[Silica risk in construction industry: an investigation on raw materials].

Typical construction activities like demolition, excavation and sanding can expose workers to silica, but there are few investigations carried out with the aim of evaluating the silica content in raw materials used for these activities (mortars, plasters, cement...

Ozone measurements in the urban and extra-urban areas of Pisa during the summer of 1995.

During the Summer of 1995, atmospheric ozone concentrations were measured in five areas with different geographical and environmental characteristics. The five areas included: 1. Pisan coastline.