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1.1 This test method is used to determine the potential for, and relative degree of, biological growth which can accumulate on geotextile or geotextile/soil filters.
1.2 This test method uses the measurement of flow rates over an extended period of time to determine the amount of clogging.
1.3 This test method can be adapted for nonsaturated as well as saturated conditions.
1.4 This test method can use constant head or falling head measurement techniques.
1.5 This test method can also be used to give an indication as to the possibility of backflushing and/or biocide treatment for remediation purposes if biological clogging does occur.
1.6 The values in SI units are to be regarded as the standard. The values provided in inch-pound units are for information only.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
D4354 Practice for Sampling of Geosynthetics and Rolled Erosion Control Products (RECPs) for Testing
D4439 Terminology for Geosynthetics
D4491 Test Methods for Water Permeability of Geotextiles by Permittivity
D5101 Test Method for Measuring the Filtration Compatibility of Soil-Geotextile Systems
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
G22 Practice for Determining Resistance of Plastics to Bacteria
ICS Number Code 59.080.70 (Geotextiles)
UNSPSC Code 30121702(Geotextile)
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ASTM D1987-07, Standard Test Method for Biological Clogging of Geotextile or Soil/Geotextile Filters, ASTM International, West Conshohocken, PA, 2007, www.astm.orgBack to Top