“hazardous substance”

The Environment (Protection) Act, 1986 · s. 2

(e) "hazardous substance" means any substance or preparation which, by reason of its chemical or physico-chemical properties or handling, is liable to cause harm to human beings, other living creatures, plants, micro-organism, property or the environment;

The Public Liability Insurance Act, 1991 · s. 2

(d) "hazardous substance" means any substance or preparation which is defined as hazardous substance under the Environment (Protection) Act, 1986 (29 of 1986), and exceeding such quantity as may be specified, by notification, by the Central Government;