نتایج جستجو برای: water quality standards

تعداد نتایج: 1337944  

Journal: :journal of agricultural science and technology 2010
p. c. prabu l. wondimu m. tesso

the physico-chemical parameters, nutrient status and heavy metal ions of huluka and alaltu rivers of ambo, ethiopia were studied. temperature, ph, electrical conductivity, co2 content, total dissolved solids, hardness, dissolved oxygen, ca2+, mg2+, cl-, nitrate, phosphate and sulphate have been determined along with selected heavy metals to assess the various water quality profiles along the ri...

2001

Section 303(d) of the Clean Water Act requires all states to identify waters that do not meet, or are not expected to meet, applicable water quality standards. For each listed water body that does not meet a standard, states must develop a total maximum daily load (TMDL) for each pollutant that has been identified as contributing to the impairment of water quality in that water body. The Texas ...

2011
André Venturini Pontara Christianne Dezuani Dias de Oliveira Amir Horiquini Barbosa Rafael Aparecido dos Santos Regina Helena Pires Carlos Henrique Gomes Martins

The quality of mineral water commercialized in Brazil regarding the microbial content was analyzed and the results were compared with the standards established by the current legislation. Results demonstrated there was no bacterial contamination, but several types of fungi were found. Therefore, bottled mineral water could be considered a possible route for the transmission of filamentous fungi...

2012
Rakhi Gangil Ruchi Tripathi Anil Patyal Pankaj Dutta

Aim: The study was carried out to investigate the microbiological quality of packaged drinking water marketed in Jaipur city. Material and Methods: In the present study 'twenty' drinking water samples (15 water bottles and 5 sachets) of different brands purchased randomly, were evaluated to access the water quality on the basis of different bacteriological parameters. Result: Out of twenty, 50%...

Raafat Abdeldayem

Drinking water has received considerable attention recently. However, misuse and mismanagement have resulted in a rapid and widespread decline in source-water quality and supply. Water quality guidelines can be used to identify constituents of concern in water, to determine the levels to which the constituents of water must be treated for drinking purposes. Membrane technology for the water cyc...

ژورنال: Journal of Research and Health 2016

Abstract Background: corrosion and scaling are of the most important characteristics of drinking water, affecting public health and water industry economy. The aim of the present study was to evaluate the corrosion and scaling potential of potable water supplied by Saqqez Rural Water and Wastewater Company. Materials and Methods: this was a descriptive study conducted on 142 samples taken from ...

A.R Rahmani, I. Salehi, L. Rafati, M. Ghiasi, M. Kiamanesh, M. Nouri Sepehr,

Introduction: The increasing of population and limited drinking water resources has enhanced the necessity of using bottled water. Many people are now using bottled water because they believe it is a healthful alternative beverage to soft drinks or other bottled beverages. Therefore, the bottled water industry has grown immensely during the past decades. This descriptive cross-sectional study h...

2017
Tad Slawecki Dwane Young Britt Dean Brandon Bergenroth Kimberly Sparks

Background: The mission of the United States Environmental Protection Agency (EPA) is to protect human health and the environment, including air, water and land. Understanding the extent of pollution in waters and identifying waters for protection has been based in part on water quality monitoring data collected and shared by parties (federal, state, tribal, and local) throughout the U.S. To da...

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