NSF 40-2004
- Residential Wastewater Treatment Systems
- standard by NSF International, 11/15/2004
- Category: NSF
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This Standard contains minimum requirements for residential wastewater treatment systems having single, defined discharge points and rated treatment capacities between 1514 L/d (400 gal/d) and 5678 L/d (1500 gal/d). Management methods for the treated effluent discharged from residential wastewater treatment systems are not addressed by this Standard.
System components covered under other NSF or NSF/ANSI standards or criteria shall also comply with the requirements therein. This Standard shall in no way restrict new system designs, provided such designs meet the minimum specifications described herein.
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