90.93 Standard confirmed Mar 22, 2022
ISO
ISO/TC 146/SC 2 Workplace atmospheres
International Standard
13.040.30 Workplace atmospheres
ISO 8672:2014 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 this document.
WITHDRAWN
ISO 8672:1993
PUBLISHED
ISO 8672:2014
90.93
Standard confirmed
Mar 22, 2022
ABANDON
ISO/WD 8672