The size of Respirable dust is -
- dust paicles smaller than 5 microns are directly inhaled into the lungs and are retained there. This fraction of dust is called respirable dust. - it is mainly responsible for pneumoconiosis. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:805 <\p>
1-5 microns
5-10 microns
15 microns
20 microns
Hospital waste and disaster management, Occupational health