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A Guide to Mold Inspection When there is poor indoor air in homes, classrooms, and public spaces, the most common cause of this is dampness. This is because moisture promotes the growth of molds. Molds and not a federally regulated contaminant and because of this there is a significant amount of uncertainties as to who will conduct the test and what it is they will be testing since there is no specific guidelines to follow. Because there are no guidelines, testing for the presence of molds in the home is also confusing since one test may show negative for molds, another may show positive for the presence of molds. 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. This should be a reason of concern to all since some companies are able to provide a high level of air quality testing but there are others who are not reputable. So before hiring a company for mold inspection it is important to make a careful and critical scrutiny of the company. You have to know where the inspector is focusing his attention when you hire someone to do it. 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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The difference between the two methods is how they get their samples 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. Evaluating mold level in and out of the home is the most common form. Once the test has been completed, the level of mold spores inside the home will be compared with the level of molds outside. So with the result of the test the inspector can verify the presence of absence of molds in your home.
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Since it is not possible to find mold spores on surfaces at certain stages, then the second way of finding out is by testing the air. There are a lot of methods for air testing for molds being used today. One is through spore traps. This method is still considered somewhat controversial but also commonly used method. They do this by using a calibrated pump to draw a specified amount of air over a greased slide to collect mold spores. This is an impaction method. A Petri dish viable sampling is another method used. Similar to spore traps, this impaction method instead places a growing media underneath pin-holed cap and air is drawn over it.