Articles on Legionella and Water Management Plans
Unprecedented Agreement in the United States About the Approach to Legionella Prevention
[Updated July 7, 2020] After Legionella was discovered following the 1976 outbreak of what came to be known as Legionnaires' disease, tremendous amounts of research ensued to find out why water systems promote growth of Legionella bacteria and how the bacteria are...
Four Reasons CDC’s New Toolkit Could Impact Legionnaires’ Litigation
The Centers for Disease Control and Prevention (CDC) report in early June about the increased number of Legionnaires' disease cases and the need for building water management certainly caught the attention of the media. The Washington Post headline was "Legionnaires’...
Two Keys to Success in Selecting “Evidence-based” Legionella Control Measures
One of the important criteria for a Legionella control measure is that it be evidence-based — meaning there is scientific evidence the measure will likely be effective in minimizing Legionella. Two keys to success in selecting “evidence-based” Legionella control...
Six Keys to Disinfecting Cooling Towers Safely (in New York City or Elsewhere)
Updated on 6/24/19 New York City building owners should consider six key safety precautions in complying with health commissioner Dr. Mary T. Bassett’s August 6th order to disinfect their cooling towers: 1. Perform “online” rather than “offline” disinfection unless...
Five Steps New York City Building Owners can take to Reduce the Risk of Legionnaires’ Disease
Today, health commissioner Dr. Mary T. Bassett ordered New York City building owners to disinfect their cooling towers within the next two weeks in response to the Bronx outbreak that so far has sickened 100 people and killed 10. The New York Times...
Potential Impact of ASHRAE 188
On June 26th, ASHRAE 188P dropped the “P” and became ANSI/ASHRAE Standard 188-2015. What will be its impact on cases of Legionnaires’ disease, the number of lawsuits and litigation related to the disease, laws, and water-related products and services?
How Much a Facility Really Pays for a Legionella Risk Management Program
How much will it cost a facility to implement the type of Legionella water management plan that is outlined by the World Health Organization and Veterans Health Administration and in ANSI/ASHRAE Standard 188-2015?
Update on ASHRAE 188
“Legionellosis: Risk Management for Building Water Systems” officially became ANSI/ASHRAE Standard 188-2015 on June 26, 2015. The Legionella risk reduction strategy set forth in the standard is to implement a “Water Management Program” (Program) for…
Water Temperatures and Legionella
Updated on October 22, 2021. At first glance, guidelines may lead engineers and facility operators to conclude that controlling Legionella bacteria in plumbing (domestic/potable water) systems can be accomplished long-term by simply raising water heater temperatures....
Legionella Disinfection In Plumbing Systems, Four Keys to Success
Disinfection systems can be installed in a building’s plumbing to minimize Legionella bacteria in the water delivered to faucets, showers, and drinking fountains. Commonly used technologies inject a chemical (the disinfectant) into the water supply shortly after it...
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