QUESTION

What are the major reasons for poor indoor air quality for office workers?

1. Poor housekeeping practices/protocols, humidifier fever, microbial contamination.
2. Poorly designed or ventilation systems, indoor air pollution sources, uses of building not anticipated when building was designed.
3. Uses of building not anticipated when building was designed, poor indoor air quality, poor housekeeping practices/protocols.
4. Poor indoor air quality, hypersensitivity pneumonitis, indoor air pollution sources.

ANSWER:

2. Poorly designed or ventilation systems, indoor air pollution sources, use of building not anticipated when the building was designed.

WHY IS IT RIGHT

Molten metal ironworks, plastic and chemical plants harbor very serious […]