Understanding the NSF/ANSI 53 Water Filtration Performance Standard
Throughout the United States, multiple reports about elevated lead levels found in drinking water in homes, schools, and businesses have emerged. Consumers can protect...
Backflow Prevention and Infection Control
According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions. Likewise,...
Chicago’s 1933 World’s Fair and Backflow
In 1933, Chicago hosted the World’s Fair, which resulted in an unintentional backflow disaster. The sewer systems in the city were undersized...
Legionella Prevention In Showers Through Point-Of-Use Filtration
There are many benefits associated with showers regarding relaxation and comfort, but they also pose a potential health risk regarding Legionella bacteria...
Lead in Water
Over the past several years, there are two things that have become very evident regarding lead in our drinking water: first, lead is very...
Temperature Control Devices
Safety is a main focus of this edition of Working Pressure. One category of safety equipment used in plumbing systems are those...
Improving Water Quality
In some way or another, everyone who works in the plumbing or piping industry deals with water on a regular basis. Everyone, no matter...
Invisible No More
Infection control has become the new normal for building owners and managers who anticipate a reopening, and ultimately normalization, of building occupancy....
Why Being Certified Makes a Difference
Have you ever wondered, “Why am I doing this to myself? Why am I taking time away from family/friends to take these...
Maintaining Health & Safety of the Public
This issue of Working Pressure magazine focuses on inspection and maintenance. Over the years, ASSE International has developed quite a few standards and certifications...