Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
impurities  | |
|---|---|
| RT | pollution |
| ground water | |
| water | |
| purification | |
| decontamination | |
| polluted water | |
| water treatment | |
| drinking water | |
| potability | |
| water quality | |
| SN | A general term used mostly in reference to water. |