Proposed revisions to:
NSF/ANSI 42: Drinking Water Treatment Units – Aesthetic Effects (42i122r1)
NSF/ANSI 53: Drinking Water Treatment Units – Health Effects (53i144r1)
NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems (58i101r1)
NSF/ANSI 401: Drinking Water Treatment Units – Emerging Compounds / Incidental Contaminants (401i28r1).
The proposed revisions will add NSF/ANSI 401 to reduction capacity statements in NSF/ANSI 42, 53, and 58. |