Abstract
Abstract This article is intended to provide information and directions needed in the assessment of indoor aerosols, both in industrial and nonindustrial environments. Section 2 of this material is dedicated to basic explanations needed to understand the scope and directions of the analysis of aerosols in indoor air. It comprises brief considerations about the deposition of particulates in human airways, the characteristics of the particles and aerosol classification. Section 3 describes some widespread types of aerosols found in occupational and domestic environments. The characterization comprises considerations upon chemical composition, size, shape and the influence upon human health. Methods of analysis are also mentioned. Section 4 describes the factors that influence the sampling and storage of aerosols. Section 5 deals with applications of aerosol analysis in industrial hygiene. Sampling, sample preparation and analyse are exemplified on three selected compounds: metallic species, polycyclic aromatic hydrocarbons (PAHs) and silica. Alternative methods for specific applications are presented. Section 6 refers to home and office environments and approaches strategies used for indoor air quality (IAQ) assessment and the analysis of bioaerosols. Section 7 addresses the air standards and their influence upon analytical methodology and instrumentation. Section 8 comprises a brief discussion regarding differences encountered in aerosol analysis in industrial and nonindustrial environments.
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