Customs authorities said clinic waste, plastic and polythene was found in most of the 263 holders imported in 2017 by a private firm.
The shipment was intended to be comprised of utilized beddings, rugs and floor coverings.
The greater part of the holders have been put away in stockrooms, with just a limited quantity of material having been re-traded.
Lawful move was made after the Sri Lanka specialists seized the material in 2018.
Authorities said the 21 compartments had left Sri Lanka on Saturday.
Customs representative Sunil Jayaratne said the first importation penetrated worldwide and EU rules and guidelines on risky waste and its removal.
Britain’s Environment Agency said it was focused on handling illicit waste fares.
An EA representative stated: “We are in contact with the Sri Lankan specialists and have mentioned more data which would permit us to dispatch a proper examination.”
A few different nations in the area have as of late returned squander imported from outside nations.
In January, Malaysia returned 42 steel trailers of wrongfully imported plastic waste to the UK.
Altered by NZ Fiji Times
Image source - BBC