Finally – New Technologies to Effectively Measure and Control Legionella in Cooling Towers

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ASHRAE’s Standard 188, “Legionellosis: Risk Management for Building Water Systems” codifies a systematic process to assess and control the risk of Legionella pneumophila in evaporative comfort-cooling water systems. This systematic process specifies a framework of consistent action, assessment and re-assessment of the effectiveness of water treatment, routine monitoring, preventative maintenance, and water quality during service and […]

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You shouldn’t be worried about Covid-19 in your cooling tower. Here’s why.

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What’s the risk of the Covid-19 virus – or other viruses – from being present in the water in my cooling tower? Here’s why I think that the risk is very low. Viruses – especially SARS-type viruses like Covid-19 – are very uncommon in potable and surface waters. In the U. S., the quality of […]

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Four things that you should know if you must test your cooling water for Legionella Bacteria, Part 2

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This blogpost will review the fourth thing that you should know – how to choose one of the currently-commercialized laboratory and/or field tests for legionella bacteria. The previous blogpost reviewed the first three things that you should know if you must test your water for legionella bacteria. Monitoring for Legionella pneumophila requires determining the optimal […]

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Four things that you should know if you must test your cooling water for Legionella Bacteria, Part 1

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This blogpost will review the first three things that you should know if you must test your water for legionella bacteria. The next blogpost will review the fourth thing that you should know – how to choose one of the currently-commercialized laboratory and/or field tests for legionella bacteria. Monitoring for legionella bacteria includes monitoring sessile […]

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How Your Organization could get sued for Testing your water for Legionella Bacteria

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Your water treatment service representative – and sometimes your operators – routinely collect samples of cooling water and analyze the bacteria population. So, why is testing for legionella bacteria risky? Here’s what happened when a water treatment service representative – on his own initiative – collected a sample of the cooling water, tested it for […]

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