BMW-types of medical waste-1Waste generation and composition from health care units depends upon a number of factors such as waste management methods, type of health care units, occupancy of healthcare unit, specialization of the healthcare unit, ratio of reusable items in use, availability of infrastructure and resources etc. According to a WHO report, around 85% of the hospital wastes are actually non-hazardous, 10% are infectious and 5% are non-infectious but hazardous. A study conducted by Vatavaran, a NGO, in Delhi shows an average waste generation of 1.5 kgs./bed/day and around 45.5% of the total wastes is infectious in nature. Whereas, a rapid survey covering 10 hospitals in Mumbai carried out by Hospital Inspection Society of India shows that waste generation vary between 0.6 to 2.1 kgs./bed/day. A study conducted by the All India Institute of Hygiene and Public Health, Kolkata concluded that ? General waste containing food wastes, paper, plastics, floor sweeping, discarded glassware, earth pot etc. constitute bulk (56-78% by weight) of the hospital waste. ? Waste generated in large government hospitals in Kolkata, private hospitals and nursing homes ranges between 1044 gms/bed/day and 1368 gms/bed/day whereas waste generated in large government hospitals in districts are comparatively low 397 gms/bed/day. Incinerable waste constitutes 19-30% (by weight) of the total waste generated.