ASTM D4050 - 96(2008)

    Standard Test Method for (Field Procedure) for Withdrawal and Injection Well Tests for Determining Hydraulic Properties of Aquifer Systems

    Active Standard ASTM D4050 | Developed by Subcommittee: D18.21

    Book of Standards Volume: 04.08


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    ASTM D4050

    Significance and Use

    Withdrawal and injection well test field procedures are used with appropriate analytical procedures in appropriate hydrogeological sites to determine transmissivity and storage coefficient of aquifers and hydraulic conductivity of confining beds.

    1. Scope

    1.1 This test method covers the field procedure for selecting well locations, controlling discharge or injection rates, and measuring water levels used to analyze the hydraulic properties of an aquifer or aquifers and adjacent confining beds.

    1.2 This test method is used in conjunction with an analytical procedure such as Test Methods D4105 or D4106 to determine aquifer properties.

    1.3 The appropriate field and analytical procedures are selected as described in Guide D4043.

    1.4 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.

    ASTM Standards

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D2488 Practice for Description and Identification of Soils (Visual-Manual Procedure)

    D4043 Guide for Selection of Aquifer Test Method in Determining Hydraulic Properties by Well Techniques

    D4105 Test Method for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Modified Theis Nonequilibrium Method

    D4106 Test Method for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Theis Nonequilibrium Method

    D4750 Test Method for Determining Subsurface Liquid Levels in a Borehole or Monitoring Well (Observation Well)


    ICS Code

    ICS Number Code 13.060.10 (Water of natural resources)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D4050-96R08

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