NFPA 291-2019: Fire Hydrant Flow Testing and Marking
The standard for fire flow testing and marking of fire hydrants, NFPA 291-2019: Recommended Practice for Fire Flow Testing and Marking of Hydrants, has been […]
Water
Keeping Asbestos Out of Drinking Water
Water contamination is something often associated with deadly illnesses in developing countries, but various forms of tainted water are running through rivers, settling in watersheds, […]
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 […]
Harmonized U.S. and Canadian Standards
On October 4, 1987, the United States and Canada agreed to the Canada-United States Free Trade Agreement (CUSFTA), and the agreement was brought into force […]
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 […]
Flushing Away the Sanitation Crisis Without Flushing At All: Standardization and World Toilet Day 2017
In certain parts of the world, the toilet is, thankfully, an easily accessible device, one that rarely is given thought until nature calls. To all […]
NSF/ANSI 50-2016a: Equipment for Swimming Pools, Spas, Hot Tubs and Other Recreational Water Facilities
***Update: This standard has been revised. NSF/ANSI/CAN 50-2019: Equipment for Swimming Pools, Spas, Hot Tubs and Other Recreational Water Facilities is now available on the ANSI […]