Environ Pollut June 2020 PMID 32113111

Metro station free drinking water fountain- A potential "microplastics hotspot" for human consumption.

V C Shruti, Fermín Pérez-Guevara, Gurusamy Kutralam-Muniasamy

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Abstract in brief

  • Microplastics are found in all samples of water from metro station drinking fountains in Mexico City, with levels ranging from 52 to over 9,000 particles per liter.
  • The microplastics are mostly small fibers (about 75% are 0.1 to 1mm long), mainly transparent, blue, or red, and are made of materials like polyesters and epoxy resin.
  • The presence of these microplastics suggests wastewater discharges may contribute to pollution, highlighting that free public drinking fountains could be potential hotspots for microplastic ingestion by humans, and underscores the need for mitigation strategies.

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WJ
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Jun 25, 2025 · 202 followers View post →