- Hazardous waste collection and disposal (6)
- Chemical detoxification (1)
- Radioactive waste materials, disposal (1)
- Refuse collection and disposal services (33)
- Garbage: collecting, destroying, and processing (8)
- Liquid waste, collection and disposal (1)
- Rubbish collection and disposal (5)
- Street refuse systems (2)
- Dumps, operation of (1)
- Sanitary landfill operation (1)
- Recycling, waste materials (66)
- Sewage treatment facility (1)
