Proposed revision to NSF/ANSI 40: Residential Wastewater Treatment Systems (40i53r1) The proposed revision will update language in NSF/ANSI 40 to be harmonized with the recently adopted glossary standard definitions.
08163: Approval of 40i53r1 - Calendar Days
Document (Archive)
2022-12-09
437i2r1 - ballot - approved.pdf
Document
2022-11-14
WWT-2022-26 Std. 40 calendar days.pdf
Blank Comment - TEMPLATE.docx
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