The following publications by NSF International are related to how the standard NSF/ANSI/CAN 61 Drinking Water Systems – Health Effects is used to ensure that plastic piping systems (e.g., pipes, fittings, valves) are tested for potable water safety. Other publications by NSF related to product represented by PPI’s Building & Construction Division are also shown below.

• Informed Infrastructure Code Update: How NSF's Water Standards Support New Technology - September 2023
• Water Online: The Vital Role Of The NSF Health Advisory Board In Protecting Public Health - September 2023
• Breaking Down the Misconceptions About NSF/ANSI/CAN 61 and PEX Pipe in a Recent Study - August 2023
• The Truth about NSF/ANSI/CAN 61 and PVC Pipes - May 2023
• NSF/ANSI/CAN 61 Overview: Background, Scope, and Requirements – January 2023
• Water Online: Understanding the Safety of Using Plastic Pipes in the U.S. Service Line Replacement Project – September 2022
• What the Bipartisan Infrastructure Law Means for Manufacturers - May 2022
• Water Plumbing Systems: NSF International Breaks Down Study Results – 2022
• NSF International: NSF Reviews Studies on PEX - 2018
• NSF International Responds to New York Times Article on Plastic Pipe - November 2017
• NSF Fact Sheet on Safety of PEX Plumbing Products - December 2016
• NSF FAQs on Safety of PEX Plumbing Products - November 2022