ISO 8672 2nd Edition, May 1, 2014
Air quality - Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy - Membrane filter method
Additional Comments: ENGLISH
Published By:International Organization for Standardization (ISO)
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.