The performance of the UNICEF sand-charcoal-sand upward flow filter was evaluated using a laboratory test filter of similar specifications. The... Read more...
The efficacy of Chlor-floc tablets was evaluated for the removal of seeded pathogenic bacteria (Escherichia coli), coliphages and viruses (poliovirus... Read more...
This study was undertaken to ascertain the levels of aluminium in surface and ground waters used for water supply in Madras city and also to assess... Read more...
The emergence of environmental consciousness in South Africa can be seen as a relatively recent phenomenon that has, in part, been facilitated by an... Read more...
Between January 1987 and February 1988, 4590 homes of children under five years of age were visited in three areas of Kurunegala district, Sri Lanka... Read more...
The study looked into the prevalence of cholera at three refugee camps in Bangladesh. Read more...
This booklet aims to create more widespread understanding of the planet's catchments: how they work, what harms them and how to protect them. Read more...
In February 1992, an epidemic of cholera began in Argentina. The first known cases appeared in a quasi-nomadic aborigine population living by the... Read more...