Proposed revisions to:
NSF/ANSI 53: Drinking Water Treatment Units — Health Effects (53i160r1)
NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems (58i111r1)
The purpose of this ballot is to change to the influent challenge for asbestos to solely chrysotile fibers in Section 7.3.1.4.3 of NSF/ANSI 53 and Section 7.2.1.4 of NSF/ANSI 58. |