Modifications to the membrane filter method with phase-contrast microscopy (PCM) for fibre-counting to support a new occupational exposure limit value
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The occupational exposure limit value (OELV) currently in force for the concentration of asbestos fibres in air in most of the world is 0.1 f cm-3. This value has been considered in some methods as the limit of detection (LOD) for the membrane filter method wi... ...
