• J. Korean Med. Sci. · Aug 2023

    Review

    Evaluation of Temporal Trends of Lead Exposure in Korean Workers Using Workplace Monitoring Data.

    • Dong-Hee Koh, Sangjun Choi, Ju-Hyun Park, Sang-Gil Lee, Hwan-Cheol Kim, Inah Kim, Jong-Uk Won, Dae Sung Lim, Hoekyeong Seo, and Dong-Uk Park.
    • Department of Occupational and Environmental Medicine, International St. Mary's Hospital, Catholic Kwandong University, Incheon, Korea.
    • J. Korean Med. Sci. 2023 Aug 28; 38 (34): e271e271.

    BackgroundLead, which is widely used in various industrial settings, is a major health hazard for manufacturing workers. Therefore, control of lead exposure has been implemented in an effort to prevent lead-related health problems. In this study, our aim was to evaluate temporal trends in occupational lead exposure in Korean lead workers using data from monitoring of workplace exposure.MethodsA nationwide work environment monitoring database, data from a work environment monitoring institution, and data extracted from a review paper were utilized. Different versions of standard industrial classification codes were aligned with the 10th Korean Standard Industrial Classification, which is generally consistent with the 4th revision of the International Standard Industrial Classification. The multiple data sources were combined and temporal trends over the period from 1994-2021 were estimated. In addition, separate estimation of temporal trends in the storage battery manufacturing industry over the period from 1987-2021 was also performed.ResultsA total of 444,296 personal airborne lead measurements were used for the estimation process. The temporal trends in occupational exposure to lead declined by -6% annually over the study period. In particular, levels of lead exposure in the storage battery manufacturing industry showed a steeper decline of -12% annually.ConclusionsFindings of our study showed that occupational exposure to lead declined over the period from 1994 to 2021 in Korea. However, adverse effects of exposure to lead on health should be regarded with caution. The results will be useful in conduct of epidemiological studies examining lead-related effects on health.© 2023 The Korean Academy of Medical Sciences.

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