A highly hygroscopic compound (CaCl2) used in an anhydrous (dry) state for testing moisture content of various surfaces. A dry sample is weighed, then placed on a surface (concrete slab) and allowed to absorb moisture for a specified time.
A measurement or comparison against a standard. Determining equipment deviation from a standard source so as to ascertain the proper correction factors.
A highly infectious gram-negative bacterium, often found in sewage. Gram-negative bacteria contain endotoxins, which are released at the time of cell death and destruction, and can cause a variety of allergic reactions and illness.
A covering above a niche, pulpit, entry, loading dock or the like.
The general behaviour of fluids acting with surface tension on interfaces or boundaries.
The movement of a liquid through a slender pathway. It is caused by adhesion, cohesion, and surface tension in liquids and their contact with the solid pathway.
An insurance agent who represents a single insurer exclusively.
(CO2) – A colourless, odourless, non-flammable, potentially hazardous gas, which results primarily from human activity indoors. It is removed from the air by plants during photosynthesis, and converted into oxygen. Elevated levels of CO2 are extremely dangerous to animals, and can cause death
(CO) – A colourless, odourless, poisonous gas that results from incomplete combustion of carbon. The EPA ambient air quality TLV for carbon monoxide is 35 ppm for 1 hour, and 9 ppm for an 8-hour period.
A substance or agent that can cause a growth of abnormal tissue or tumours in humans or animals. A material identified as an animal carcinogen does not necessarily cause cancer in humans. Examples of human carcinogens include coal tar.