NSF/ANSI 40-2023: Residential Wastewater Treatment Systems
Residential waste water treatment systems reintroduce wastewater into the environment—enabling wastewater to become part of the water cycle and accessible for further use. It is…
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…
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…
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….
ANSI/PSAI Z4.1-2016, Sanitation in Places of Employment
Places of employment are one of the foremost settings in the average individual’s life. Due to their significance, it is essential that these venues remain…
Next-Generation Toilets in IWA 24:2016 Could End Global Sanitation Crisis
While it may seem surprising to the many people who take such a thing for granted, much of the world lacks access to toilets. In…