The Department of Infrastructure says it wants to process waste asphalt at a former quarry in Ballasalla for use at the Balthane roundabout.
It's applied for planning permission to process the asphalt containing coal tar at the Old Turkeyland Quarry.
It says the processed material will all be earmarked for the Balthane Roundabout scheme.
And it says the operation would be managed under strict environmental controls.
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