Sharp instruments like needles, syringes, scalpels hospital waste products are thrown in -
- wastes sharps including needles, syringes ,blades and glasss comes under category no.4. - category no 4 wastes are discarded in blue colour plastic bag or puncture proof container. Reference: Park's textbook of preventive and social medicine, 23rd edition, pg no: 793,794 <\p>
Yellow bag
Red bag
Blue bag
Black bag
Hospital waste and disaster management, Occupational health