Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM D5472-93(1999)e1

Standard Test Method for Determining Specific Capacity and Estimating Transmissivity at the Control Well

Standard Test Method for Determining Specific Capacity and Estimating Transmissivity at the Control Well D5472-93R99E01 ASTM|D5472-93R99E01|en-US Standard Test Method for Determining Specific Capacity and Estimating Transmissivity at the Control Well Standard new BOS Vol. 04.08 Committee D18
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Scope

1.1 This test describes a procedure for conducting a specific capacity test, computing the specific capacity of a control well, and estimating the transmissivity in the vicinity of the control well. Specific capacity is the well yield per unit drawdown at an identified time after pumping started.

1.2 This test method is used in conjunction with Test Method D4050 for conducting withdrawal and injection well tests.

1.3 The method of determining transmissivity from specific capacity is a variation of the nonequilibrium method of Theis (1) for determining transmissivity and storage coefficient of an aquifer. The Theis nonequilibrium method is given in Test Method D4106.

1.4 Limitations -The limitations of the technique for determining transmissivity are primarily related to the correspondence between the field situation and the simplifying assumptions of the Theis method.

1.5 The values stated in SI units are to be regarded as standard.

1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not address safety problems 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.

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Details
Book of Standards Volume: 04.08
Developed by Subcommittee: D18.21
Pages: 4
DOI: 10.1520/D5472-93R99E01
ICS Code: 13.060.10