Important Warning Only certain people are qualified to handle haz ardous waste. Hazardous waste is defined as any waste designated by the U.S. Environmental Pro tection Agency as hazardous. If you are unclear whether a particular item is hazardous, you should not handle the item but should instead notify a supervisor of the Sanitation Department. Hazardous waste is defined as a. anything too dangerous to handle. b. waste picked up by special sanitation trucks. c. anything so designated by the U.S. Environmental Protection Agency. d. waste not allowed to be placed alongside regular residential garbage.