Analysis of solid particulate matter suspended in the air of Cordoba, southwestern Spain.
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Department of Botany, Faculty of Pharmacy, University of Granada, Campus Universitario de La Cartuja, E-18071 Granada, Spain;
Ann Agric Environ Med. 2007;14(2):219-224
An analysis was made of solid particulate matter suspended in the air in the city of Cordoba. Particles greater than 10 micra were collected using volumetric particle samplers (Lanzoni VPPS 2000, Bologna, Italy), and analysed by means of aerobiological methods enabling identification of the source of biological particulate material (BPM). Particles smaller than 10 micra were collected using automatic high-volume air samplers. Subsequent analysis showed that traffic, and particularly diesel engine exhaust emissions, were the main source of non-biological particulate matter (nBPM). The dynamics of airborne BPM and nBPM were also studied over one year: although distribution patterns differed - BPM displaying marked seasonality and non-BPM exhibiting dependence on human activity - the curves ran parallel at certain times of the year. Statistical results point to the possible presence of plant residues on smaller particles. The occurrence of simultaneous peaks in airborne pollen-grain and PM10 counts suggests potential coadjuvant acivity, which may lead to high-risk situations for people with respiratory disease.
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