Proposed revisions to:
NSF/ANSI 42: Drinking Water Treatment Units – Aesthetic Effects (42i129r1)
NSF/ANSI 53: Drinking Water Treatment Units – Health Effects (53i154r1)
NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems (58i107r1)
NSF/ANSI 401: Drinking Water Treatment Units – Emerging Compounds / Incidental
Contaminants (401i34r1)
The proposed revisions standardize water temperatures for hydrostatic structural integrity testing as well as
chemical reduction testing, including POE. |
