All about wastewater and sewage

All About Wastewater Treatment


This short article is about the treatment of wastewater. Wastewater treatment describes the process used to convert wastewater or sewage, water that has been used in some form of process and has become contaminated making it unsuitable for further use, or water that is no longer required into an effluent that can be either returned safely to the water cycle with minimal environmental issues or reused for either industrial or domestic consumption.

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Legionnaires’ disease: A Health & Safety Perspective from 1991

Legionnaires’ disease: A Health & Safety Perspective from 1991

The following presentation takes a look at Legionnaires’ disease in the UK from a health and safety perspective dating back to 1991. It considers Legionella bacteria and where it is commonly found, how Legionella infection occurs, legionellosis, Legionnaires’ disease outbreaks and common sources of contamination including hot and cold water services and cooling towers.

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What is Antibiotic Resistance?

What is Antibiotic Resistance & How Can You Help?

The following video asks the question what is antibiotic resistance? Dr Chris van Tulleken, an infectious diseases doctor looks at the growth in antibiotic resistance, its consequences for the human race and simple steps we can all take to become antibiotic guardians.

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All About Rainwater Harvesting & Water Reuse


This brief guide is about the process of rainwater harvesting and reusing water for alternative purposes. Rainwater harvesting describes the process of capturing of rainwater and water run-off for reuse, as opposed to allowing it to run-off to the drainage system.

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Legionella Testing, Water Sampling of Spas & Fountains during Legionnaires' Disease Outbreaks

Legionella Testing & Water Sampling of Spas & Fountains during Legionnaires’ Disease Outbreaks

The following presentation examines Legionella testing and water sampling of spas and fountains during Legionnaires’ disease outbreaks in the USA. The presentation looks at Legionella water sampling of spas, decorative fountains, sprinkler systems, eye wash safety stations, humidifiers and respiratory care equipment; together with the measurement of other water quality parameters. The video featured in this presentation is one by the US Centers for Disease Control and Prevention (CDC) that gives an introduction to environmental health and engineering measures for Legionnaires’ disease outbreak investigations in the USA.

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How to Sample Cooling Towers for Legionella Bacteria

How to Sample Cooling Towers for Legionella during Legionnaires Outbreaks

The following presentation explains how to sample cooling towers for Legionella during Legionnaires’ disease outbreaks in the USA. The presentation looks at Legionella water sampling of cooling towers, how to take biofilm swabs, the measurement of other water quality parameters, and selection of typical sampling sites. The video featured here is one published by the US Centers for Disease Control and Prevention (CDC) gives an introduction to environmental health and engineering measures for Legionnaires’ disease outbreak investigations in the USA.

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Sampling Potable Water for Legionella Bacteria: Legionnaires Disease Outbreaks

Sampling Potable Water for Legionella Bacteria – Legionnaires Disease Outbreaks

The following presentation looks at sampling potable water for Legionella bacteria during Legionnaires disease outbreaks in the USA. It discusses Legionella water sampling of showers and hot water outlets, together with the measurement of other water quality parameters (temperature, pH, chlorine residual), and the selection of typical sampling sites. The video featured in this article is from the US Centers for Disease Control and Prevention (CDC) gives an introduction to environmental health and engineering measures for legionellosis outbreak investigations in the USA.

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Hot Tub Legionnaires’ disease Deaths at UK DIY Store Lead to Manslaughter Charges

An investigation by the UK’s Health Protection Agency following the deaths of three people from Legionnaires’ disease in Staffordshire discovered it was caused by a poorly maintained hot tub used for display purposes at a local DIY store. The water used in the hot tub had become contaminated with Legionella bacteria which can cause the potentially fatal condition, Legionnaires’ disease.

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