The phrase "toxic waste dump" refers to a site where hazardous waste materials such as chemicals, radioactive substances, and industrial waste are discarded. Synonyms for this phrase include "contaminated landfill," "poisonous waste site," and "toxic dumpsite." Other possible synonyms are "hazardous waste disposal facility," "chemical waste facility," and "industrial waste disposal site." Negative environmental impacts can result from mismanagement of these sites, including soil, water, and air pollution. It is important to properly dispose of hazardous waste in order to protect human health and the environment.