Press Release Date: January 22, 2021 “Biofilm Monitoring: A How-To Guide for Practical Cooling Water Management” makes the cover page of the most recent edition of “the Analyst”, the water treatment industry’s premier periodical published by the Association of Water Technologies. Authored by AWT Cooling Subcommittee Representatives John Caloritis, CWT of The Metro Group, Inc., […]
Press Release Date: January 21, 2021 Metro District Manager Mark Botsford, CWT, has become latest member of the Metro team to become a Certified Legionella Specialist per the ASSE 12080 Standard. In April 2020, the American National Standards Institute (ANSI) designated the American Society of Sanitary Engineers (ASSE) 12080 Professional Qualifications Standard for Legionella Water […]
11 January 2021 – News & Insight While COVID-19 is at the forefront of people’s minds, Legionella is one hazard that may be overlooked as people return to their workplaces. Legionnaires’ disease – is COVID-19 helping spread this potentially The bacteria thrives in water that is left stagnant between temperatures of 20–45°C and with many […]
A recently completed study by respected AWT Company, Weas Engineering of Westfield, IN, looked at the Association of Amoeba and Legionella in Potable Water Systems. The study also looked at the efficacy of three disinfection strategies in reducing amoeba and therefore affect subsequent events that ultimately result in the acquisition of legionellosis. The three disinfection […]
By Max Horberry Stagnant plumbing systems in emptied commercial buildings could put returning employees at risk of Legionnaires’ and other illnesses. When you finally return to work after the lockdown, coronavirus might not be the only illness you need to worry about contracting at the office. Office buildings once filled with employees emptied out in […]
The world as we knew it changed recently with the spread of COVID 19. On top of that was the directive to close all “Non-essential” businesses. This rapid closure inevitably caused many locations to drastically reduce or completely stop the routine water flows that these facilities usually operated. Facilities that are included in this group […]
Now that Legionella testing has become more widely accepted, it is unsurprising that test results are sometimes returned as positive. When the building has a proper Water Management plan (WMP), that positive result leads to immediate and predetermined action steps to remediate and normalize. This is exactly what a quality system should do. Allow for […]
By John Caloritis In non-regulated geographies across the USA, building owners face important decisions related to Legionella prevention. In the minds of many, the question remains “should we test or not?” The good news is that many owners are beginning to participate in pro-active Legionella prevention including testing of building water systems for Legionella. This […]
A cooling tower is part of a recirculated water system incorporated into a building’s cooling, industrial, refrigeration or energy production system. All owners of cooling towers in New York State are required to register their towers in the New York State Cooling Tower Registry, prepare and implement a Maintenance Program and Plan, test their towers […]
You’ve just received your Legionella analysis and the results show percent positivity above 30%. What do you do? You decide to superheat and flush the system by raising the temperature of the water above 140 degrees (also known as thermal eradication). How effective is this procedure? You won’t know until the retest results come back. […]
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