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.
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INDUSTRY UPDATE
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 |
---|---|---|---|
Benzo(a)pyrene | 0.2/0.02 | 0.04/0.004 | Immediate |
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 |
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