NSF 40-2005
NSF 40-2005 Residential Wastewater Treatment Systems
standard by NSF International, 08/01/2005
standard by NSF International, 08/01/2005
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.