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TWA [4 records]

Record 1 2014-02-07

English

Subject field(s)
  • Psycho-, Socio- and Ethnolinguistics
OBS

A dialect of Rwanda.

French

Domaine(s)
  • Psycho-, socio- et ethnolinguistique
OBS

Dialecte du Rwanda.

Spanish

Save record 1

Record 2 1999-05-04

English

Subject field(s)
  • Environmental Law
  • Air Pollution
  • Occupational Health and Safety
CONT

For a seven- or eight-hour workday, the time-weighted average concentration of asbestos to which workers are exposed should not exceed two fibres per millimeter of air.

CONT

Acceptable occupational exposure levels in the form of time-weighted average exposure values and short-term exposure limits designated by governments and other agencies have been listed in Section 7.1 [of the Envirotips Manuals] under the title Recommended Exposure Limits.

OBS

Compare "TLV-TWA". See also "exposure limit" and "threshold limit value".

French

Domaine(s)
  • Droit environnemental
  • Pollution de l'air
  • Santé et sécurité au travail
DEF

Évaluation du degré d'exposition admissible pour les travailleurs qui tient compte du facteur temps.

CONT

Le NIOSH [National Institute for Occupational Safety and Health, des É.-U.] a recommandé une TWA de 2,5 mg sous forme d'ion fluorure.

Spanish

Campo(s) temático(s)
  • Derecho ambiental
  • Contaminación del aire
  • Salud y seguridad en el trabajo
OBS

Se aplica a la expresión de niveles permisibles para la exposición ocupacional a un agente potencialmente tóxico; este valor permite la exposición por encima del nivel permisible, siempre y cuando esté compensada con periodos equivalentes bajo dicho nivel durante la jornada o turno de trabajo. En algunas legislaciones nacionales se especifican estos promedios por encima de los periodos permisibles de magnitud, duración y frecuencia.

Save record 2

Record 3 1985-04-29

English

Subject field(s)
  • Internet and Telematics
CONT

two-way alternate operation: a half-duplex mode of operation for a data link.

French

Domaine(s)
  • Internet et télématique
DEF

Qui transmet l'information tantôt dans un sens, tantôt dans l'autre.

Spanish

Save record 3

Record 4 1981-03-11

English

Subject field(s)
  • Informatics

French

Domaine(s)
  • Informatique
OBS

zone TWA.

Spanish

Save record 4

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