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At the beginning of waste management, wastes should be categorized and segregated according to their category. This is because the method of disposal would be different for different wastes.
For example, hospital wastes can be categorized and segregated on the basis of their weight, density and constituents. These are:
- Infectious: Materials containing pathogens in dangerous concentrations or qualities that, if exposed, can cause diseases. This includes waste from surgery and autopsies on patients with infectious diseases.
Sharp disposable needles, syringes, saws, blades, broken glasses, nails or any other item that could cause a cut.
- Pathological: Tissues, organs, body parts, human flesh, fetuses, blood and body fluid.
- Pharmaceuticals: Drugs and chemicals that are returned from wards, spilled, outdated, contaminated, or are no longer required.
- Radioactive: Solids, liquids and gaseous waste contaminated with radioactive substances used in diagnosis and treatment of diseases.
- Others: Waste from the offices, kitchens, rooms, including bed linen, utensils, paper, etc.
These wastes can be further disposed differently, according to their category.
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