نتایج جستجو برای: water chemical contamination

تعداد نتایج: 928472  

2013
Bixiong Ye Linsheng Yang Yonghua Li Wuyi Wang Hairong Li

Bacterial contamination of drinking water is a major public health problem in rural China. To explore bacterial contamination in rural areas of Beijing and identify possible causes of bacteria in drinking water samples, water samples were collected from wells in ten rural districts of Beijing, China. Total bacterial count, total coliforms and Escherichia coli in drinking water were then determi...

2012
Yucheng Feng C. Wesley Wood

Many of Alabama's rivers and streams do not meet the Clean Water Act's "swimmable" goal due to fecal contamination. Catoma Creek in Montgomery County has been included on Alabama's Section 303(d) List due to elevated numbers of fecal coliform bacteria and organic enrichment. Both urban and agricultural land uses exist in the watershed. The objectives of this research were to construct a library...

Journal: :Public health 2006
Maged Mohammed Yassin Salem S Abu Amr Husam M Al-Najar

OBJECTIVE To assess the contamination level of total and faecal coliforms in water wells and distribution networks, and their association with human health in Gaza Governorate, Gaza Strip. METHODS Data were obtained from the Palestinian Ministry of Health on contamination of total and faecal coliforms in water wells and distribution networks, and on the incidence of water-related diseases in ...

2011
Milkiyas Tabor Mulugeta Kibret Bayeh Abera

BACKGROUND Lack of safe drinking water, basic sanitation, and hygienic practices are associated with high morbidity and mortality from excreta related diseases. The aims of this study were to determine the bacteriological and physico-chemical quality of drinking water and investigate the hygiene and sanitation practices of the consumers in Bahir Dar City, Ethiopia. METHODS A cross sectional p...

Journal: :international journal of advanced biological and biomedical research 2014
mitra mohammadi seyedeh zahra qari fatemeh sadat najafi moghaddam mojtaba azarli saida sirat nik

pollution as well as a major threat to the health of the citizens due to the advancement at human civilization, technology development, pesticides and chemical fertilizers application, the increasing exploitation of natural resources by the agricultural sector and the increasing usage of fossil energy. therefore, the aim of this study is evaluation of citizens’ attitude towards water and soil p...

2016
Hitendra J. Jani

As a developing country the protection of groundwater resources is extremely important in India. Landfills are a major source of water pollution. The filling for the disposal site in Ahmedabad, occurs at a distance of about 50 meters from Ahmedabad plant water intake. In addition, there are several holes are near the tip, which is used for drinking and domestic use. A survey of the composition ...

Journal: :Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes 2005
H M Shivaramaiah F Sanchez-Bayo J Al-Rifai I R Kennedy

Although the use of endosulfan to control cotton pests has declined, this insecticide still has widespread application in agriculture and can contaminate riverine systems as runoff from soil or by aerial deposition. The degradation of endosulfan in pure water at different pH values of 5, 7 and 9 and in river water from the Namoi and the Hawkesbury rivers of New South Wales (NSW), Australia, was...

Journal: :Bulletin of environmental contamination and toxicology 1990
J T Borlakoglu R Kickuth

Phenolic compounds are an important group of contaminants in tap water (Kraybi l l 1978). To prevent water-transmittable epidemic diseases, drinking water is often chemically chlorinated, which may cause chemical chlor inat ion of these contaminants and the formation of stable and unstable chloro-derivat ives. Although industr ia l and agr icu l tura l practice appear to be major contributors o...

pollution as well as a major threat to the health of the citizens due to the advancement at human civilization, technology development, pesticides and chemical fertilizers application, the increasing exploitation of natural resources by the agricultural sector and the increasing usage of fossil energy. Therefore, the aim of this study is evaluation of citizens’ attitude towards water and soil p...

2016
Ali SHAHRYARI Mahnaz NIKAEEN Maryam HATAMZADEH Marzieh VAHID DASTJERDI Akbar HASSANZADEH

BACKGROUND Chemical and microbial quality of water used in hemodialysis play key roles in a number of dialysis-related complications. In order to avoid the complications and to guarantee safety and health of patients therefore, vigorous control of water quality is essential. The objective of present study was to investigate the chemical and bacteriological characteristics of water used in dialy...

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