New standard targets microplastics in environmental waters

ASTM International’s water committee (D19) has approved a new standard that will be used to identify microplastics in environmental water samples. 

William Robberson, P.E., an ASTM member and lead of the microplastics subcommittee, highlighted that this new test method is the first standard to identify plastic in the environment and can be used synergistically with other ASTM standards for sample collection and preparation.

“Imagine trying to determine if water from rivers, lakes, or even your tap contains microplastics,” said Robberson. “These microplastics pose potential harm to wildlife and humans. Detecting and measuring these tiny particles in large water volumes is challenging because of their size and similarity to other materials.”

The new standard provides detailed instructions for scientists and environmental experts to consistently identify and quantify microplastics in water samples. This standard is crucial for those needing to assess the presence and type of microplastics for public health risk assessments, environmental justice, and protection. It is also valuable for researchers, ecologists, regulatory bodies, and water treatment facilities.

This initiative aligns directly with the United Nations Sustainable Development Goals #6 (clean water and sanitation) and #14 (life below water).

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