The rapid evaluation method (REM) was developed by WHO in order to assess the performance and quality of health care services, identify operational... Read more...
Between 1 January and 31 July 1992 a cholera epidemic caused 548 reported cases in Riohacha (population 68,000), Colombia. Read more...
Manganese ore (pyrolusite) and iron ore (haematite), both raw and chemically treated with ferric hydroxide, alum, lime, or manganese dioxide, were... Read more...
Organic group parameters, adsorbable (AOX) and purgeable (POX) organic halogen, total (TOC) and non purgeable (NPOC) organic carbon were studied in... Read more...
Development practitioners often have relied solely on technology and education imposed from the outside, rather than (a) assessing existing cultural... Read more...
Filtration through roughing gravity filters at low filtration rates between 0.5 and 2 m/h is able to produce water with low particulate... Read more...
This paper reviews the available information about the efficiency and application of the traditional domestic water purification method employing... Read more...
Costs associated with community management of water supply and sanitation systems need to be defined at an early stage. Read more...