NSF 240:2017
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
DRAINFIELD TRENCH PRODUCT SIZING FOR GRAVITY DISPERSAL ONSITE WASTEWATER TREATMENT AND DISPERSAL SYSTEMS
21-01-2017
30-04-2026
1 General
2 Normative references
3 Definitions
4 Long term acceptance rate (LTAR)
evaluation
5 Field performance assessment (FPA)
Annex A (Informational) - Examples of
FPA scoring
Provides 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.
| DocumentType |
Standard
|
| PublisherName |
NSF International
|
| Status |
Withdrawn
|
| Supersedes |
| ASTM D 75 : 2003 | Standard Practice for Sampling Aggregates |
| ASTM D 422 : 1963 : R2002 : EDT 1 | Standard Test Method for Particle-Size Analysis of Soils |
| ASTM D 2167 : 2015 : REDLINE | Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method |
| ASTM D 698 : 2013-05 | TEST METHODS FOR LABORATORY COMPACTION CHARACTERISTICS OF SOIL USING STANDARD EFFORT (12400 FT-LBF/FT[3] (600 KN-M/M[3])) |
| ASTM C 136 : 2006 | Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates |