Perchlorate assessment of the Nakdong and Yeongsan watersheds, Republic of Korea

Oscar Quiñones, Jeong Eun Oh, Brett Vanderford, Ha Kim Joon, Jaeweon Cho, Shane A Snyder

Research output: Contribution to journalArticle

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Abstract

The objective of the present study was to conduct a preliminary assessment for perchlorate in surface water, drinking water, and wastewater treatment plant effluent samples obtained from the Nakdong and Yeongsan watersheds in the Republic of Korea. Samples were analyzed for perchlorate using ion chromatography with suppressed conductivity detection (IC-CD) and/or liquid chromatography with tandem mass spectrometry detection (LC-MS/MS). Method reporting limits were 5.0 μg/L for IC-CD and 0.05 μg/L for LC-MS/MS analysis. At perchlorate levels above 5.0 μg/L, IC-CD and LC-MS/MS provided comparable results. The levels of perchlorate detected in the samples procured from the Yeongsan watershed were <5.0 αg/L in each case. However, Nakdong watershed samples contained perchlorate at levels up to 60 μg/L. The highest concentrations of perchlorate were found in surface water samples, although drinking water contained perchlorate at concentrations up to 35 μg/L. In a subset of samples analyzed by LC-MS/MS, chlorate and bromate also were detected at concentrations ranging from <0.10 to 44 μg/L and <0.10 to 2.6 μg/L, respectively. To the best of the authors' knowledge, this is the first perchlorate assessment reported for water sources in the Republic of Korea.

Original languageEnglish (US)
Pages (from-to)1349-1354
Number of pages6
JournalEnvironmental Toxicology and Chemistry
Volume26
Issue number7
DOIs
StatePublished - Jul 2007
Externally publishedYes

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Republic of Korea
perchlorate
Watersheds
watershed
Ion chromatography
ion chromatography
Chromatography
conductivity
Surface waters
Drinking Water
Water
Bromates
Chlorates
Ions
surface water
Liquid chromatography
Waste Water
Tandem Mass Spectrometry
Water treatment
Liquid Chromatography

Keywords

  • Analysis
  • Korea
  • Perchlorate
  • Surface water

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry
  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Perchlorate assessment of the Nakdong and Yeongsan watersheds, Republic of Korea. / Quiñones, Oscar; Oh, Jeong Eun; Vanderford, Brett; Joon, Ha Kim; Cho, Jaeweon; Snyder, Shane A.

In: Environmental Toxicology and Chemistry, Vol. 26, No. 7, 07.2007, p. 1349-1354.

Research output: Contribution to journalArticle

Quiñones, Oscar ; Oh, Jeong Eun ; Vanderford, Brett ; Joon, Ha Kim ; Cho, Jaeweon ; Snyder, Shane A. / Perchlorate assessment of the Nakdong and Yeongsan watersheds, Republic of Korea. In: Environmental Toxicology and Chemistry. 2007 ; Vol. 26, No. 7. pp. 1349-1354.
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