NSF 61-2019 Changes: Drinking Water System Components
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
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 […]
NSF/ANSI 50-2017: Equipment and Chemicals for Swimming Pools, Spas, Hot Tubs, and Other Recreational Water Facilities
2.1 million residential inground swimming pools were built between 1991 and 2006. This achievement is monumental when contrasted with the preceding years. During this time, […]
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 53-2018: Drinking Water Treatment Units – Health Effects is available on the ANSI Webstore. The effective delivery of […]
AWWA B301-2018: Liquid Chlorine Standard
Chlorine is often inseparable from the purification of water supplies. In tackling concerns present with chlorine for use in potable water, wastewater, and reclaimed water […]