11/20/2020
Molds are very common in buildings and homes. Mold will grow in places with a lot of moisture, such as around leaks in roofs, windows, or pipes, or where there has been flooding. Mold grows well on paper products, cardboard, ceiling tiles, and wood products. Mold can also grow in dust, paints, wallpaper, insulation, drywall, carpet, fabric, and upholstery.
The most common indoor molds are Cladosporium, Penicillium, and Aspergillus.
There are a variety of ways to test for molds. Let’s take a look at some methods.
Swab samples can be used to pull particles for microscopic exam but destroy the identifying conidiophores and hyphae; They are more often used to prepare cultures which have the shortcoming cited above. We make use of swabs to sample for bacteriological contamination.
The tape-lifting method is an easy, quick, and reliable way to get a spore sample from a spot or stain that you suspect is mold. This method can also be used to determine the presence of airborne mold spores by sampling household dust particles. Dust particles adhere to airborne mold before falling to a surface. Because mold requires moisture to grow, a thorough inspection of your home for water leaks and moisture should be performed. This includes pipes behind walls, and roof leaks.
Mold Air Quality the most common form of sampling to assess the level of mold. Sampling of the inside and outdoor air is conducted and the results to the level of mold spores inside the premises and outside are compared. Often, air sampling will provide positive identification of the existence of non-visible mold.