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Significance and Use
5.1 This practice is intended to provide a list of standard procedures for test programs for investigating the chemical resistance of a geonet with a liquid waste, leachate, or chemical. This practice should be used in the absence of other specifications required for the particular situation being addressed.
5.2 Chemical resistance, as used in this practice, is not a quantifiable term. This practice is intended to provide a basis of standardization for those wishing to compare or investigate the chemical resistance of a geonet. It should be recognized that chemical resistance is a user judgment evaluation and that this practice does not offer procedures for interpreting the results obtained from test procedures contained herein. As a practice, a test result is not produced.
5.3 This practice is for the chemical resistance assessment of geonets and is written in parallel to similar practices for geomembranes, geogrids, geotextiles, and geopipes. Each practice is to be considered individually for the geosynthetic under investigation and collectively for all geosynthetics exposed to the potentially harsh chemical environment under consideration.
1.2 This practice describes test methods for measuring changes in mass, dimensions, tensile and hydraulic properties and other optional physical and mechanical properties caused by immersion in test solutions, which may be representative of anticipated end use conditions. This practice may be used to assess the extent to which a product's as-manufactured properties are affected by such immersion.
1.3 This practice is intended to be used in conjunction with Practices D5322 or D5496. The scope of this practice is limited to testing and reporting procedures for unexposed and exposed geonet samples.
1.5 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. See Section 7 for specific hazards statements.
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
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1238 Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
D1621 Test Method for Compressive Properties of Rigid Cellular Plastics
D4439 Terminology for Geosynthetics
D4595 Test Method for Tensile Properties of Geotextiles by the Wide-Width Strip Method
D4716 Test Method for Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivity of a Geosynthetic Using a Constant Head
D5035 Test Method for Breaking Force and Elongation of Textile Fabrics (Strip Method)
D5199 Test Method for Measuring the Nominal Thickness of Geosynthetics
D5322 Practice for Laboratory Immersion Procedures for Evaluating the Chemical Resistance of Geosynthetics to Liquids
D5496 Practice for In Field Immersion Testing of Geosynthetics
D5747 Practice for Tests to Evaluate the Chemical Resistance of Geomembranes to Liquids
ICS Number Code 13.030.40 (Installations and equipment for waste disposal and treatment)
UNSPSC Code 30121701(Geomesh)