نتایج جستجو برای: drinking water standards

تعداد نتایج: 675339  

Journal: :journal of research in health sciences 0
mt samadi ar rahmani m sedehi n sonboli

background: the purpose of study was to evaluate and compare chemical quality of iranian bottled drinking water reported on manufacturer's labeling and standards. methods: this study was a cross-sectional descriptive study and done during july to december 2008. the bottled mineral water collected from shops randomly were analyzed for all parameters address on manufacturer's labeling and the res...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

2011
Yasumoto Magara

Contents 1. Introduction 2. Drinking water quality standards and their development 2.1. WHO drinking water quality guidelines 2.2. Health related chemicals 2.3. Microbiological aspects 2.4. Acceptability aspects 2.5. Development of national drinking water quality standard 3. Wastewater quality standard 4. Water quality consideration in various water uses 4.1. Agricultural water use and preventi...

Journal: :اکو هیدرولوژی 0
ناصر عبادتی استادیار گروه زمین شناسی دانشگاه آزاد اسلامی واحد اسلامشهر، ایران محمد هوشمندزاده مدرس گروه مهندسی عمران دانشگاه آزاد اسلامی واحد شوشتر، ایران

the purpose of this study was to compare the dez river water quality in the dezful hydrometric station for human drinking water, industry and agriculture. this study by cross-sectional method used data from the period of 39 years. sampling was carried out on the basis of physical and chemical parameters were determined. the results with world health organization standards, charts schuler and ag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1389

چکیده ندارد.

Journal: :Journal of environmental management 2007
Jie-Chung Lou Wei-Li Lee Jia-Yun Han

Two surveys of consumer satisfaction with drinking water conducted by Taiwan Water Supply Corp. are presented in this study. The study results show that although a lot of money was invested to modify traditional treatment processes, over 60% of local residents still avoided drinking tap water. Over half of the respondents felt that sample TT (from the traditional treatment process) was not a go...

Journal: :EDIS 2022

Drinking water comes from a variety of sources, including public systems, private wells, or bottled water. While systems are monitored under the federal Safe Water Act, wells not regulated. Private well users responsible for management and protection their quality. This publication Department Soil, Water, Ecosystem Sciences is Florida homeowners who interested in learning more about drinking st...

Journal: :AMA journal of ethics 2017
Richard Weinmeyer Annalise Norling Margaret Kawarski Estelle Higgins

In 1974, President Gerald Ford signed into law the Safe Drinking Water Act, the first piece of legislation of its kind to provide a comprehensive regulatory framework for overseeing the nation's drinking water supply. The law has proven instrumental in setting standards for ensuring that the US population can access drinking water that is safe. However, the law delegates much of its monitoring ...

Water is one of the most crucial substances for life. In order to maintain their public health, each and every country has defined standards of drinking water quality, beyond which the water is considered harmful for human health. The current study compares physical, chemical, and biological standards of drinking water quality for the USA, EU, Japan, India, and Bangladesh, considering 4 physica...

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