Cited by 143Water Treatment and DisinfectionAdvanced oxidation water treatmentFecal contamination and water quality

Characteristics of trihalomethane (THM) production and associated health risk assessment in swimming pool waters treated with different disinfection methods

Lee, Jin, Ha, Kwang-Tae, Zoh, Kyung-Duk·2009·Science of The Total Environment

Abstract

Swimming pool water must be treated to prevent infections caused by microbial pathogens. In Korea, the most commonly used disinfection methods include the application of chlorine, ozone/chlorine, and a technique that uses electrochemically generated mixed oxidants (EGMOs). The purpose of this study was to estimate the concentrations of total trihalomethanes (TTHMs) in indoor swimming pools adopting these disinfection methods, and to examine the correlations between the concentrations of THMs and TTHMs and other factors affecting the production of THMs. We also estimated the lifetime cancer risks associated with various exposure pathways by THMs in swimming pools. Water samples were collected from 183 indoor swimming pools in Seoul, Korea, and were analyzed for concentrations of each THM, TOC, and the amount of KMnO(4) consumption. The free chlorine residual and the pH of the pool water samples were also measured. The geometric mean concentrations of TTHMs in the swimming pool waters were 32.9+/-2.4 microg/L for chlorine, 23.3+/-2.2 microg/L for ozone/chlorine, and 58.2+/-1.7 microg/L for EGMO. The concentrations of THMs differed significantly among the three treatment methods, and the correlation between THMs and TTHMs and the other factors influencing THMs varied. The lifetime cancer risk estimation showed that, while risks from oral ingestion and dermal exposure to THMs are mostly less than 10(-6), which is the negligible risk level defined by the US EPA, however swimmers can be at the greater risk from inhalation exposure (7.77x10(-4)-1.36x10(-3)).

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Crossref · 10.1016/j.scitotenv.2008.11.021

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Authors
Lee, J., Ha, K.-T., & Zoh, K.-D.
Affiliations
  • Seoul National University (KR)
  • Seoul Metropolitan Government (KR)
Corresponding author
Zoh, Kyung-Duk
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2009-03
Volume
407
Issue
6
Pages
1990-1997
ISSN
0048-9697 (ISSN-L)
OpenAlex
W1983176982
Cited by
143
References
0
Citations by year
2026: 4 · 2025: 6 · 2024: 2 · 2023: 9 · 2022: 10 · 2021: 8 · 2020: 17 · 2019: 15 · 2018: 15 · 2017: 7 · 2016: 6 · 2015: 11 · 2014: 6 · 2013: 4 · 2012: 10
FWCI
2.98
Type
journal article
Language
en
Open access
closed
Locations
  • The Science of The Total Environment (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Environmental Science › Water Science and Technology › Fecal contamination and water quality
Keywords
trihalomethanes, total trihalomethanes, swimming pool water, disinfection by-products, chlorine disinfection, lifetime cancer risk, inhalation exposure, indoor swimming pools, total organic carbon
MeSH terms
Chlorine, Disinfection, Female, Humans, Male, Neoplasms, Ozone, Swimming Pools, Risk Assessment, Inhalation Exposure, Trihalomethanes

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