microbial contaminant

[ISO 16814:2008, 3.23]:fungal, bacterial, or viral organisms, toxins they produce, or particles bearing such organisms or toxins that are airborne or deposited on indoor surfaces and that can cause disease, irritation, allergic reaction, discomfort or damage to human property.

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mildew

[EPA, Terms & Acronyms Glossary]:a common name for a fungus that leaves a thin white coating on the surface of plants and other materials where it grows. [USDA National Agricultural Library Glossary] [ISO 7482-1:1998, 3.3.3.6]:visible development of saprophytic fungus on Continue reading →