Proposed revision to NSF/ANSI 42 – Drinking Water Treatment Units – Aesthetic Effects. The proposed ballot will revise the fine media extraction testing method in Section 4.2.3.1.1 of NSF/ANSI 42.
07186: Approval of 42i119r1 - Fine Media Extraction Testing
Document (Archive)
2021-08-05
Blank Comment - TEMPLATE.docx
Document
2021-07-14
DWTU-2021-15- fine media extraction.pdf
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