Legionella found in multiple locations at Wayne State

POSTED IN LEGIONNAIRES’ DISEASE, PUBLIC HEALTH Three campus cooling towers and three bathrooms have tested positive for Legionella bacteria on the Wayne State University campus in Detroit, according to a university communique released this week. Legionella is the bacteria that causes Legionnaires’ disease. The university began conducting tests after an employee who works in the Faculty Administration Building was diagnosed with Legionnaires’ disease […]

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DOB NYC Building Update

“Effective May 2018, there is a new process in to resolve Energy Code Violations and Notices of Deficiency (NODs). Email energycodeinspections@buildings.nyc.gov as soon as possible after receiving a Violation or Notice of Deficiency for an Energy Code infraction. The email should include the following: property address in the subject line the violation # and/or complaint […]

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Legionella Remediation – Installation of Secondary Disinfection System utilizing Chlorine Dioxide Technology

Metro recently completed the installation of a permanent Secondary Disinfection System (pictured below) utilizing Chlorine Dioxide for a building drinking water system that experienced the persistent presence of the Legionella Bacteria over an extended period of time. Metro employs Chlorine Dioxide as a disinfectant for Legionella Remediation for its ability to penetrate biofilm and get […]

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Optimizing Cycles of Concentration

Controlling the scale-forming tendencies of a cooling tower system is based on regulating the level to which minerals are “allowed” to concentrate through evaporation.  Cycles management is one aspect of preventing mineral scale formation on heat exchange surfaces and is carefully coupled to other methods such as: proportionally-dosed application of chemical deposit-control agents, pH control, […]

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Legionnaires’ disease in NYC: What to know

A cluster of Legionnaires’ disease in the Bronx is being investigated by health officials. There are hundreds of cases of Legionnaires’ disease in New York City every year, the Department of Health and Mental Hygiene said. Photo Credit: Getty Images / iStockphoto / KuLouKu By Nicole Brownnicole.brown@amny.com  @ncb417Updated April 25, 2018 2:57 PM PRINT SHARE  Legionnaires’ disease […]

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DOB Service Update

REQUIREMENT: Injuries and Fatalities Must be Reported to Department Within Three Business Days Local Law 78 of 2017 requires the property owner, contractor, subcontractor, or person otherwise in control of a construction site to report specific information about any site incident that resulted in a fatality or injury to a construction worker or member of […]

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Scary Chart Time: Oil Price Trends

By Luke Wonnell For those of you who are considering an oil-to-gas conversion for your building’s boiler system, let’s take a look at the commodity price for a barrel of crude oil over the past 12 months – that’s right, it’s scary chart time! Source: http://markets.businessinsider.com/commodities/oil-price?type=wti The current $70+/barrel is 67% higher than mid 2017 when […]

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Troubleshooting Water Softeners

Having problem with your water softener?  Metro can assist your facility in walking you thru a few simple troubleshooting steps. The most common water softener problem is a poor brine draw.  Poor brine draw is typically caused either by a leaking brine draw tube, (flexible tube leading from brine tank to softener head) or a […]

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Corrosion Coupon Studies

Understanding metal loss could add years of life to your water system’s components and piping.  While it is common practice in the water treatment industry to measure rates of metal loss using “corrosion coupon studies,” it is amazing how many studies are carried out in error.  Many firms will provide this service to simply ‘check […]

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