... Society of Heating Refrigeration and Air Conditioning Engineers [ASHRAE], ANSI/ASHRAE Standard 62-1989 Ventilation for Indoor Air Quality). Building codes and standards of care were originally ... appropriate indoor air quality, prevent the spread of infection, preserve a sterile and healing environment for patients and staff and to maintain space and comfort conditions. These demands require ... Indoor and Outdoor Air Pollution 80Various sub-systems that comprise the whole building (thus making the building a system) include, but are not limited to, the roof, walls and fenestration,...