Environmental hazards. Urban solid-waste management.
D000397:Air Pollution; D004782:Environmental Health; D005308:Fertilizers; D007220:Industrial Waste; D012037:Refuse Disposal; D012498:Sanitary Engineering; D014481:United States; D014492:United States Public Health Service; D014876:Water Pollution
D005308:Fertilizers; D007220:Industrial Waste