Hazardous wastes--new developments.
D000397:Air Pollution; D006801:Humans; D007883:Legislation, Medical; D008506:Medical Waste; D009316:National Institutes of Health (U.S.); D012037:Refuse Disposal; D012722:Sewage; D014481:United States; D014484:United States Environmental Protection Agency; D014866:Waste Products
D008506:Medical Waste; D012722:Sewage; D014866:Waste Products