Ads
related to: acceptable indoor mold levels
Search results
Results From The WOW.Com Content Network
Indoor mold (American English) or indoor mould (British English), also sometimes referred to as mildew, is a fungal growth that develops on wet materials in interior spaces. Mold is a natural part of the environment and plays an important part in nature by breaking down dead organic matter such as fallen leaves and dead trees; indoors, mold ...
To eliminate most complaints caused by CO 2, the total indoor CO 2 level should be reduced to a difference of no greater than 700 ppm above outdoor levels. [90] The National Institute for Occupational Safety and Health (NIOSH) considers that indoor air concentrations of carbon dioxide that exceed 1000 ppm are a marker suggesting inadequate ...
Mold allergies are present in a minority of the population that is genetically predisposed to mold, and usually this allergy is not life threatening. Black molds, or so called toxic molds, can ...
Aspergillus penicillioides is a species of fungus in the genus Aspergillus, and is among the most xerophilic fungi. [1]Aspergillus penicillioides is typically found in indoor air, house dust, and on substrates with low water activity, such as dried food, papers affected by foxing, and inorganic objects such as binocular lenses. [2]
If humidity levels do not agree with the time of the year and the temperature during seasons, mold infestation and deterioration of the building will occur due to moisture. An acceptable humidity level in indoor spaces ranges from twenty to sixty per cent year round. [17]
Since the indoor environments that is suitable for human habitation often satisfy the growth requirement for W. sebi, W.sebi would be observed in building wallpaper if the water activity is not controlled as low. [23] The finishing material and moisture level of constructions is critical in terms of fungal growth prevention.