If an inspector takes bulk form, tapes, mats, dust, or swab samples, spore numbers are not compared quantitatively to outdoor levels. Thus, the number of spores in these types of samples are often not as important as the numbers found in air samples. Also, because the air is not tested, the inspector can not say for sure how much if any of the form of sample surfaces is in the air we breathe. However, these samples can be useful because they typically provide the analyst with more than mold spores so that identification of mold type can be more accurately by consulting the various structures of the form, not only spores are carried out. In addition to providing more structure for direct microscopic examination of bulk samples are sometimes grown or in laboratory tests, a PCR analysis on species level.

Test form with the strip

When a tape sample of actual mold from a moldy surface taken with biotope, a clear piece of Scotch or a sticky Cyclex slide, the sample often show entire mold structures including spore forming structures hyphae. These can be used to confirm mold growth more confidently and rule out the possibility that the sample was just settled spores only.

Mold Testing of pooled samples

When a bulk sample of actual mold or moldy material is sent to a laboratory, the laboratory with clear scotch tape to take a sample of the bulk molding material for microscopic examination. The lab may culture some of the items in bulk form of a Petri dish for analysis of colonies at the species level.

Mold Testing /> carpet dust
When a dust sample is analyzed, it can be on a slide for direct examination of spores in the dust be placed directly hidden visible. This is a very common method used by most mold inspectors labs and has become in the industry. This popular method may be helpful but many spores not seen because spores are hidden behind dust, or the spores well with dust. The laboratory often show very low levels of spores, even if the carpet sample was obviously very moldy. This inspector has seen this happen many times with various dust samples tested in different laboratories. If studies are to what is normal and what elevated spore levels carpet dust, the scientists who are on projects and labs use the form they use for dust analysis work completed very different analysis.

They wash the dust and dust filter on the sensor with a mild solvent and culture the spores in a petri dish. This method is usually released tens of thousands of spores or even hundreds of thousands or millions of spores. Their auditors must be aware to expect different methods and different results when interpreting dust sample results.

Mold Testing with buffer

A sterile swab from a microbiology laboratory provided is sometimes used for sampling. This does not look like this method because the examiners in the use of tape, however, the mold structures are always broken in the use of tampons. Thus, significant structural identification of mold spores and counting are not ready for testing mold with swabs. Many mold inspectors do not have adequate training to make a cotton swab on nearly every inspection, not to use because of a thought-out plan for sampling, but simply because the lab gave the samples.


Sampling of fungi