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Regulating Threshold Microplastics Concentrations (TMC) in Global Drinking Water Standards

Natural Built Social Environment Health 2025
Sahil Shrestha, Shukra Raj Paudel

Summary

This viewpoint advocates incorporating Threshold Microplastics Concentration (TMC) limits into drinking water guidelines, arguing that regulatory standards should be proactively established to protect human health even as scientific evidence continues to develop.

Study Type Environmental

Microplastic (MP) pollution is a critical global concern, with MPs frequently detected in drinking water and posing potential health risks through ingestion. Despite growing evidence of their presence across human bodily systems, current drinking water regulations lack specific MP limits. This viewpoint advocates preventive MP management by incorporating Threshold Microplastics Concentration (TMC) into different drinking water guidelines, linking their contaminant-carrying potential. Integrating TMCs into water policies can bridge scientific understanding, technological interventions, and regulatory oversight, fostering a proactive approach to safeguard human health against the growing, yet unseen, threat of MPs in drinking water.

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