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NSF/ANSI 40:2026

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Residential Wastewater Treatment Systems

Available format(s)

PDF

Language(s)

English

Published date

01-07-2026

Superseded date

30-09-2026

Superseded by

NSF/ANSI 40:2026E

£172.52
Excluding VAT
Summarise this standard

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
42
ProductNote
This standard also refer to 40 CFR Part 133, ANSI/AWS D.1.1/D1.1M:2015, ANSI/AWS D1.3/D1.3M:2018
PublisherName
NSF International
Status
Superseded
SupersededBy
Supersedes

⚠

A newer version of this standard is available.

View Current Edition
£172.52
Excluding VAT