This Standard describes procedures for determining the occupational noise exposure level of workers
(Lex,T) using sampling techniques. Lex,T represents the long-term noise exposure of workers and is
calculated from measurements of Leq,t in the workplace
CSA Z107.56-06-2006 history
2006CSA Z107.56-06-2006 Methode De Mesure De L'Exposition Au Bruit En Milieu De Travail Troisieme Edition