NEN-EN 15051-3:2013 en

Workplace exposure - Measurement of the dustiness of bulk materials - Part 3: Continuous drop method

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About norm

Status Current
Number of pages 12
Committee Werkplek- en buitenluchtmetingen
Published on 01-12-2013
Language English
This European Standard specifies the continuous drop test apparatus and associated test method for the reproducible production of dust from a bulk material under standard conditions, and the measurement of the inhalable and respirable fractions of this dust, with reference to existing European Standards, where relevant. The continuous drop method intends to simulate dust generation processes where there are continuous falling operations (conveying, discharging, filling, refilling, weighing, sacking, metering, loading, unloading etc.) and where dust is liberated by winnowing during falling. It can be modified to measure the thoracic fraction as well, but this modification is not described in this European Standard. It differs from the rotating drum method presented in EN 15051-2 in that in this European Standard, the bulk material is dropped only once, but continuously, while in EN 15051-2, the same bulk material is repeatedly dropped. Furthermore, this European Standard specifies the environmental conditions, the sample handling and analytical procedures and the method of calculating and presenting the results. A classification scheme for dustiness is specified, to provide a standardised way to express and communicate the results to users of the bulk materials. This European Standard is applicable to powdered, granular or pelletised bulk materials. This European Standard is not applicable to test the dust released when solid bulk materials are mechanically treated (e.g. cut, crushed) or to evaluate handling procedures for the bulk materials.


ICS-code 13.040.30
Dutch title Blootstelling op de werkplek - Meting van stoffigheid van bulkmaterialen - Deel 3: Continu valmethode
English title Workplace exposure - Measurement of the dustiness of bulk materials - Part 3: Continuous drop method

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