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NSF/ANSI 40:2023

Superseded

Superseded

View Superseded by

Residential Wastewater Treatment Systems

Available format(s)

PDF

Language(s)

English

Published date

10-01-2023

Superseded date

07-27-2026

Superseded by

NSF/ANSI 40:2026

US$248.00
Excluding Tax where applicable

This standard contains minimum requirements for residential wastewater treatment systems having rated treatment capacities between 1,514 LPD (400 GPD) and 5,678 LPD (1,500 GPD).

DocumentType
Standard
Pages
38
ProductNote
This standard also refers to 40 C.F.R. Part 133, NSF/ANSI 437, This product is unavailable in Ukraine, Belarus, Russia
PublisherName
NSF International
Status
Superseded
SupersededBy
Supersedes

US$248.00
Excluding Tax where applicable