NASEM Legionella Meeting 4 (Oct 22nd 2018)

Another NASEM meeting of possible interest.  Both in person and online, October 22nd, 2018.  Here’s a link to the registration.   We invite you to join the open session of our fourth committee meeting. At the meeting we will hear from the U.S. Department of Veterans Affairs (DVA) on implementation of their 2014 directive. We will also hear …

The Bath Toy Microbiome

I just got pointed to this article today “Ugly Ducklings – the dark side of plastic materials in contact with potable water“, along with the accompanying commentary “About duck, pipes, and microbiomes“.  I think this is a fascinating study for a few reasons.  Firstly, like probably most parents, I observed and wondered about the biofilms …

Interesting new paper on green building water systems  

There is a new open access paper of possible interest to those working on water systems, green buildings, and/or microbial ecology: Survey of green building water systems reveals elevated water age and water quality concerns – Environmental Science: Water Research & Technology (RSC Publishing) DOI:10.1039/C5EW00221D By William J. Rhoads, Amy Pruden and Marc A. Edwards in Environmental …

Contaminated tap water in hospitals

Quick post here on a hospital water sampling study in Italy that found much higher levels of potentially pathogenic bacteria (e.g. Legionella) in aerators than in the rest of the plumbing system.   Reading this gives a really good sense of how complicated it is to maintain a sufficiently sterile water distribution system for immunocompromised patients …

Proposed ASHRAE Standard on Prevention of Legionellosis – public comment invited

[edited from the ASHRAE press release] Changes to clarify requirements in a proposed standard are open for public comment. The proposed ASHRAE standard, 188P, Prevention of Legionellosis Associated with Building Water Systems, specifies what must be done to control the spread of legionellosis. The standard helps facility managers/owners understand how to apply the available information …