95.99 Withdrawal of Standard Oct 11, 2019
ISO
ISO/TC 146/SC 3 Ambient atmospheres
International Standard
13.040.20 Ambient atmospheres
Specifies a reference method using transmission electron microscopy for the determination of the concentration of asbestos structures in ambient atmospheres and includes measurement of the lengths, widths and aspect ratios of the asbestos structures. The method allows determination of the types of asbestos fibres present. The method cannot discriminate between individual fibres of the asbestos and non-asbestos analogues of the same amphibole mineral.
WITHDRAWN
ISO 10312:1995
95.99
Withdrawal of Standard
Oct 11, 2019
PUBLISHED
ISO 10312:2019