Abstract
Actually is recognized the importance of indoor air environment and associated health risks. In order to evaluate indoor air quality and to characterize the particles in terms of size, composition and shape were done measurements of the suspended particulate matter in a mechanical workshop of the Polytechnic University of Valencia (Spain). These measurements were performed using scanning electron microscope (SEM) with energy dispersive X-ray microanalysis (EDX) and image digital analysis. To differentiation of individual particles in the fine- ultrafine fraction, in some case, was used the atomic force microscopy (AFM). Multivariate statistics, such as hierarchical cluster analysis and factor analysis were appliqued and allowed to establish groups of elements and in this way to facilitate the identification of the natural and anthropogenic sources. It is confirmed that indoor air is influenced by outdoor surroundings and the anthropogenic sources due to the daily activity.
Highlights
The health effects of particulate matter have been extensively studied
Particle size is an important factor regarding the health problems by particulate matter as it determines the site of deposition in the respiratory tract [5,6] and the ultafine particles would be distributed into the cardiovascular system [7]
Altought adverse health effects of particulate matter are mostly attributed to finer fractions, only smaller particles reach the deepest region of the lungs, it has demonstrated that ambient coarse particles may have negative effects that both coarse and fine particles represent a risk to health with different adverse effects [8]
Summary
The health effects of particulate matter have been extensively studied. Particle size is an important factor regarding the health problems by particulate matter as it determines the site of deposition in the respiratory tract [5,6] and the ultafine particles would be distributed into the cardiovascular system [7]. The determination of elemental composition of particles is necessary to obtain a complete knowledge, as possible, of their chemical composition. The health effects of indoor air pollution have received relatively little attention and much less is know in indoor working environments [9, 10]. This paper presents a study of particulate matter in an indoor working atmosphere of Polytechnic University of Valencia (Spain) to obtain knowledge about their air quality. That will proportioned valuable information for the identification of major emission sources of particulate matter
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