BIOPOLLUTANTS
Organisms, or derivatives thereof, which are living or have lived, and which are unwanted in the earth_s air,
Organisms, or derivatives thereof, which are living or have lived, and which are unwanted in the earth_s air,
see _biological aerosol_
A substance, usually chemical, that prevents the growth of living, usually micro organisms but does not necessarily kill them or their spores.
Bleach products for home use are normally 5.25 – 6% solutions of sodium hypochlorite (NaClO); Chlorine bleach also may be found in bathroom cleansers, dish washing compounds, and powdered laundry detergents
The penetration of a pigment or residue from a substrate through a top layer of paint. The diffusion of colours or dyes within a material, often caused by wetting.
1. A plant disease characterized by general and rapid browning of leaves, flowers, and stems, resulting in their death. 2. The bacterium, fungus, or virus that causes such disease.
Small bubbles or bulges in a finish coat of plaster or paint, caused by entrapped moisture, heat, or applying a coating over an improperly prepared surface.
Harmful micro organisms present in blood or other potentially infectious materials, which could cause disease or death in humans. Included among these micro organisms are hepatitis B virus (HBV) and human immunodeficiency virus (HIV).
1. A positive displacement vacuum pump. 2. A high-speed drying unit. see _air mover_
A type of acoustic plaster applied by a spray process.