An opening or pipe installed to provide a flow of air to or from an enclosed area or device, such as roof, attic, foundation, plumbing and exhaust vents; to discharge or permit the escape of moisture, vapour or other gas from inside a building.
The rate at which outside air enters and leaves a building. It is expressed in one of two ways: the number of changes of outside air per unit of time (air exchanges per hour, or _ACH_), or the rate at which a volume of outside air enters.
A resilient floor covering in sheet or tile form composed of a vinyl plastic binder, mineral fillers, and pigments.
VINYL TILES (CONTAINING ASBESTOS)
Tiles that predate 1980 have the potential for containing Asbestos.
Sub microscopic organisms (0.03-0.25 microns) that lack the energy generating enzyme systems necessary to reproduce independent of living host cells. Some viruses, bacteria and fungi are pathogenic – able to cause disease in humans.
An agent that controls or kills specific viruses when used according to label directions.
Trade name for sheet polyethylene, used as a vapour barrier or protective covering.
The process of: 1) evaluating a structure for the presence of contaminated material prior to beginning restoration or remediation work; 2) looking for conditions that, if not corrected during the project, can lead to incomplete removal of the contaminated material or non completion of the project; 3) looking for any potential H&S problems
An empty space; not valid, cancelled, revoked.
Tending to evaporate quickly into the environment.