M00016664
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ISO FDIS 8672 2014 Edition, January 22, 2014 AIR QUALITY - DETERMINATION OF THE NUMBER CONCENTRATION OF AIRBORNE INORGANIC FIBRES BY PHASE CONTRAST OPTICAL MICROSCOPY - MEMBRANE FILTER METHOD
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Availability date: 07/14/2021
Description / Abstract: This International Standard specifies the determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy using the membrane filter method in workplace atmospheres, as defined by the counting criteria given in 6.5.4.