Definition
Toxic and hazardous materials (B3) are chemicals that have flammability, that can cause loss due to oxidation (corrotion), can explode and are toxic in nature. As it is harmful to humans and the environment, how to dispose them should not be the same as the other domestic waste. B3 can be solid, liquid or gas. Floor stain or bathroom cleaners containing corrosive chemicals, i.e. natrium
hydroxide (NaOH) or hydrogen peroxide (H 2 O 2 ).