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Poster Presentations
Day 3, June 24（Tue.）
Room P (Maesato East, Foyer, Ocean Wing)
- 3P-PM-08
Surveillance of Emerging Organic Pollutants in Thailand by Suspect Screening Using High-Resolution Mass Spectrometry
(1KKU, 2UTokyo)
oIttikorn Palee1, Phanwatt Phungsai1, Futoshi Kurisu2
This study focuses on the surveillance of emerging organic pollutants (EOPs) in four major rivers in Thailand using suspect screening with a suspect list of 951 compounds. A total of over 200 compounds were detected, and these compounds were considered potential EOPs. Of these, 184 compounds were commonly detected in all the river samples, providing a broad overview of the presence of EOPs in these water sources. Among the commonly found compounds, 45 were assigned confidence level 2, indicating a reliable match with the existing database. After categorizing the compounds, 17 pesticides emerged as the most frequently detected pollutants in terms of number, followed by 15 pharmaceuticals, 7 industrial chemicals, and 6 personal care products, respectively. The results suggest a significant environmental priority as the primary concern in Thailand due to pesticides. These chemicals frequently enter water bodies through runoff, leading to contamination. However, other compounds were also detected and remain a concern. This finding further underscores the variety of potential EOPs in Thailand's river systems, emphasizing the need for continuous monitoring and regulatory measures.