1. Solid waste may be defined as the organic and inorganic waste produced by various activities of the society which have lost their value to the first user.
2. Solid waste, on the basis of its sources of origin can be classified as
a) Municipal solid waste :
It consists of household waste, construction and demolition debris, sanitation residue.
b) Hazardous solid waste :
Industrial and” hospital waste is considered to be hazardous waste as they contain toxic substances.
c) Infectious solid waste:
Biomedical or hospital waste generated during diagnosis, treatment etc., which include sharp chemical wastes, discarded medicines and human excreta.
