Vertical concentration profiles of various particle size ranges of airborne particulate matter were measured from ground level up to 3 m, in outdoor and indoor environments.
Indoor measurements were carried out in an electronics workshop, while two outdoor environments were chosen : a street canyon cutting across a town and an open field situated in a semi-rural environment.
The novel measurement technique employed in this experimental work, which can also be used to determine vertical concentration gradients of pollutants other than airborne particles in different environments, is given particular attention.
Analyses of the collected data for the environments considered are presented and some conclusions and plausible explanations of the profiles are discussed.
The workshop and street canyon environments exhibited larger concentrations and vertical concentration gradients as compared to the sports field.
This indicates that people breathing at different heights are subjected to different concentrations of airborne particulate matter, which has implications for siting air pollution monitors intended for protection of public health and estimation of human exposure.
Mots-clés Pascal : Royaume Uni, Europe, Pollution air, Pollution intérieur, Exposition professionnelle, Particule en suspension, Dimension particule, Teneur air, Teneur air ambiant, Variation spatiale, Variation temporelle, Qualité air, Zone rurale, Zone urbaine, Industrie électronique, Echantillonneur, Méthode optique
Mots-clés Pascal anglais : United Kingdom, Europe, Air pollution, Indoor pollution, Occupational exposure, Suspended particle, Particle size, Air content, Ambient air concentration, Spatial variation, Time variation, Air quality, Rural area, Urban area, Electronics industry, Sampler, Optical method
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0333879
Code Inist : 001D16C06. Création : 27/11/1998.