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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Monitoring and risk assessment of arsenic species and metals in the Taehwa River in Ulsan, the largest industrial city in South Korea

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Title
Monitoring and risk assessment of arsenic species and metals in the Taehwa River in Ulsan, the largest industrial city in South Korea
Author
Park, Min-KyuChoi, Sung-Deuk
Issue Date
2021-11
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
MARINE POLLUTION BULLETIN, v.172, pp.112862
Abstract
Toxic metals, As, and As species were monitored at 18 stations along the Taehwa River in Ulsan. The concen-trations of Ni (98.4 mu g/L) at stations near industrial areas were relatively high and exceeded the WHO's drinking water guidelines (70 mu g/L) and the US EPA's national recommended water quality criteria (52 mu g/L). Principal component analysis and cluster analysis revealed that Ni and Cu were more strongly influenced by industrial activity than other elements in the Taehwa River estuary. Analysis of the hazard quotient (HQ) and cancer risk (CR) indicated that As was of the greatest non-carcinogenic and carcinogenic concern. Notably, the HQ and CR of AsIII at suburban stations exceeded 1 and 10(-4), respectively, representing a significant health risk. These results indicate that As speciation testing is crucial for the development of effective management plans based on health risks because the toxicity and mobility of As depend on its chemical form.
URI
https://scholarworks.unist.ac.kr/handle/201301/54608
URL
https://www.sciencedirect.com/science/article/pii/S0025326X21008961?via%3Dihub
DOI
10.1016/j.marpolbul.2021.112862
ISSN
0025-326X
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