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 […]
Potassium hydroxide (KOH), produced electrolytically from potassium chloride (2KCl + 2H2O → 2KOH + Cl2↑ + H2↑), is water-soluble, hygroscopic, odorless, corrosive to metals, noncombustible, […]
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. […]
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 […]
***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 […]
CSA B45.5-17/IAPMO Z124-2017 – Plastic plumbing fixtures has been released. This document, while primarily a revision of the 2011 version of the CSA B45.5-17/IAPMO Z124 […]
***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 […]
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 […]
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 […]
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 […]