Questions about why the Buchan School site is classed as brownfield have been raised by an MHK from the south of the Island.
Arbory, Castletown and Malew MHK Jason Moorhouse has submitted a question for written answer on the topic.
He's asked Environment Minister Clare Barber what factors led to the former school being marked as brownfield for planning purposes.
Developer Hartford Homes recently unveiled its plans to build 85 homes on the site in Castletown.
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