Proposed revision to NSF/ANSI 40 – Residential Wastewater Treatment Systems (40i37r1) This ballot will revise language regarding odor and color in NSF/ANSI 40.
06650: Approval of 40i37r1 - Odor and Color
Document (Archive)
2020-10-24
WWT-2020-22 Odor and Color NSF 40.pdf
Document
2020-10-02
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