What type of sampling method is used for collecting surface samples?

The type of sampling method commonly utilized for collecting surface samples is tape sampling. This method involves applying a sticky adhesive tape to a surface to capture mold spores and other particulates present. The advantage of tape sampling is that it allows for a non-invasive way to collect samples while preserving the physical characteristics of the sample during collection.

Tape sampling is particularly effective for assessing surfaces where mold growth may be present, as it retrieves a representative sample that can be later analyzed under a microscope or through other laboratory techniques. The tape can capture various sizes of spores and fragments, providing a comprehensive view of the mold presence on that surface.

While swab sampling is another relevant surface sampling technique, it typically involves using a moist or dry swab to collect samples from surfaces. This method is more dependent on the thoroughness of the swabbing technique and may not always capture as wide a variety of particles as tape sampling.

Liquid sampling is associated with collecting samples from water or other fluids, and air sampling focuses on the collection of airborne mold spores, both of which are not applicable to direct surface analysis. Thus, tape sampling stands out as the primary method for enhancing the understanding of mold levels on surfaces.