Proposed revision to NSF/ANSI 42 – Drinking water treatment units – Aesthetic effects NSF/ANSI 44 – Residential cation exchange water softeners, NSF/ANSI 53 – Drinking water treatment units – Health effects, NSF/ANSI 55 – Ultraviolet microbiological water treatment systems, NSF/ANSI 58 – Reverse osmosis drinking water treatment systems, NSF/ANSI 62 – Drinking Water Distillation Systems, NSF/ANSI 244- Drinking Water Treatment Units – Supplemental Microbiological Water Treatment Systems – Filtration and NSF/ANSI 401 – Drinking water treatment units – Emerging compounds/incidental contaminants.
The proposed revision will add ANSI/ASSE 1087: Performance Requirements for Commercial and Food Service Water Treatment Equipment Utilizing Drinking Water as a normative reference to the DWTU standards. |
