Codes & Standards

New EPA WaterSense Draft Specification – Reverse Osmosis (RO) systems

Reverse Osmosis (RO) is the process of purifying water by using a semi-permeable membrane and water pressure. It is used by...

Certification News and Updates

ASSE staff and technical committees are constantly reviewing ways to improve our certification exams. When you make a commitment...

WaterSense to Publish New Efficiency Specification for POU RO Systems

One of the common technologies used for water treatment are Reverse Osmosis systems. (From this point forward referred to RO.) The EPA...

ASSE/IAPMO/ANSI Series 12000-2021: Ensuring Proper Training and Qualifications for Water Management...

A Growing Public Health Threat. Research shows there has been a marked increase in recent years of Legionnaires’ Disease (LD) in the...

Fire Protection Backflow Testing

Is the testing of backflow prevention assemblies on fire systems different than testing the backflow prevention assemblies on domestic water systems?...

How Much Is Your Family Worth To You?

I am always saddened when a news story reports that someone has lost their life in a house fire. Many times...

A Brief History of Standards Harmonization

In North America, the economies of the United States and Canada are very closely tied. The products in both marketplaces are...

How Do Harmonized Standards Affect Product Listings?

My colleague Terry Burger has written in detail about the evolution and benefits of writing harmonized standards (see pages 10-12). Often the...

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...

New Method Modernizes Hunter’s Curve Demand Estimates

Reprinted with permission from Plumbing Manufacturers International/January 2021 Ripple Effect. Hunter’s Curve, an 80-year-old chart used to predict peak...