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What are dangerous levels of Stachybotrys?

What are dangerous levels of Stachybotrys?

Currently, there are no accepted guidelines when it comes to acceptable levels of fungal spores, including Stachybotrys spores. Many authors have proposed guidelines but they vary wildly and are largely unsubstantiated [1]. In our experience, anything above 50 spores per cubic metre should be cause for concern.

Is all Stachybotrys black mold?

Symptoms of Black Mold. What Does Black Mold Look Like? Stachybotrys is commonly known as “black mold” because it’s black in color. We see black mold most often when there is flooding or water damage, such as attics, basements, bathrooms, and kitchens.

Is black colored mold always toxic?

Black mold may not be toxic, but it can be an allergenic. Nigrospora is an example of a black colored mold. There is no evidence it is toxic to humans or other living organisms. The most common black mold is Cladosporium, which has no known toxic side effects.

What are the symptoms of Stachybotrys?

Commonly reported respiratory tract symptoms include nasal irritation, burning and congestion, cough, wheezing, chest tightness and dyspnea. Central nervous system manifestations include headache, irritability, lightheadedness, sleeping difficulty, concentration problems and mental fatigue.

How common is Stachybotrys?

In most studies, Stachybotrys has had a low prevalence, being present in less than 3% of samples (214, 267). However, some recent work has suggested that it may be more common than was initially thought (144, 405).

Can a black mold be produced by Stachybotrys?

Further, mycotoxins can be produced by other types of molds besides Stachybotrys and these molds are not always black. Therefore, it is important to not only clean the mold, but find and fix the source of the moisture which allowed the mold to grow.

Is it safe to have Stachybotrys chartarum in your home?

Stachybotrys chartarum and other molds may cause health symptoms that are nonspecific. It is not necessary to determine what type of mold you may have growing in your home or other building. All molds should be treated the same with respect to potential health risks and removal.

Can a Stachybotrys plant produce mycotoxins?

While some strains of Stachybotrys** chartarum (Stachybotrys atra) produce mycotoxins, not all do; depending on the environment, some may even lose the ability to produce these toxins over time.

What to do about Stachybotrys in your home?

Specific Recommendations: Keep humidity levels as low as you can—no higher than 50%–all day long. An air conditioner or dehumidifier will help you keep the level low. Use air conditioner or a dehumidifier during humid months. Be sure the home has adequate ventilation, including exhaust fans in kitchen and bathrooms.