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ISO 10312:2019

Ambient air -- Determination of asbestos fibres -- Direct transfer transmission electron microscopy method

General information
Valid from 11.10.2019
Directives or regulations
None
Standard history
Status
Date
Type
Name
11.10.2019
Main
27.04.1995
Main
This document specifies a reference method using transmission electron microscopy for the determination of airborne asbestos fibres and structures in in a wide range of ambient air situations, including the interior atmospheres of buildings, and for a detailed evaluation for asbestos structures in any atmosphere. The method allows determination of the type(s) of asbestos fibres present and also includes measurement of the lengths, widths and aspect ratios of the asbestos structures. The method cannot discriminate between individual fibres of asbestos and elongate fragments (cleavage fragments and acicular particles) from non-asbestos analogues of the same amphibole mineral[13].
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