NSF/ANSI 40:2026E
Current
The latest, up-to-date edition.
Residential Wastewater Treatment Systems
English
01-09-2026
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 record is editorially revised in Sep 2026
|
| PublisherName |
NSF International
|
| Status |
Current
|
| Supersedes |
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