Mr. Noel Carroll:

I cannot say in the case of a particular local authority. There is a similar problem to the one in County Mayo in County Donegal and the people in question came to meet us. All we could point to was the path taken from the inception of the problem of pyrite heave to the identification of its causes. In conjunction with this, standards were set and the means of testing and remediation established. One could follow the same process to achieve a solution to the block problem. Very simply, people say it is pyrite in the block, but I am not personally aware of definitive reports that identify the problem. I am not sure if that work has yet been done. Pyrite under the floor was such an extensive problem and covered so many houses and estates in so many counties that it lent itself to further investigation. People would probably have to take the same route to establish the cause and means of remediation.