![]() Studies suggest that the ideal relative humidity for buildings is between 40%-60%. Since mold needs moisture to grow using a moisture meter to determine the humidity in a particular property is a good way to also test for mold. That being said, it is important to note that the swabbing testing method does not provide information about the concentration of mold spores present. To determine the type of mold present in a given area, one can swab the mold or a random surface in the property and sent it to a laboratory for analysis. This type of test allows for the identification of the mold species that’s present in a property and the detection of mold spore levels. Using a spore trap, air sample can be collected and sent to a laboratory for analysis. ![]() Below are some of the most common approaches to mold testing. There are various different ways to test for mold within a property. This metric allows for a better understanding of the prevalence and distribution of different types of mold in the affected area. % of the total – The proportion of a specific mold type in relation to all mold samples collected from a property. Spores/M3 or sp/m3 – This refers to the number of mold spores, that are present in one cubic meter of air. Raw Count – This represents the amount of spores in a lab sample. Mold Types – The species of mold that is present Mold Counts – The baseline measurement of mold spores obtained from either an air or surface sample. In order to fully understand what a mold report is saying, you will need to understand what certain mold report terminology means. While it is not possible to determine the amount of live or inactive mold in a property with a test, mold professionals can determine the type of mold, the mold spore concentration, a general idea of where the mold growth is located, and the amount of moisture in a property with testing. What Information is Typically Provided in a Professional Mold Report? That is why we have have written this guide to make it easier for you to understand how to read and interpret mold test results. That being said, figuring out how to read and understand mold test report results can be confusing for people who are not familiar the with the mold inspection process and with mold test reports. Mold tests can provide valuable insights that can make it easier to decide what the ideal plan of action is. The dish is visually analyzed after several days of growth is seen in the dish.How to Read/Interpret Mold Test Report Results Surface sampling is typically performed by rubbing a cotton swab over a surface to be tested and then wiping the same swab over a petri dish with a nutrient material on it.Air sampling which is performed by using a machine that blows ambient air (either outside or inside the home) onto on a petri dish type of plate with a nutrient material on it.Simply stated, the two main sampling methods are… These tests can show many spores (and what type) will grow in a controlled environment after several days. Live Spore Testing – This test is less common but is still useful in certain situations.The tape is then lifted off and submitted to a laboratory for microscopic analysis. Surface sampling is typically performed by applying a piece of clear sticky tape onto a surface to be tested.Air sampling which is performed by using a machine that blows ambient air (either outside or inside the home) onto a sticky glass slide.It is evaluated by microscopic examination at a lab. This test checks for visible presence of mold-like particles but does not show whether the particles are alive, dead or dormant. Non-Viable Testing – This is the most common type of test because it is quite accurate, fairly inexpensive and the results can be obtained quickly. ![]() There are numerous methods of mold testing but the two general categories are live spore testing (viable) and non-viable mold testing.
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