XP X43-269

Air quality - Workplace atmospheres - Sampling on membrane filters for the determination of the fibre number concentration by microscopic techniques : phase contrast optical microscopy, scanning electron microscopy analysis and transmission electron microscopy analysis - Counting by phase contrast optical microscopy

Le présent document concerne la détermination de la concentration en nombre de fibres en suspension dans l'air des lieux de travail par les techniques de microscopie. La méthode décrite peut être utilisée pour la vérification du respect des valeurs limites d'exposition professionnelle (VLEP) définies par le Ministère du travail pour les substances concernées.

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