Indoor air quality

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Indoor air quality

According to the U.S. Environmental Protection Agency (EPA) and the National Institute of Occupational Safety and Health, good indoor air quality includes the introduction and distribution of adequate ventilation air, control of airborne contaminants, and maintenance of acceptable temperature and relative humidity. According to ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) Standard 62-1989, indoor air quality is air in which there are no known contaminants at harmful concentrations as determined by cognizant authorities, and that a substantial majority (80 percent or more) of the people exposed do not express dissatisfaction.

indoor air quality

The quality of air inside a building; deemed to be acceptable by ASHRAE if it contains no contaminants at harmful concentrations, and if at least 80% or more of the people in the building who breathe this air do not express dissatisfaction with it.
References in periodicals archive ?
Known as a "green" building, Four Times Square's innovative indoor air quality systems were toured by construction industry leaders as part of the day's events.
In addition, improving indoor air quality decreases absenteeism, reduces medical costs (and law suits) related to respiratory problems, and improves productivity.
With the expected increase in airtightness, it is anticipated that indoor air quality will generally become poorer, resulting in an increase in the number of cases of health symptoms related to poorer indoor environment quality.
But we are looking at making laws that mandate the compliance of high standards and specifications," he said on the sidelines of a two-day meeting organised by the Dubai Municipality that focusses on improving indoor air quality in Dubai.
Linn County s program emphasizes assisting low-income and minority families that are disproportionately impacted by poor indoor air quality.
Poor indoor air quality is an ongoing concern for both real estate managers and their tenants.
High performance buildings (HPB) are designed to enhance Indoor Air Quality (IAQ), in order to optimize energy usage and protect the environment.

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