Threshold Limit Value

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• Threshold limit value — The threshold limit value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Strictly speaking, TLV is a reserved term of the American… …   Wikipedia

• Threshold Limit Value — The Threshold Limit Value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Strictly speaking, TLV is a reserved term of the American… …   Wikipedia

• Threshold Limit Value - Time Weighted Average — Saltar a navegación, búsqueda Threshold Limit Value Time Weighted Average (TLV TWA, Valor Límite Umbral Media Ponderada en el Tiempo). Valor límite ambiental publicado por la A.C.G.I.H. (American Conference of Governmental Industrial Hygienists); …   Wikipedia Español

• threshold limit value — (TLV) a value assigned to an industrial chemical by the American Conference of Governmental Hygienists, representing the maximum concentration to which most workers can be repeatedly exposed without adverse health effects …   Medical dictionary

• value — A particular quantitative determination. For values not given below, see the specific name. SEE ALSO: index, number. [M.E., fr. O.Fr., fr. L. valeo, to be of v.] acetyl v. the milligrams of KOH required to neutralize the acetic acid produced by… …   Medical dictionary

• Occupational exposure limit — An occupational exposure limit is an upper limit on the acceptable concentration of a hazardous substance in workplace air for a particular material or class of materials. It is typically set by competent national authorities and enforced by… …   Wikipedia

• Threshold braking — or limit braking is a driving technique most commonly used in motor racing, but also practised in road vehicles to slow a vehicle at the optimum rate using the brakes. This is mostly used in vehicles without an anti lock braking system fitted,… …   Wikipedia

• Value Added Tax-free Exports from the Channel Islands — are exports of goods from the Channel Islands on which value added tax (VAT) is not levied. In recent years, companies in the United Kingdom have expressed concern at the competition thereby offered to their goods on which VAT is… …   Wikipedia

• threshold — 1. The point at which a stimulus first produces a sensation. 2. The lower limit of perception of a stimulus. 3. The minimal stimulus that produces excitation of any structure; e.g., the minimal stimulus eliciting a moto …   Medical dictionary

• threshold — 1. A quantifiable limit beyond which the nature of an item changes. For example, a taxation threshold is a point at which a *tax rate changes. 2. A quantifiable limit used in the establishment of *internal controls over *authorization procedures …   Auditor's dictionary