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 […]
Water
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 C751-2016: Magnetic Inductive Flowmeters (Magmeters)
AWWA C751-2016 – Magnetic Inductive Flowmeters, a new American National Standard developed by the American Water Works Association (AWWA), has been released. As a product […]
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. […]
Safety and Performance Standards for Aboveground Portable Pools for Residential Use – ASTM F2666-16
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 60-2017.*** As we have discussed in the past, NSF International, an ANSI-accredited standards developing […]
CSA B45.5-17/IAPMO Z124-2017 – Plastic Plumbing Fixtures
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 […]
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. Of the many processes utilized throughout the delivery […]
Physical Testing of Quicklime, Hydrated Lime, and Limestone
The different chemical compounds that fall under the overarching term “lime” – quicklime, hydrated lime (slacked lime), and limestone – are very sharply related, with […]
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 […]