Proposed revisions to:
NSF/ANSI 40 – Residential Wastewater Treatment Systems (40i62r1)
NSF/ANSI 46 – Evaluation of Components and Devices Used in Wastewater Treatment Systems (46i47r1)
NSF/ANSI 245 – Residential Wastewater Treatment Systems – Nitrogen Reduction (245i39r1)
NSF/ANSI 350 – Onsite Residential and Commercial Water Reuse Treatment Systems (350i83r1)
The proposed revision will add a statement allowing the use of alternate validated methods with documented equivalent performance. |