For the disposal of hospital refuse, the bag made with cadmium is not used because incineration of the bag causes poisonous toxic fumes evolution. The colour of the bag is -
Black
Red
Blue
Yellow
Waste collection bags for waste type needing incineration shall not be made of chlorinated plastics. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 21ST EDITION. PAGE NO - 735
Hospital waste and disaster management, Occupational health