2018
7.1K
Instrumentation for measuring equivalent ambient dose in urban buildings using TLDs.
Laura Cardoso Takahashi1, Peterson Lima Squair1, Talita de Oliveira Santos2
1National Nuclear Energy Commission (CNEN), Nuclear Technology Development Center (CDTN), Belo Horizonte, 6627, 31270-901, Brazil.
Summary
This study calibrated Thermoluminescent dosimeters (TLDs) LiF:Mg, Cu, P for environmental monitoring. The calibrated TLDs accurately measured environmental equivalent dose in urban buildings, meeting safety standards.
Area of Science:
- Radiological Protection
- Environmental Science
- Materials Science
Background:
- Thermoluminescent dosimeters (TLDs) are crucial for environmental monitoring.
- Accurate measurement of environmental equivalent dose (H*(10)) is essential for public safety.
- LiF:Mg, Cu, P TLDs are widely used but require precise calibration.
Purpose of the Study:
- To present a calibration methodology for LiF:Mg, Cu, P TLDs.
- To apply these calibrated TLDs for measuring H*(10) in urban indoor environments.
- To validate the TLDs' performance against international standards.
Main Methods:
- Calibration of TLDs LiF:Mg, Cu, P.
- Determination of calibration factors and uncertainty.
- Type testing according to ISO 4037-3 and IEC 62387 standards.
Main Results:
- Established a reliable calibration methodology for the TLDs.
- Measured H*(10) values in urban indoor environments.
- All determined values were within established reference limits.
Conclusions:
- The calibrated LiF:Mg, Cu, P TLDs are suitable for environmental monitoring.
- The methodology ensures accurate measurement of H*(10) in occupied buildings.
- The dosimeters can be reliably applied for assessing indoor radiation doses.
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