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30778 
Journal Article 
Ventilation for enclosed parking garages 
Krarti, M; Ayari, A 
2001 
1 
ASHRAE Journal
ISSN: 0001-2491 
43 
2 
52-55 
WOS:000167048400009 
Automobile parking garages can be partially open or fully enclosed. Partially open garages are typically above-grade with open sides and generally do not need mechanical ventilation. However, fully enclosed parking garages are usually underground and require mechanical ventilation. Indeed, in the absence of ventilation, enclosed parking facilities present several indoor air quality problems. The most serious is the emission of high levels of carbon monoxide (CO) by cars within the parking garages. Other concerns related to enclosed garages are the presence of oil and gasoline fumes, and other contaminants such as oxides of nitrogen (NOx ) and smoke haze from diesel engines.