Changes to NSF 61/600 Standard
The Impact for Potable Water Linings
Changes to NSF/ANSI/CAN 61: Drinking Water System Components will take place on January 1, 2023. Due to the upcoming proposed changes, a broad number of solvent-based lining products currently used in the potable water market will be affected and potentially eliminated from certification under the standard.
Sherwin-Williams is your trusted resource to support you and help answer questions about this change. We are committed to delivering the most user-friendly products, including 100% solids technologies, that will comply with revised industry standards and meet the lifecycle objectives of the end user.
How Will These Changes Impact Us?
Extractable Limit Changes to NSF 61/600 Standard
- Changes to requirements regarding organic solvents and other compound extraction limits will take place January 1, 2023
- Proposed changes include a drastic reduction of the Maximum Contaminant Levels (MCLs) of xylene, toluene and ethylbenzene
- Download our tech bulletin for details on upcoming changes to this standard
Heywood's H2O Rants: NSF 61/600 Changes
|COMPOUND||PREVIOUS CRITERIA IN PPB (TAC/SPAC)||NEW CRITERIA IN PPB (TAC/SPAC)||IMPLEMENTATION DEADLINE|
Perfluorooctanoic acid (PFOA) &
Perfluorooctanesulfanic acid (PFOS)
|3/0.3||0.07/0.007 (Total)||Products must comply by 1/1/2020|
|Triphenylphosphine Oxide||3/0.3||1/0.1||Products must comply by 1/1/2020|
|Total Xylenes||10,000/1000||90/9||Products must comply by 1/1/2023|
|Toluene||1000/100||60/6||Products must comply by 1/1/2023|
|Ethylbenzene||700/70||140/14||Products must comply by 1/1/2023|
Industry Expertise and Innovation
Explore customized solutions we deliver for customers to address their project and application challenges.