| centralised sewage treatment | <ecology> The collection and treatment of sewage from many sources to remove pollutants and pathogens. (05 Dec 1998) |
|---|---|
| sewage | The waste water from domestic, commercial and industrial sources carried by sewers. (05 Dec 1998) |
| refuse disposal | The discarding or destroying of garbage, sewage, or other waste matter or its transformation into something useful or innocuous. (12 Dec 1998) |
| medical waste disposal | Management, removal, and elimination of biologic, infectious, pathologic, and dental waste. The concept includes blood, mucus, tissue removed at surgery or autopsy, soiled surgical dressings, and other materials requiring special control and handling. Disposal may take place where the waste is generated or elsewhere. (12 Dec 1998) |
| waste disposal, fluid | The discarding or destroying of liquid waste products or their transformation into something useful or innocuous. (12 Dec 1998) |