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<p>Government recently funded an external rapid evidence assessment to better understand
the costs, benefits, and efficiencies of installing filters in washing machines. The
filters aim to trap textile microplastic fibres during the laundry cycle and before
discharge to sewer networks and wastewater treatment works. The assessment concluded
further evidence was needed to determine how to avert additional costs incurred by
consumers of new washing machines with filters, and the consumer’s sustainable disposal
of used filters.</p><p> </p><p>A water industry investigation of the levels and types
of microplastics entering a range of UK wastewater treatment works reported that conventional
treatment can remove 99% of microplastics by number and 99.5% by mass.</p>
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