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<p>The Department has not commissioned research or gathered scientific evidence concerning
the effect of open loop scrubber systems (designed to remove a range of contaminants
from a ship’s exhaust gases) on sediments in UK waters.</p><p> </p><p>The Department
is aware of the increasing interest in this area and of the potential effects on the
receiving coastal/marine environment due to wastewater discharges from these systems.
As more robust, scientific evidence emerges, Defra will assess the risks to sediment
and seawater quality.</p>
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