Table 2.
Indoor air pollutants from human activity.
| Emission sources | Pollutants |
|---|---|
| Construction materials | Radon |
| Wood compounds | Formaldehyde, fibreglass |
| Insulation | Asbestos |
| Fireproof materials | VOC, lead |
| Facilities and furniture | CO, CO2, NO2, NO, VOC |
| Heating, kitchens | Particulates |
| Photocopiers | Ozone |
| Ventilation systems | Microorganisms |
| Smoking | CO |
| Air fresheners | Fluorocarbons |
| Cleaning | VOC |
CO: carbon monoxide; CO2: carbon dioxide; NO: nitrogen monoxide; NO2: nitrogen dioxide; VOC: volatile organic compounds.