The Tanaiste has told the Dail he believes the National Standards Authority of Ireland is reviewing its definitions of defective block causes to ensure the latest research on the issue is being reflected.
Michael Martin was responding to Independent Donegal TD Thomas Pringle, who pointed out the findings of new research, which show the extent to which deleterious materials other than mica are at the heart of the crisis.
He says that must be taken into account……….
