Correct option is A
Solid wastes can be categorized in the following
3 categories:
1. Municipal wastes: These include food wastes, rubbish, ashes and residues, demolition and
construction waste, treatment plant waste and some special wastes.
MSW includes both putrescible (biodegradable, such as food waste) and non-putrescible (non-
biodegradable, such as plastics and metals) solid wastes.
2. Industrial wastes: Wastes arising from industrial activities and it typically includes rubbish, ashes,
demolition and construction wastes. hazardous wastes and some special wastes.
3. Hazardous wastes: Wastes that pose a substantial danger immediately or over a period of time to
human, plant or animal life. They can be radioactive substance, chemicals, biological wastes,
flammable wastes and explosives.
