By C.F . ‘Chubb’ Michaud, MWS Chemistry 101: elements, compounds, acids, bases, salts and ions All of the chemicals listed in The Periodic Table of the Elements (see Figure 1) are made up of atoms, which are combinations of electrons (negative charge), protons (positive charge) and neutrons (neutral charge). … [Read more...]
WQA Schedule of Events
Tuesday, March 28, 2017 8:00-8:50 AM: Dues Honor Roll Forum 8:00-8:50 AM: Trends & Critical Issues (0.1 CPD) 8:00-9:20 AM: Manufacturer/Supplier/Retailer Section 9:00-9:50 AM: Lead Treatment Threshold in POU Filters (0.1 CPD) 9:00-9:50 AM: International Section/International Standards & Regulations 9:00-9:50 AM: … [Read more...]
It’s Showtime in Orlando!
By Denise M. Roberts By now, most who will be attending the Water Quality Association’s Annual Convention and Exposition in Orlando, FL (March 28-31) will have made their hotel/flight reservations. Now it’s time to take stock of what to do when you arrive. There are always a multitude of educational seminars, certification … [Read more...]
Tapping into the ECHO Database
By Hubert Colas, PhD Community water systems are defined as providing water to the same population year-round, which are effectively municipal-residential systems. This is different than the two other US EPA-defined classifications: non-transient non-community water systems and transient non-community water systems, which represent … [Read more...]
Introduction to Membrane Separations
By Greg Reyneke, MWS In the water quality improvement industry, membranes are defined as physical barriers that separate solutions and allow passage of waterborne contaminants within a certain range of size, molecular mass, or even charge polarity strength. When driving pressure is applied and, depending on the material, pore size and … [Read more...]
Seven Decades of Packard Culligan Celebrated
By Derek Packard Packard Culligan group celebrated its 70th anniversary in conjunction with its annual managers meeting at the historic St. Paul Hotel in St. Paul, MN, October 18-20. Present at the meeting were all managers from the organization as well as select key leaders. The hotel was a fitting site for the meeting and anniversary, … [Read more...]
California Groundwater Association Annual Convention Recap
By Denise M. Roberts One of the more pleasant aspects of the California Groundwater Association’s annual convention is the close-knit relationships and overall camaraderie among both attendees and vendors. Although this is a contractor-heavy event, it’s apparent that the variety of products and services available to anyone involved in … [Read more...]
PWQA’s 59th Annual Convention Better Than Ever
By Pacific Water Quality Association The City of Industry, CA played host to the Pacific Water Quality Association’s Annual Convention and Trade Show. A staple in the water treatment and improvement industry, the association’s annual event has consistently received rave reviews from members on how well it is scheduled and the multitude … [Read more...]
Germicidal Effectiveness of UVC LEDs
By Rajul Randive, PhD Inventions in solid-state lighting, particularly the advancements in white-light LEDs, have been driving the most significant transformation in lighting since the very first introduction of the incandescent light bulb. Headline-making or notable societal impacts of light-emitting diodes (LEDs) include … [Read more...]
Another Successful EWQA Convention
By Dean Syrgley The Bear Creek Mountain Resort located in the Poconos of Pennsylvania was a very popular address for the 2016 EWQA Convention. Reports from attendees, exhibitors and walk-ins expressed their consensus that this convention was the best for EWQA in recent memory. All 43 exhibit spaces were taken, there were a record number … [Read more...]
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