According to a press release supporting the PET Cup initiative, laboratory experts collected a 1,000-liter water sample from the PETII waste collection vessel, identifying 156 microplastic particles smaller than 5 millimeters in diameter.
Approximately 80% of the particles were polyethylene, followed by 9% polypropylene and 6% PET, all of which are commonly used in packaging.
Additional materials detected included PVC, polystyrene, and polyamide, originating from household, construction, and textile sources. Most particles ranged from 50 to 500 µm, with findings indicating an increased concentration compared to earlier domestic measurements.
“The results show a somewhat higher concentration compared to previous domestic measurements, but due to the diversity and environmental distribution of microplastics, comparisons should be made based on order of magnitude rather than exact figures,” said Dr. Gábor Bordós, head of the microplastic testing lab at Eurofins.
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