[The activity of the Service for Prevention and Safety in Workplaces of the Health Local Agency of Rome C towards the "competent physicians" in the enterprises of the territory].

In the past seven years the Service for Prevention and Safety in Workplaces of the Health Local Agency of Rome C set out some activities towards the occupational physicians (so-called "competent physicians") of three different kinds: control and surveillance, institutional activities on demand and activities for quality improvement. In the first ambit we conducted some investigations on the procedures of the workers' medical surveillance and the role of competent physicians in the risk evaluation inside three different intervention projects (monitoring the enforcement of the D.Lgs.

[Biological and chemical risks in haemodialysis centres].

Haemodialysis technique was introduced in 1965 for people afflicted to chronic renal insufficiency, permitting them to survive. The method purifies patient blood who is connected to the equipment by tubes. The equipment uses saline solutions and water and it operates by osmotic pressure and by filtration.