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 […]
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 […]
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 […]
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. […]
Residential Aboveground Portable Pools Standard, ASTM F2666
As summer heat arrives, people turn to pools to cool off. Building a pool in a residential area can be a harrowing process where prospective […]
NSF/ANSI 60-2016 – Drinking Water Treatment Chemicals – Health Effects
***Update: NSF/ANSI 60 has been revised. The current version is NSF/ANSI 60-2019.*** As we have discussed in the past, NSF International, an ANSI-accredited standards developing […]
NSF/ANSI 53-2016 – Drinking Water Treatment Units – Health Effects
***Update: This standard has been revised. The current edition is NSF/ANSI 53-2017: Drinking Water Treatment Units -Health Effects. You can read more about its changes in […]
Selection of Aquifer Test Method in Determining Hydraulic Properties by Well Techniques
An aquifer test method is a controlled field experiment made to determine the approximate hydraulic properties of water-bearing materials. ASTM D4043-17 – Standard Guide for […]