What is Mold Testing?

 

Mold testing is done by taking a sample of the air or of a surface in the home.  This is done to determine what kind of mold is present, and if it is growing in the area of the home that is being tested.

When testing the air of a room, the tests can be done in many different ways.  The most used method is known as a ‘spore trap’.  The sample is called a ‘spore trap sample’.  These traps catch mold spores by having a fixed amount of air come into contact with a surface that catches spores as they travel through the device.  Mold makes up a small percentage of the particles that are captured by the device, so it is necessary to send the device to be tested.20150103_144708

When the mold is tested in the laboratories, it is necessary to classify the findings, so stains are applied to the mold found in the device.  These stains allow the testers to identify the types of mold, but also judge the extent of the growth by assessing the numbers of spores in the trap.

If the mold comes from a surface, then there are several different ways that samples could be collected.  The first is using what is known as bulk samples.  This would be when a large piece of the sampled area that had mold would be sent to lab for testing.  For example, if the home has mold on drywall, then a piece of the drywall could be removed and sent for the tests.

The next surface test would be based upon swab samples.  A cotton swab is moved across the area of a smaller size.  Once the swab has been completed, then it is carefully packaged and sent for testing.

The third sample is taken through tape sample.  Clear tape is pressed to the mold, and then the tape is removed from the sample area.  Using tape, the mold sticks and is removed when the tape is removed.  This sample can then be packaged and sent for testing.

When the mold arrives in the laboratory, there are several ways to test it for the type of mold that is present in the sampled area.  One of the most common is to create a microscope slide from the mold sample, and then the sample can be assessed for type of mold found.  Molds can also be grown in culture in petri dishes to ascertain the type of mold.

Once the mold is identified, then the mold removal company can create a targeted removal plan for the home.  This detailed plan will allow you to repair the damage to the home through mold, and it can make clean-up much quicker and complete.

 

 

 

 

 

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