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Water Analysis

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Water Analysis Articles

Below is a list of articles that have been published on this topic.
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Emerging Industrial Contaminants

Perfluoroalkylated substances (PFAS) is a collective term for a group of fluorinated compounds, the group comprises several hundred compounds and can be divided into 23 categories; environmentally important subsets are the (per)fluorinated organic surfactants and the (per)fluorinated organic polymers – within these key determinands are perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).

Oil in Water Analysis

Oil is one of the most common types and highly visible forms of water pollution. As it can easily spread, even small quantities can potentially cause harm to the aquatic environment.

Leachability Testing

Few people ever pass a development site and think: ‘I wonder what type of leachability test was carried out here?’ But then, few people outside the construction and infrastructure industries have the slightest idea what leachability tests are.

Our Vital Resource

Our society relies heavily on water to support human life and the earth’s ecosystems and climate, but it is also a ubiquitous resource which is embedded in all economic activities – particularly in agriculture, energy production, and in manufacturing.

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Water Framework Directive

One of the biggest pieces of work for the water sector in the next few years is the review of the Water Framework Directive (WFD).

Environmental Quality Standards

It was in 2008 that the European Parliament and Council first published the Environmental Quality Standards Directive. This publication lays down environmental quality standards (EQS) for priority substances and certain other pollutants as provided for in Article 16 of the Water Framework Directive 2000/60/EC (WFD), with the aim of achieving good surface water chemical status and in accordance with the provisions and objectives of Article 4 of that Directive. As a Europe wide directive, each member state has a plan for both assessing their water bodies and achieving compliance with the annual average and maximum concentrations, as set out in the document.

Measuring Oil in Produced Water

Separation and produced water re-injection or discharge forms an integral part of subsea processing strategy. Its wider acceptance within the oil and gas industry, however, will depend on the availability of a reliable and continuous measurement of the quality of the water being injected or discharged.

The True Cost of Water

Without adequate water supplies and an understanding of the true value of water, many businesses would be incapable of operating. Defining the true value of water helps businesses make intelligent decisions regarding how they source, use, reuse and dispose of water in order to maintain profitable economics of operation.

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Treating Concrete Wash Water

This paper considers the practical aspects of treating wash water from concreting operations, both on site and at batching plants, to a standard suitable for disposal to either sewers or surface and groundwater.

Marine Sampling

Analysing the Danube

Water Quality Goes Down the Drains

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Fracking Factors

Bring Water to the Sea

Wastewater VOC Emissions

Life Support System

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Metals in the Environment

Metals in the Environment [Sep 2012]. Published in AWE International - Air, Water & Environmental monitoring, analysis and control of industrial process emissions in Europe and the Middle East. AWE International (Air, Water and Environment) is the only A4 glossy magazine that reports to Europe and the Middle East on matters relevant to the environmental analysis industry.

Water Monitoring The 2012 Olympic Park

Water Monitoring The 2012 Olympic Park [Sep 2012]. Published in AWE International - Air, Water & Environmental monitoring, analysis and control of industrial process emissions in Europe and the Middle East. AWE International (Air, Water and Environment) is the only A4 glossy magazine that reports to Europe and the Middle East on matters relevant to the environmental analysis industry.

Drying Out The Water Cycle

The global demand for goods is placing greater pressure on our available water reserves, with water scarcity an issue that an increasing number of regions already have to cope with. Coupled to this demand are projected climate changes to our rainfall, snowfall and temperature patterns.

Maintaining Integrity in Sample Preparation

Environmental samples comprise a wide range of matrices, each presenting the laboratory with analytical challenges. Analytical techniques and guidance documents exist to direct the laboratory to use the most appropriate sample preparation technique, but it is also crucial that the end user of the analytical data generated is aware of the preparation techniques which may be employed, and those that may be inappropriate for the sample matrix or test.

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Environmental Analysis Focusing on Metals [Mar 2012]

Testing for a suite of metals is one of the most common requests received by environmental laboratories, and is generally perceived as straightforward and simple to understand. This is actually a complex area, however, with some misconceptions relating to the analysis and how data should be interpreted.

Waste Water Treatment [Mar 2012]

To predict the efficiency of water treatment processes in the removal of protozoa cysts and oocysts, it is necessary to detect the parasites, measure their concentration in water and determine whether they have the capability of being infectious.

Environmental Laboratory Testing

The market for environmental testing laboratories has changed enormously over the last three years as a result of a seismic shift in the UK market and numerous changes in legislation. In order to survive, analytical companies have had to be adaptable, far-sighted and innovative in their provision of the comprehensive service that their clients require. The reduction in market size, particularly with respect to soil testing (as this is heavily dependent upon a thriving construction industry), has raised the level of competition in the market and laboratories need to focus on efficiency and excellent customer service.

Monitoring of Sea Water Desalination

Sodom and Gomorrah, lying in the desert heat, were the cities to which God sent Abraham in order to find righteous men in the heart of evil. It was where Lot and his family were living, and from whence they emerged into the world. The area has always been rich in drama and emotions. And, indeed, the project of bringing water from the Red Sea to the Dead Sea has always been controversial. On one hand, it may benefit the residents of the area and promote peace in the Middle East and around the world; on the other hand, the radical ecological upheaval may cause unpredictable and irrevocable damage.

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Metal - Monitoring West African surface and ground water systems

This paper provides an initial assessment of metal concentrations in West African freshwater systems and proposes some preliminary environmental quality standards that could be used to assess impacts of development schemes in the region. In addition, some ideas to resolve the challenges encountered during the collection of samples are suggested.

Environmental Water Quality Testing

Water is critical to life, and water quality is critical to health. Not just human health, but all animals, plants and microbes - in fact, the whole global ecosystem. If water supplies, rivers and lakes become contaminated, then this impacts on the complete life cycle, often with devastating results, as demonstrated by the continuing health effects from the Bhopal incident 25 years ago, due to residual contamination in underground water sources. Less high profile, but more far reaching, is the issue of eutrophication of rivers or lakes - that’s the increase in nutrients due to agricultural run off. This is a common cause of algal blooms, leading to loss of oxygen, and the death of other species.

Analysis of Water Samples

As part of the procedures called for by the directive, a list of substances (priority substances) are specified and there is an essential requirement to perform large numbers of routine, trace determinations of these substances in surface water samples. Although some of the details of the WFD’s analytical requirement are still to be settled, it is clear that, as a result of this directive, water laboratories will have to analyse significantly more samples in the coming years.

Water Analysis

The potential risks to human health, wildlife and domesticated animals caused by the presence of chemical contaminants and pathogens in water is of significant concern to the Water Industry. Faecal pollution of water, resulting in waterborne diseases such as cholera and typhoid, has been linked to the deaths of millions of people around the world, although technological advances in water treatment have virtually eliminated these risks in developed countries. It is therefore, chemical contaminants that currently pose the highest risk to the safety of water supply, with surface waters and groundwater potentially containing thousands of these contaminants.

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Automated Analysis of PAHs by HPLC

Automated solid phase extraction (SPE) has been combined with HPLC and fluorescence detection for the analysis of polycyclic aromatic hydrocarbons in drinking water samples. This approach offers lower operating costs and improved productivity as sample numbers increase.

Assessing, Sampling and Analysis Techniques

Do water samples collected routinely for monitoring programmes accurately reflect river phosphorus (P) and suspended solids (SS) concentrations? This paper examines several stages of standard sampling, preservation and analysis techniques (SSPAT) for water samples from two lowland UK rivers. Although universal analytical procedures are necessary for data comparison, this paper indicates that adopting a SSPAT approach alone may jeopardise sample representativeness. Therefore, preliminary surveys to assess whether SSPAT protocol is sufficient to quantify P and SS loads are highly recommended.

Equilibrium sampling in soil, snow and aquatic ecosystem measurements

This application note describes the equilibrium sampling method to be used with the Vaisala CARBOCAP® Carbon Dioxide Probe GMP343 for measurements of CO2 concentrations and fluxes in soil, snow or aquatic ecosystems. Some practical hints are provided for the different environments to ensure successful and trouble free measurements. This application note has been prepared in cooperation with Lammi Biological station, Department of Ecological and Environmental Sciences and Department of Forest Ecology at University of Helsinki.

Approaches to Water Monitoring and Modelling

The population in certain areas of England has grown rapidly in the last few decades. As a result, additional water will be needed to meet predicted levels of customer demand in the next 10 years in several parts of the region. This expanding population is also creating a larger energy demand. It is inevitable that conflicts will arise between the pressure exerted on fluvial systems to meet these water and energy needs and more stringent environmental protection afforded by the Water Framework Directive (WFD) requirements (WFD UK TAG, 2007).

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Source Tracing Techniques

The Environment Agency (EA) defines tracers as follows: “Tracers are substances which may be used to deduce the direction, destination and velocity of water or other substances”. Source tracing is a technique that uses tracers to track the movement of water to determine the relative contribution of various sources on its composition at specific points. For example, a tracer might be used to determine if faecal pollution from an effluent discharge pipe is passing out to sea or returning to the coast and thereby impacting water quality on the nearby beaches.

On-line and In-situ UV/Vis Spectroscopy

The advantages of online sensors for water quality analysis are becoming ever more widely recognised. The actual number of applications, nevertheless, remains rather limited to this date due to the limited capabilities of the instruments available. The introduction of spectrometric multi parameter probes with low maintenance requirements, however, is now changing the face of online monitoring significantly.

Water Quality Monitoring Below the Sea

Historically, water quality monitoring has relied on sampling or spot checking, however, the trend has been for process operators to move towards continuous monitoring. This, in turn, has created a need for sensors to be developed that are more robust and reliable and require less maintenance and ongoing calibration. At the same time, data collection and communication technologies have advanced considerably and it is now possible to view real- time water quality data at any time from anywhere. This article will outline some of the latest sensor technologies and examine the ways in which they are now able to resolve the problems traditionally associated with continuous monitoring.

Environmental Laboratory Analysis

Remain up-to-date with changing legislation and technological advances. Recent technological advances within analytical instrumentation have meant significant enhancements can now be made in the methods of analysis within the Environmental testing market.

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Disinfection Issues of Drinking Water

The world Health Organisation stated that "all people, whatever their stage of development and their social and economic conditions, have the right to have access to an adequate supply of safe drinking water".

Benchmarking Network for Water and Sanitation

All over the world, utilities are facing challenges to improve performance.

Better Treatment for Waterway Protection

Water companies adopt a more rigorous approach to sewage treatment.

 

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