NSF/ANSI 61-2020: Drinking Water System Components – Health Effects
Water isn’t literally everywhere, but it is overwhelmingly abundant, taking up 332,500,000 cubic miles of the earth’s surface. H2O also comprises 60% of our bodies’ […]
water
NSF/ANSI 50-2019: Equipment and Chemicals for Swimming Pools
NSF/ANSI/CAN 50-2019, both an American National Standard and a National Standard of Canada, specifies information for not only swimming pools but also spas, hot tubs, […]
NSF/ANSI 42-2019: Drinking Water Treatment for Aesthetics
Picture a glass of water. Odds are it shares a striking similarity with the one above. We like our water a certain way, especially the […]
NFPA 25-2020: Water-Based Fire Protection Systems Standard
Today, fires of all sizes are extinguished with various media—foam, gas, chemicals—containing a range of substances. However, water still does its thing—as H20 is a […]
IICRC Standards: Cleaning, Restoring, Inspecting
IICRC, as an ANSI-accredited standards developing organization, has a specific focus, and its involvement enhances the safety and efficiency of the industry it serves. The […]
NFPA 750 Standard on Water Mist Fire Protection Systems, 2019 Edition
New Standard Revision: NFPA 750-2019: Standard on Water Mist Fire Protection Systems, 2019 edition Mist is generally innocuous. Minuscule water droplets—nearly vaporous—rarely present any threats […]
Cryptosporidium: Why Clean Water is So Important
Adequate water treatment is the cornerstone of modern public health, but few take a moment to ask why. Well, it’s pretty obvious—water is the elixir […]
Membrane Bioreactor (MBR) Systems and AWWA B130-2018
New Standard Revision: AWWA B130-2018: Membrane Bioreactor Systems Water treatment encapsulates a network of ostensibly unnatural processes to fulfill an auspiciously natural need: assuring public […]
Microcystins: A Toxic Threat to Drinking Water
Blue-green algae (cyanobacteria) comprises the oldest known fossils and date back more than 3.5 billion years, but these freshwater organisms are still prominent today. Cyanobacteria, […]
NSF/ANSI 53-2017: Drinking Water Treatment Units—Health Effects
***Update: This standard has been revised. NSF/ANSI 53-2019: Drinking Water Treatment Units – Health Effects is available on the ANSI Webstore. You can read more […]