The environmental intervention works that will be undertaken to improve the quality and sustainability of utilities pro duction can be summarised as follows: èèworks on the thermal cycle, with a view to adapting the heat capacity of the boiler of the SA making it more efficient under the new operating conditions; èèworks to reduce and control emis sions: implementation of the BOOS technique by altering the operation of the existing plant and modifying the working conditions of the burners in the boiler; installation of a system to reduce nitrogen oxides.