Drinking Water Analysis Articles on Environmental XPRT

Drinking Water Analysis Guide

Public Water Systems (PWS), regulated by the United States Environmental Protection Agency (USEPA), provide drinking water to 90% of Americans. Water systems and laboratories testing drinking water for Safe Drinking Water Act (SDWA) compliance must be certified and must use USEPA approved methods, which are developed by the USEPA, other government agencies, universities, consensus method ...

Aug. 3, 2015

By Shimadzu Scientific Instruments Inc

Using FTIR spectroscopy to measure hydrocarbon pollution in water

According to the World Health Organization (WHO) and UNICEF’s 2015 Progress on Sanitation and Drinking Water report almost 700 million people around the world don’t have access to clean drinking water [1]. Poor water quality is beginning to return to the developed world too. The strain of population growth, intensified agricultural practices and continued industrial expansion have are ...

Jun. 5, 2017

By Specac Limited

Spatial analysis of rural drinking water supply in China

A spatial autocorrelation analysis method was employed to process the spatial change of rural water supply over the past 19 years in the People's Republic of China. Statistical analyses indicate great achievements in rural water supply construction. Two main indices describing rural drinking water supply status, the Rural Popularization Rate of Tap Water and the Rural Popularization Rate ...

May 21, 2015

By IWA Publishing

Drinking water quality monitoring using trend analysis

One of the common quality parameters for drinking water is residual aluminium. High doses of residual aluminium in drinking water or water used in the food industry have been proved to be at least a minor health risk or even to increase the risk of more serious health effects, and cause economic losses to the water treatment plant. In this study, the trend index is developed from scaled ...

Jun. 18, 2014

By IWA Publishing

GC-MS/MS Analysis of Pesticides in Drinking Water

According to Japan’s list of drinking water quality control substances, pesticides are included as supplemental items subject to analysis. Designed to complement the standards, the Ministry of Health, Labour and Welfare encourages water utilities to monitor pesticide levels and achieve specified targets. Among the 102 listed pesticides, 84 are simultaneously analyzed using solid-phase ...

Oct. 2, 2014

By Shimadzu Scientific Instruments Inc

ICP Analysis of Multiple Elements in Drinking Water

The amount of water typically consumed by an adult is said to be about two liters per day, and nearly all of this is tap water or mineral water, generally referred to as "drinking water." Conducting safety inspections are the responsibility of each country according to their respective regulations. Typically, there are many target elements included in the test, such as sodium (Na), calcium ...

May 1, 2015

By Shimadzu Scientific Instruments Inc

Bromate analysis analysis of bromate in drinking water by hplc and post-column derivatization

Bromate is a disinfection by-product that is formed when Ozone reacts with naturally occurring Bromide in drinking water. Bromate is a known animal carcinogen and has also been listed as a group 2B toxin: probable human carcinogen. The U.S. EPA Method 300.1 employs conductivity as the means of detection which works well for most anions. However, the method is nonspecific and coeluting ...

Jun. 10, 2010

By Pickering Laboratories, Inc.

Biocorrosion in drinking water pipes

Copper is widely used in drinking water distribution systems due to its relatively low cost and favorable mechanical properties. However, copper corrosion may generate copper concentrations exceeding the thresholds prescribed by international drinking water standards. In-situ measurements performed in an actual system found that the copper mass released under flowing water conditions (pipe ...

Feb. 18, 2016

By IWA Publishing

UN-Water Global Analysis and Assessment of Sanitation and Drinking Water 2014

The UN-Water Global Analysis and Assessment of Sanitation and Drinking Water report is produced by the World Health Organization (WHO) on behalf of UN-Water. It provides a global update on the policy frameworks, institutional arrangements, human resource base, and international and national finance streams in support of sanitation and drinking water. It is a substantive input into the activities ...

Jan. 20, 2015

By IWA Publishing

Glyphosate and AMPA in drinking water

Carcinogenic or not? The broad-spectrum herbicide glyphosate is used all over the world in agriculture. Alongside farming, the chemical is also used for weed-killing in domestic gardens and in public and private spaces kept free from «vegetal invasion», such as railway tracks. Glyphosate has been used since the 1970s in pesticides and was hitherto thought to be harmless at ...

Sep. 28, 2016

By Metrohm AG

UN-Water Global Analysis and Assessment of Sanitation and Drinking Water 2012

The UN-Water Global Analysis and Assessment of Sanitation and Drinking Water report is produced every two years by the World Health Organization (WHO) on behalf of UN-Water. It provides a global update on the policy frameworks, institutional arrangements, human resource base, and international and national finance streams in support of sanitation and drinking water. It is a substantive input into ...

Jan. 20, 2015

By IWA Publishing

The predictive value of total coliforms in drinking water using life table analysis

Total coliform monitoring in distribution systems is no longer a required parameter in many countries but is still mandated in Canada and the USA. The value of reporting total coliform results in drinking water is a topic of debate. Total coliform and Escherichia coli results from small drinking water systems tested over a 3-year period in British Columbia were analyzed using life table ...

Apr. 4, 2013

By IWA Publishing

Analysis of physico-chemical and bacteriological quality of drinking water in Mafikeng, South Africa

Mafikeng, the capital of the North West Province, receives water from two sources, namely the Molopo eye and the Modimola dam. Once treated, the potable water is mixed and supplied to the city via distribution systems. This study was designed to assess the quality of drinking water in Mafikeng and also to determine whether the water from the two sources has an impact on the mixed water ...

Jun. 1, 2015

By IWA Publishing

Early warning of changing drinking water quality by trend analysis

Monitoring and control of water treatment plants play an essential role in ensuring high quality drinking water and avoiding health-related problems or economic losses. The most common quality variables, which can be used also for assessing the efficiency of the water treatment process, are turbidity and residual levels of coagulation and disinfection chemicals. In the present study, the trend ...

Feb. 10, 2016

By IWA Publishing

Life cycle assessment of drinking water installations: existing studies and analysis of discrepancies

This paper gives an overview of existing Life Cycle Assessment (LCA) studies of drinking water installations in Europe. The characteristics and results of the two most widely known and used studies, the VENOB study and the CREM study, are described in detail. Readers get a thorough understanding of the key issues and parameters of life cycle studies in this field. As the study results diverge ...

Oct. 18, 2006

By Inderscience Publishers

Chemical analysis of drinking water of villages of Sanganer Tehsil, Jaipur District

Abstract Due to pressure of human activity, urbanization and industrialization, the groundwater sources are degraded gradually; therefore pure, safe, healthy and odorless drinking water is a matter of deep concern. There are many pollutants in groundwater due to seepage viz. organic and inorganic pollutants, heavy metals, pesticides, fluorides etc. In Rajasthan state, all 32 districts are ...

Jan. 30, 2006

By Center for Environment and Energy Research & Studies (CEERS)

Quantitative analysis of microbial contamination in private drinking water supply systems

Over one million households rely on private water supplies (e.g. well, spring, cistern) in the Commonwealth of Virginia, USA. The present study tested 538 private wells and springs in 20 Virginia counties for total coliforms (TCs) and Escherichia coli along with a suite of chemical contaminants. A logistic regression analysis was used to investigate potential correlations between TC ...

May 24, 2013

By IWA Publishing

Fouling analysis of polysulfone ultrafiltration membranes used for drinking water treatment

Natural organic matter (NOM) plays a significant role in the fouling of ultrafiltration membranes in drinking water treatment processes. For a better understanding of the interaction between fractional components of NOM and polysulfone (PS) ultrafiltration membranes used for drinking water treatment, fouling and especially the physically irreversible fouling of natural organic matter were ...

Dec. 1, 2011

By IWA Publishing

Life cycle analysis of two Hungarian drinking water arsenic removal technologies

Determining a technology's merit as a solution to Hungarian drinking water arsenic contamination goes beyond technical concerns: environmental and economic aspects also play very important roles. In an effort to address the current arsenic drinking water requirements in Hungary, life cycle analysis (LCA) methodology was applied on two example arsenic removal technologies, ...

Feb. 18, 2014

By IWA Publishing

TOC Analysis: The Best Tool in a Drinking Water Facility`s Toolbox

Total organic carbon (TOC) has become an important water quality analysis tool for drinking water plants in recent years due to its link to disinfection byproducts (DBPs). TOC alone is not harmful, but upon its reaction with a disinfectant can produce harmful byproducts. However, TOC’s relevance in drinking water ...

Jul. 6, 2010

By GE Analytical Instruments

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