That which conforms to accepted principles, tests or standards of nationally recognized technical or scientific authorities. Advertisements

1. The decomposition of organic matter by the agency of bacterial and fungi with the formation of foul smelling incompletely oxidized products. 2. Decay.

The vertical distance that water in a stack travels to reach the terminal velocity (about fifteen feet of vertical distance).

1. Any of a number of types of devices designed to deliver a mixture of air and water. 2. Any specialized apparatus for aerating a liquid, especially water. 3. A drain, waste and vent fitting designed to control the flow of waste within the stack or stacks.

Mixture of hot and cold water to produce warm water suitable for use.

Ascertaining the amount of variation from absolute accuracy in a scientific instrument.

1. Obnoxious, inconvenient, or insanitary. 2. Public nuisance known as common law or in equity jurisprudence. 3.Dangerous to human life or detrimental to health 4. A building, structure, or premise not sufficiently ventilated, sewered, drained, cleaned, or lighted, in reverence to its intended or actual use; and whatever renders the air or human food or […]