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Updated: Jan 28, 2026
10:11
Whole-Body Nanoparticle Aerosol Inhalation Exposures
Published on: May 7, 2013
16.3K
Source specific exposure and risk assessment for indoor aerosols
Antti Joonas Koivisto1, Kirsten Inga Kling2, Otto Hänninen3
1National Research Centre for the Working Environment, Lersø Parkallé 105, Copenhagen DK-2100, Denmark.
The Science of the Total Environment
|March 10, 2019
Summary
Improving indoor air quality (IAQ) is crucial for health. This study highlights the need to identify, quantify, and assess indoor emission sources for better risk assessment and interventions.
Area of Science:
- Environmental Health
- Occupational Health
- Building Science
Background:
- Poor air quality significantly contributes to global disease and mortality.
- Humans spend most time indoors, making indoor air quality (IAQ) critical for exposure.
- IAQ is compromised by outdoor pollution infiltration and indoor emission sources.
Purpose of the Study:
- To identify knowledge gaps in effective IAQ improvement strategies.
- To emphasize the need for quantitative understanding of indoor emission sources.
- To lay the foundation for a general exposure assessment model for IAQ.
Main Methods:
- Reviewing current knowledge on IAQ challenges and emission sources.
- Proposing systematic methods for indoor aerosol emission source assessment.
- Highlighting the need for documentation of emission sources with aerosol and biological metrics.
Main Results:
- Current emission regulations primarily focus on outdoor sources, neglecting indoor ones.
- Quantitative data on indoor emission sources and their health impacts are lacking.
- A comprehensive model requires systematic assessment methods, documented emission data, and default parameters.
Conclusions:
- Effective IAQ improvement necessitates identifying, characterizing, and quantifying indoor emission sources.
- Accessible data on indoor sources is essential for exposure assessment and risk management.
- A generalized exposure assessment model would benefit public health, product safety, and industrial hygiene.
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