Mold assessment and mold remediation are techniques used in occupational health: mold

Mold

Molds are fungi that grow in the form of multicellular filaments called hyphae. Molds are not considered to be microbes but microscopic fungi that grow as single cells called yeasts...

 assessment is the process of identifying the location and extent of the mold hazard in a structure, and mold remediation is the process of removal and/or cleanup of mold from an indoor environment.
Molds are ubiquitous

Omnipresence

Omnipresence or ubiquity is the property of being present everywhere. According to eastern theism, God is present everywhere. Divine omnipresence is thus one of the divine attributes, although in western theism it has attracted less philosophical attention than such attributes as omnipotence,...

 in nature, and mold spores are a common component of household and workplace dust.