2 Books found
World Health Organization (WHO) Books
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Fluorides
This book evaluates the risk to human health and the environment posed by exposures to fluorides. It is widely known that fluoride has both positive and negative effects on human health, and there is a narrow range between intakes that are associated with these effects. Cases of skeletal fluorosis associated with the consumption of drinking water containing elevated levels of fluoride are reported. Fluoride is ubiquitous in the environment and ...
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Operation and Maintenance of Urban Water Supply and Sanitation Systems
Describes a systems approach to the operation and maintenance of drinking-water and sanitation services in urban areas of developing countries. Addressed to managers and other personnel with decision-making responsibilities, the book responds to ample evidence that poor management has had the greatest single negative impact on the quality of water supply and sanitation services. The guide, which is intended to serve as a reference source and ...