منابع مشابه
Chemical contamination of water supplies.
Man-made organic chemicals have been found in drinking water for many years. Their numbers and varieties increase as our analytical capabilities improve. The identified chemicals comprise 10 to 20% of the total organic matter present. These are volatile or low molecular weight compounds which are easily identified. Many of them are carcinogenic or mutagenic. Chlorinated compounds have been foun...
متن کاملIllness associated with contamination of drinking water supplies with phenol.
In January 1984 the River Dee in north Wales was contaminated with phenol, with subsequent contamination of the tap water received by about two million consumers. A retrospective postal survey of 594 households was undertaken to determine whether consumption of this contaminated water was associated with illness. Subjects in areas that received contaminated water reported significantly more gas...
متن کاملReports of Pharmaceutical Contamination in Public Water Supplies
Introduction. Public Employees for Environmental Responsibility (PEER) is a Washington D.C.-based non-profit, non-partisan public interest organization concerned with honest and open government. Specifically, PEER serves and protects public employees working on environmental issues. PEER represents thousands of local, state and federal government employees nationwide; our New England chapter is...
متن کاملcontamination of drinking water supplies in mazandaran - iran
introduction : direct relationship has been reported between the prevalence of some parasitic diseases and the presence of microorganisms in water. there are possible contamination of water resources, due to the climate changes and increasing the groundwater level. the purpose of this research was to determine the contamination rate of drinking water supplies to parasites in mazandaran province...
متن کاملHands, water, and health: fecal contamination in Tanzanian communities with improved, non-networked water supplies.
Almost half of the world's population relies on non-networked water supply services, which necessitates in-home water storage. It has been suggested that dirty hands play a role in microbial contamination of drinking water during collection, transport, and storage. However, little work has been done to evaluate quantitatively the association between hand contamination and stored water quality w...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1985
ISSN: 0091-6765
DOI: 10.2307/3430144