The proposed revision will add a performance reduction claim for perfluorocctanoic acid (PFOA) and perfluoroctane sulfonate (PFOS) for non-regenerable drinking water treatment devices that use anion exchange media.
Revision 2 incorporates comments received from the previous ballot (53i115r1) to correct an inconsistency between Table 7.7 and 7.8 in the overall average and single point tolerances in the influent challenge water and adds clarifying language to the method. Original comments have been included under the referenced items.
Revision 3 adjusts the tolerance of the average influent challenge to be consistent to what is already required for the activated carbon protocol under Table 7.1. |
