[Testing for Pseudomonas aeruginosa: an additional parameter for assessing microbiological quality of dialysis water].

In 1995 the regional council of the Lazio region passed Decree N.1650 which regulates the maintenance of dialysis equipment and sets limiting values for microbiological and chemical parameters used to assess the quality of water used for dialysis fluids. As regards the microbiological parameters, limiting values were set for total bacterial count and endotoxins.

[Effectiveness of the maintenance operations on the air conditioning systems of a university building in relation to the microbiological quality of the air indoor].

The microbiological quality of the air indoor is influenced from various factors and one of the most important is represented from the maintenance of the conditioning systems. In this study it has been estimated the effectiveness of an intervention of cleaning and maintenance on the systems of conditioning of an university building executing sampling before and after such intervention. The two results were confronted and it is observed as the maintenance of the air conditioners has influenced on the quality of the air indoor.