Table 1.
Water storage, clarification, and treatment procedures completed for each of six water sources, Tanzania
| Treatment* | Container size (liters) | Water clarification procedure | Disinfection procedure |
|---|---|---|---|
| 1 | 20 | None | Sodium hypochlorite |
| 2 | 20 | None | Sodium dichloroisocyanurate |
| 3 | 20 | None | Sodium dichloroisocyanurate |
| 4 | 1.5 | Aluminum sulfate/sodium dichloroisocyanurate tablet | |
| 5 | 20 | Filtered through simple sand filter | Sodium dichloroisocyanurate |
| 6 | 20 | Filtered through ceramic filter | Sodium dichloroisocyanurate |
| 7 | 20 | Filtered through locally-available cloth | Sodium dichloroisocyanurate |
| 8 | 20 | Settled for 12 hours and decanted | Sodium dichloroisocyanurate |
*
1 = addition of WaterGuard brand sodium hypochlorite; 2 = addition of Aquatabs brand NaDCC; 3 = addition of an experimental flavored Aquatabs sodium dichloroisocyanurate (NaDCC); 4 = addition of trial flocculant/disinfectant Aquatabs aluminum sulfate and NaDCC tablet in 1.5-liter polyethylene terephthalate bottles; 5 = filtration through a simple sand filter before NaDCC addition; 6 = filtration through a ceramic filter before NaDCC addition; 7 = filtration through a cloth filter before NaDCC addition; 8 = settling for 24 hours and decanting supernatant water before NaDCC addition.