1. 2.5.4 Airborne Respirable Dust Levels

2. 5 This innovational device could be used to block up the respirable dust produced in the process of coal mining to diffuse to the operators? working area.

3. When included, the concentration of a specific contaminant in the respirable airborne dust should be assumed to be equal to the concentration in surface soil (maximum or average, as appropriate).

4. Breathable [ˈbriːðəbl] ADJ [ air] → respirable, que se puede respirar; [ fabric, garment] → transpirable, que deja pasar el aire Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co

5. Concentrations of airborne fibres determined by T.E.M. in the living areas of homes in the Netherlands during insulation with blown glass or rock wool were 50 × 10-3 to 400 × 10-3 fibres/cm3; levels of respirable fibres determined by phase contrast optical microscopy were 5 × 10-3 to 25 × 10-3 fibres/cm3, with peaks up to 65 × 10-3 fibres/cm3 (van der Wal et al., 1987).