Collection of fact sheets prepared by WEDC and WHO to assist those working immediately or shortly after and emergency to plan appropriate responses to the urgent water, sanitation and hygiene needs of the affected communities. 2nd edition updated to incorporate the results of recent research and reflect current best practice. The fact sheets are: 1 Cleaning hand dug wells
2 Cleaning and rehabilitating boreholes
3 Cleaning and disinfecting water storage tanks and tankers
4 Rehabilitating small-scale piped water distribution systems
5 Emergency treatment of drinking-water at the point of use
6 Rehabilitating water treatment works after an emergency
7 Solid waste management in emergencies
8 Disposal of dead bodies in emergency conditions
9 How much water is needed in emergencies
10 Hygiene promotion in emergencies
11 Measuring chlorine levels in water supplies
12 Delivering safe water by tanker
13 Planning for excreta disposal in emergencies
14 Technical options for excreta disposal in emergencies
15 Cleaning wells after seawater floodin