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KMID : 1039220190290010057
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Journal of Korean Society of Occupational and Environmental Hygiene
2019 Volume.29 No. 1 p.57 ~ p.68
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Cost-benefit Analysis on Occupational Reference Levels for Radon
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Choi Eun-Hi
Chung Eun-Kyo
Kim Soo-Geun
Jung Myung-Hee
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Abstract
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Objective: The purpose of this study is to propose the benefits of reduction measures according to the occupational radon reference level in order to present basic data for radon management guidelines considering domestic circumstances.
Methods: This study uses radon data measured in the subway stations from 2015 to 2016. Of the total of 4,643 cases, 4,231 cases were analyzed excluding the 412 cases where the values were below 300 Bq/m3.
Results: Cost-Benefit analysis was done on the results of the field survey on subway work sites. At the exposure level of 400 Bq/m3, the ratio between the cost and the benefit was highest at 1 : 1.81(the cost was KRW 1,398,568,032, while the benefit KRW 2,5248,772,841). At the exposure level of 600 Bq/m3, the ratio of cost and benefit was 1: 1.80, at 300 Bq/m3 it was 1.72, at 800 Bq/m3 it was 1.71, at 200 Bq/m3 it was 1.54, and at 100 Bq/m3 it was 1.40.
Conclusions: Radon management in the workplace provides economic benefits and appropriate reduction strategies are needed. In addition, it is necessary to establish and distribute radon exposure assessment procedures and guidelines for the safety and health of employees when exceeding the exposure standard, and guidelines for radon management in the workplace should be established.
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KEYWORD
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cost-benefit analysis, radon, reference level
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