Dampness is one of the most common causes of poor indoor air in homes, classrooms and public spaces. Mold easily grows in a moist environment, which causes this poor indoor air. However, since molds is not a federally regulated contaminant, a significant amount of uncertainties as to who will conduct the test, as well as what they will be testing is vague since there is no specific guidelines to follow. So if there a mold testing done in a home, one test may render your air negative of molds while another test on the same home may produce a positive one.
Mold testing is important to some who have respiratory issues and are highly vulnerable to mold spores but there are others who just want to test the air quality in their home for their own peace of mind. And this should be a reason for concern to all since while there are some companies who have the capacity to provide a high level of air quality testing, there are also many who are not reputable.
It is then important for any customer to carefully and critically scrutinize the company before hiring them. You also need to understand where the inspector’s focus of attention rest. There are at least two efficacious ways in determining if an actual mold problem exists but there is a problem in determining which is the most adequate.
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These two involves how exactly they get their sample for testing. The two primary types of sample test to determine whether there is a mold issue in a home involves surface sampling, this means that the inspector must positively identity the presence of mold spore deposits in your home and gathering them for further testing. The most common form however, is to evaluate mold level in and out of the home. When the mold testing is done, it will be determined whether the mold level inside is greater than the mold level outside, or vice versa. So with the result of the test the inspector can verify the presence of absence of molds in your home.
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Well of course the most common and effective air testing is the second since many times finding a single mold spore might not even to possible at certain stages.
But then again, there are also several air testing types that others are using. One is through spore traps. This method is somewhat controversial yet is a commonly used method for testing. To collect mold spores, they use a calibrated pump to draw an specified amount of over a greased slide. This method is an impaction method. They also use a Petri dish viable sample for this. Like spore traps, this impaction method places a growing media underneath a pin holed cap and air is drawn over it.