Proposed revisions to NSF/ANSI 53: Drinking Water Treatment Units – Health Effects (53i157r1)
The proposed language adds subsections for adjusting pH and TDS for organic chemical reduction testing under Section 7.2.1.5, General test water.
08650: Approval of 53i157r1 - pH and TDS Adjustment
Document (Archive)
2023-11-28
DWTU-2023-14 - pH and TDS Adjustment (53).pdf
Document
2023-11-06
Blank Comment - TEMPLATE.docx
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