13 Common Indoor Air Quality Conditions That Plagues Us All | CSI ...
Mold and water damaged building materials
When leakage occurs it results in the growth of mold that in turn results in the release of pungent smelling and irritating volatile organic compounds, and allergenic mold spores into your air. Persons with allergies or asthma often have reactions to such contaminates in the air while others may have no reaction at all. People with compromised immune systems may even contract infections from some molds . Some of the most common mold related infections are chronic allergenic fungal sinusitis, this is a type of allergic like reaction and infection that results from spores germinating in the sinuses, the agent of infection is usually Alternaria mold spores . Other persons may develop lung infections caused by certain species of Aspergillus growing in the lungs. Fungal infections are more a product of a person’s poor health than of the environment they are in. Home inspectors, mold inspectors and other building investigators may use a moisture meter to detect moisture hidden inside water damaged building materials.
Infrared cameras can also be used to detect moisture hidden inside walls and other areas by measuring very slight temperature differentials between cooler wet surfaces and warmer dry surfaces. Where there is moisture mold is often not far away. Drying up water within 24 to 48 hours and repairing leaks can go a long way in preventing mold problems .
Elevated RH
Relative humidity is simply a measurement of the amount of moisture in air compared to the maximum amount of moisture that same air could hold at a given temperature and pressure. Example: if your humidity is at 50%RH then your air is about 1/2 full in regards to the amount of moisture it can hold, this is a normal indoor level.
If your humidity is at 65%RH it is about 65% full in regards to the amount of moisture it can hold, levels this high can support mold growth & dust mite growth.
Normal Indoor Humidity - Bookshelf
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