NF EN 17199-3

Workplace exposure - Measurement of dustiness of bulk materials that contain or release respirable NOAA or other respirable particles - Part 3 : continuous drop method

Le présent document décrit la méthodologie permettant de mesurer le pouvoir de resuspension de matériaux en vrac contenant ou émettant des NOAA ou autres particules en fraction alvéolaire dans des conditions normalisées et reproductibles et spécifie, à cette fin, le but de la méthode de la chute continue. Le présent document spécifie le choix des instruments et dispositifs ainsi que les procédures de calcul et d'expression des résultats. Il fournit également des lignes directrices concernant l'évaluation et la consignation des données. Le présent document est applicable aux essais relatifs à une gamme étendue de matériaux en vrac, y compris des matériaux granulaires, en poudre ou sous forme de pastilles contenant ou émettant des NOAA ou autres particules en fraction alvéolaire sous formes revêtues, non revêtues, liées et non liées.

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