The purpose of Mold Analysis is to verify by empirical evidence the type and level of mold in an affected location. This not only informs the owner but sets a base line for a successful mold abatement. Without this analysis, you are just assuming many variables. It is in many cases what you do not see, hiding in duct work, wall cavities and closets that causes problems. Without this crucial first step, you truly risk just throwing your money into a project that may not yield positive results. There is only one way to successfully conclude an mold abatement. When the interior home mold levels are less than the exterior (baseline) levels.

Being an accredited OSHA HAZWAPER contractor gives Clean Slate the ability to perform air monitoring in conjunction with National Institute of Safety and Technology (N.I.S.T.) accredited laboratories. The preferred air test is called a Type and Count Analysis. This will give us the exact count of mold spores from a collection of 50 to 100 liters of air drawn through an areo cell 37mm cassette. This is then sent to an N.I.S.T. approved laboratory who can differentiate the spores into hundreds of types of known and identifiable molds.

There are three types of mold that we encounter regularly- Allergenic, Mycotoxic and Pathogenic.

Allergenic Mold

Allergenic Mold is the most common form of mold and also the fastest growing. Some people are more sensitive to these molds than others. Allergenic mold also comes in a large variety of strains with the most common being water born mold- Cladosporium and Penicillium/Aspergillus. These types of Allergenic mold are typically green or black sheet molds and can be found within several weeks of a moisture intrusion.

Pathogenic Mold

The most common pathogenic mold and the only one currently on the radar is Legionnaires, named from the historical mass incident in a Legionnaires Lodge in Philadephia. This mold is only found in still-sitting water that could when a property is left uninhabited with water in the pipes. A water sample has to be drawn and sent to a laboratory to confirm any Legionnaires is present. Typically air monitoring tests do not provide accurate results. Legionnaire’s is considered an immediate danger to life and health.

Mycotoxic Mold

Mycotoxic or Toxigenic mold is the type of strain people do not want to find in their home. In almost every bad case of mold, there is a toxigenic strain associated with it. One quick way to visually tell is when black sheet (most likely penicillium) ages approximately one year, there will be black spots that have a red or pinkish hue somewhere in the middle. The only certain way to know the mold type in any given situation is by Air Type and Count Analysis.

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