I welcome the Minister of State. He will be aware of the detail of the matter I am raising. I thank the Cathaoirleach for selecting it for inclusion on this morning's agenda. This matter relates to the difficult and serious issue of pyrite and mica, although I will concentrate on pyrite. I acknowledge the enormous amount of work Councillor Mark Duffy from Ballina, County Mayo, has done on this issue. It was he who first contacted me about the matter and he has persistently contacted me since on behalf of the people…