7. Glossary

Aerobic

Refers to a medium containing dioxygen (O ₂ ).

Anaerobic

An anaerobic environment is one in which dioxygen (O ₂ ) is absent.

Anoxia

In soil science, anoxia describes the lack of oxygen in a soil.

Non-collective sanitation

Refers to any facility that collects, transports, treats and disposes of domestic wastewater from dwellings not connected to a public wastewater collection and treatment system.

Grease trap

Device for separating grease by flotation.

Sludge

Settled solids that settle to the bottom of the septic tank....