### PFAS Pollution Summary for Settsu City
In Settsu City, Osaka Prefecture, PFOA, an organofluorine compound used in the past, has accumulated in groundwater and soil, and a 2020 survey detected 1,885.6 nanograms, well above the national standard. This is the highest value in the nation and is attributed to years of industrial activity. On the other hand, the city's tap water meets safety standards and poses no immediate health risk, but people are asked to refrain from drinking groundwater.
In 2024, high levels of PFAS were also detected in the blood of local residents, with about 30% exceeding the guideline values for health risk. Experts are carefully studying the long-term health effects.
The company responsible for the contamination has taken measures such as purifying groundwater and installing an impervious wall, and has provided explanations to local residents. In the future, further monitoring and support for environmental and health effects will be required. It is important to combine the wisdom of science and society to find sustainable solutions.
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