BEARING
That portion of a beam, truss, or other structural member which rests on the supports.
That portion of a beam, truss, or other structural member which rests on the supports.
A wall that supports a vertical load.
Airborne particles that are living or originate from living organisms; i.e., culturable, non-culturable and dead
Any substance that is toxic or lethal to living organisms, such as a pesticide, herbicide, or fungicide.
Capable of being broken down into innocuous (harmless) products (water, carbon dioxide) by the action of enzymes
The deterioration of valuable materials due to biological activity. The agents of deterioration (vectors) may be insects, rodents or higher animals and plants.
A matrix of micro organisms, organic and inorganic materials that combine to create a layer or ?film? on a substrate.
A biological material that causes harm to living organisms.
Tiny droplets containing biological contaminants (spores, bacteria or their by-products) that become airborne through human (coughing, sneezing, talking) or mechanical (HVAC) means.
Unwanted agents (disease or allergy causing) that are derived from or are living organisms (including viruses, bacteria, fungi, and protozoa, arthropods and mammal and bird antigens), that can be inhaled and can cause many types of bodily reactions