NSF/ANSI 245:2020
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Residential Wastewater Treatment Systems - Nitrogen Reduction
Hardcopy , PDF
12-09-2022
English
05-01-2021
This Standard contains minimum requirements for residential wastewater treatment systems having rated treatment capacities of 1,514 L/d (400 gal/d) to 5,678 L/d (1500 gal/d) that are designed to provide reduction of nitrogen in residential wastewater.
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