By Rick Andrew As I prepare for my retirement at the end of September after more than 24 years with…
Browsing: Water Matters
By Rick Andrew The NSF/ANSI Drinking Water Treatment Unit Standards include testing-based evaluations for several characteristics of point-of-use (POU) and…
NSF/ANSI/CAN 50 Equipment for Swimming Pools, Spas, Hot Tubs, and Other Recreational Water Facilities includes requirements for a wide range…
By Rick Andrew In last month’s column, “Testing Activated Carbon Systems for Total PFAS Reduction,” we explored the recent updates…
By Rick Andrew In 2019, NSF/ANSI 53 was updated to include requirements for reduction of perfluorooctanoic acid (PFOA) and perfluorooctane…
By Rick Andrew The point-of-use (POU) and point-of-entry (POE) water treatment industry considers water softeners to be a key element…
By Rick Andrew Post-mix beverage applications present an interesting and special situation in the world of water treatment. Post-mix treatment…
By Rick Andrew “Softening capacity” is a widely discussed term related to residential water softeners, especially in the realm of…
By Rick Andrew The standards for filtration systems are structured based on the technology and end use of the product…
By Rick Andrew Desalination is a process for reducing the level of salt in seawater to transform it into drinking…