Glossary of Mold Terms

Humidity Gauge
This is a device that measures the level of humidity in the indoor air.

Heating, ventilation, and air – conditioning system.

Greater than normal sensitivity to mold or chemicals.

An infection of the cornea (eye) cause by certain molds.

Moisture Meter
This is a hand held device that measures the level of moisture in building materials such as drywall, wood, brick, stone, concrete and carpeting.

Molds are fungi which is a classification of organisms separate from plants and animals. There are thousands of known species. Some highly dangerous, some are not. Some molds, known as toxic molds, produce mycotoxins which are substances toxic to animal and human life. Molds reproduce by means of spores which may remain airborne for days or weeks. When spores land on a surface suitable to sustain life, they begin to grow.

This is a secondary spelling for mold.

A mycotoxin is a toxic substance produced by some molds. Where conditions are suitable, fungi proliferate into colonies where mycotoxin levels can become dangerously high.

Negative Pressure
A condition that exists when less air is supplied to a space than is exhausted from the space, so the air pressure within that space is less than that in surrounding areas. Under this condition, if an opening exists, air will flow from surrounding areas into the negatively pressurized space.

Organic Material

This is the matter that has come from once living organisms. Organic matter serves as nourishment for molds and is capable of decay. Examples of Organic Matter are:

  • cardboard
  • the paper covering drywall;
  • the paper covering most ceiling and wall building insulation; and
  • furniture and clothing made of fabrics containing cotton, wool and / or leather.

Personal Protective Equipment
Equipment used during the remediation process and sometimes during the assessment process. The equipment includes gloves, impervious clothing, respirators, and eye protection.

Mold remediation is the process of removing mold from a building after stopping the source of moisture.

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