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6/14/2021 - Machine Safeguarding

When determining the best solutions for safeguarding machinery and equipment, one of the biggest challenges that OSH professionals face is answering the question, “How safe is safe enough?” With ...

The New Age of Legionella

Tuesday, May 11, 2021
The New Age of Legionella

 

Legionnaires' Disease and Pontiac Fever
Harry M. Neill

The purpose of a Legionella control program is to minimize the presence of Legionella bacteria and other environmentally associated bacteria in building waterside systems and consequently reduce the potential for illnesses associated with these organisms. The mechanism to achieve the above is to limit the ecological conditions (temperature range and nutrients) and physical plant (design) operations and maintenance issues that allow the Legionella bacteria to grow and amplify. As such, instituting preventive maintenance procedures is a critical aspect of Legionella bacteria control and disease prevention.

Please feel free to e-mail me and we can set aside some time to discuss how we can assist you.

Sincerely,
Harry M. Neill, CIH Vice President,
Mold and Indoor Air Quality Services


The New Age of Legionella

The New Age of Legionella

In response to droughts believed to be associated with climate change, a number of energy and water conservation measures are being implemented throughout the United States. These measures have recommended lowering water temperature or shutting off hot water heaters for long periods of time can help create an ideal environment for Legionella bacteria amplification in the potable water systems of homes, hospitals and hotels.

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Where Can Legionella be Found?

Where Can Legionella be Found?

Legionella species grow in a variety of places, including soil and both natural and manmade water sources. In nature, Legionella grow in the thin fresh-water biofilm layer (i.e., slime) on the surface of rivers, lakes, and streams. In manmade settings, Legionella are commonly found in building water systems (e.g., heating, ventilation, and air conditioning; domestic and industrial potable water), hot tubs, and decorative fountains, and are not eliminated by normal chlorination processes

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Legionella Testing and Legionnaires Disease Prevention

Legionella Testing and Legionnaires Disease Prevention

What should you do if an employee or occupant at your facility is diagnosed with Legionnaires disease or Pontiac Fever? How would you respond? Who should be involved? Remember, a methodical approach is crucial. If there is a confirmed case of Legionnaires disease or worse, a death it is critical to have a plan that addresses all the issues.

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