1. The illegal or irresponsible disposal of waste materials in unauthorized locations, violating environmental regulations and laws
The factory was fined for improper dumping of toxic chemicals into the river.
A fábrica foi multada por despejo irregular de produtos químicos tóxicos no rio.
2. The act of discarding waste without proper treatment, containment, or adherence to environmental standards
Improper dumping of construction debris damages the local ecosystem.
O despejo irregular de entulho de construção danifica o ecossistema local.