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NSF 240

Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems

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Organization: NSF
Publication Date: 29 November 2011
Status: inactive
Page Count: 36
scope:

This Standard provides a methodology to compare, assess and document product sizing criteria for alternative or proprietary products with respect to conventional coarse aggregate used in onsite wastewater dispersal drainfields, based on comparative hydraulic performance.

The comparative treatment performance of alternative products compared to performance of conventional systems is not within the scope of this Standard.

Purpose

The purpose of this Standard is to establish minimum material, design, construction, and performance requirements for comparing gravity dispersal drainfield products based on hydraulic performance used in place of conventional coarse aggregate within onsite wastewater treatment and dispersal systems. This Standard also specifies the minimum literature that manufacturers shall supply to authorized representatives. Two alternate protocols for establishing the sizing relationship are provided.

Document History

January 21, 2017
Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems
This Standard provides a methodology to compare, assess and document product sizing criteria for alternative or proprietary products with respect to conventional coarse aggregate used in onsite...
NSF 240
November 29, 2011
Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems
This Standard provides a methodology to compare, assess and document product sizing criteria for alternative or proprietary products with respect to conventional coarse aggregate used in onsite...

References

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