Radon exhalation rate from the latex pillows and its potential exposure to users

Q1 Health Professions Radiation Medicine and Protection Pub Date : 2024-12-01 Epub Date: 2024-09-20 DOI:10.1016/j.radmp.2024.09.003

Phachirarat Sola , Kanokporn Boonsirichai , Santi Raksawong , Ritiron Samran , Pimprapa Chaijak , Hirofumi Tazoe , Chutima Kranrod , Rawiwan Kritsananuwat , Sattawat Jongjitklang , Vichai Puripunyavanich , Masahiro Hosoda , Waleeporn Pongkua , Shinji Tokonami

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Abstract

Objective

To develop a new system to accurately measure the radon exhalation from the latex pillows, and to estimate its potential exposure to users.

Methods

The new system is composed of two loops, the first loop is designed to trap background radon and thoron until their levels are nearly zero, and the second loop is the measurement loop to detect radon and thoron exhalation rates from the pillows.

Results

The results showed that mass radon exhalation rated ranged from 0.18 Bq·kg⁻¹⋅h⁻¹ to 0.78 Bq·kg⁻¹⋅h⁻¹, with an average of (0.36 ± 0.17) Bq·kg⁻¹⋅h⁻¹ in the 9 samples. The average annual effective dose to users in a model room was estimated to be (15.51 ± 12.69) μSv by assuming two pillows was used.

Conclusion

These results demonstrate that the new system can effectively measure radon exhalation rates in latex pillows, and the potential exposure to radon exhalating from the pillows is very low.

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乳胶枕头的氡呼出率及其对使用者的潜在暴露

目的研制一种新的乳胶枕头氡释放量准确测量系统，并评估其对使用者的潜在暴露量。方法该系统由两个回路组成，第一个回路用于捕获本底氡和钍，直到其水平接近于零；第二个回路是测量回路，用于检测枕头中氡和钍的呼气率。结果9个样品的氡质量呼出量范围为0.18 ~ 0.78 Bq·kg−1⋅h−1，平均值为（0.36±0.17）Bq·kg−1⋅h−1。假设使用两个枕头，在模拟室内对使用者的年平均有效剂量为（15.51±12.69）μSv。结论该系统能有效地测量乳胶枕头中氡的释放率，且乳胶枕头中氡的潜在暴露量很低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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