Still very low levels the toxic mold species Stachybotrys and Memnoniella are the only species to be considered an issue at this level. Even Stachybotrys is not considered an issue if the sample does not also contain water markers like Chaetomium and Fusarium or high levels of Penicillium/Aspergillus. Mold Remediation Services What Is Considered A High Mold Count? The following mold spore ranges use the spore/m3 number and not the raw count for each species when interpreted in a lab’s “Air Sample Report”. A comparison to an outdoor air sample is usually used as the rule of thumb. The two species will grow together also considered toxic.īecause mold spore species and levels differ within each state, agreements are hard to come by with analysts and scientists. MemnoniellaĪ sister mold to Stachybotrys.

These species need a direct water source to grow. The most common toxic mold species, but not all sub-species are toxic. ChaetomiumĪ common water marker that usually indicates wet paper and/or drywall. CurvulariaĪnother common allergenic mold. The most common mold species and is considered to be allergenic.

This group of species only grows with the humidity in the air as its water source. The majority of the hundreds of sub-species are allergenic only a few are toxic. The most common mold spore species to appear in indoor air samples. From the clothes off your back to a breeze coming in through an open window. These microscopic spores can come in many different ways. Mold spores are present in virtually every room of every building. Anywhere between 1-1500 mold spores in a room is normal and safe as long as mold colonies are not visibly growing and no water damage is present. What Level of Mold Spores Is Dangerous? What is Considered A Normal Mold Count?Ī normal mold spore count in a room is typically 200-500 spores.

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