NSF 240-2017
NSF 240-2017 Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems
standard by NSF International, 01/21/2017
Full Description
This Standard provides a methodology to compare, assess and document product sizing criteria foralternative or proprietary products with respect to conventional coarse aggregate used in onsitewastewater dispersal drainfields, based on comparative hydraulic performance.The comparative treatment performance of alternative products compared to performance of conventionalsystems is not within the scope of this Standard.
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