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 […]
Water
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 […]
2017 NSF/ANSI Water Treatment and Component Standards
Water is, of course, the liquid molecule that we need to sustain life. Any kind of contaminant in water can be detrimental not only to […]
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 […]
Rain Loads: Design Guidance in ASCE/SEI 7-2016 and the International Building Code
A single droplet of rain means no true threat to anyone or anything, and similarly, rainfall, at ordinary intensities, is rarely a cause for immobilizing […]
Sanitation in Construction – American National Standard ANSI/ASSE A10.25-2017
In a past post, we discussed guidelines for portable restrooms in construction sites, specifically the ANSI/PSAI Z4.3-2016 – Sanitation – Nonsewered Waste-Disposal Systems – Minimum […]
Performance Requirements for Backflow Preventer for Beverage Dispensing Equipment
Safe, clean water is a prime concern with any population, necessitating the need for standards and regulations to simplify our acquisition of this basic molecule […]
AWWA B511-2017 – Potassium Hydroxide
Potassium hydroxide (KOH), produced electrolytically from potassium chloride (2KCl + 2H2O → 2KOH + Cl2↑ + H2↑), is water-soluble, hygroscopic, odorless, corrosive to metals, noncombustible, […]
AWWA G520-2017: Wastewater Collection System Operation and Management
Wastewater collection systems are one of the many important, yet often underappreciated, contributors to the sanitary conditions that the average person may take for granted. […]