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    ASTM D6642-01(2006)

    Standard Guide for Comparison of Techniques to Quantify the Soil-Water (Moisture) Flux (Withdrawn 2015)

    Withdrawn Standard: ASTM D6642-01(2006) | Developed by Subcommittee: D18.21

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    This guide describes techniques that may be used to quantify the soil-water (or soil-moisture) flux, the soil-water movement rate, and/or the recharge rate within the vadose zone. This guide is not intended to be all-inclusive with regard to available methods. However, the techniques described do represent the most widely used methods currently available.

    Formerly under the jurisdiction of Committee D18 on Soil and Rock, this guide was withdrawn in July 2015 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This guide describes techniques that may be used to quantify the soil-water (or soil-moisture) flux, the soil-water movement rate, and/or the recharge rate within the vadose zone. This guide is not intended to be all-inclusive with regard to available methods. However, the techniques described do represent the most widely used methods currently available.

    1.2 This guide was written to detail the techniques available for quantifying soil-moisture flux in the vadose zone. These data are commonly required in studies of contaminant movement and in estimating the amount of water replenishing a renewable groundwater resource, that is, an aquifer. State and federal regulatory guidelines typically require this information in defining contaminant travel times, in performance assessment, and in risk assessment. Both unsaturated and saturated flow modelers benefit from these data in establishing boundary conditions and for use in calibrations of their computer simulations.

    1.3 This guide is one of a series of standards on vadose zone characterization methods. Other standards have been prepared on vadose zone characterization techniques.

    1.4 This guide offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this guide may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word Standard in the title of this document means only that the document has been approved through the ASTM consensus process.

    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 requirements 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

    D1452 Practice for Soil Exploration and Sampling by Auger Borings

    D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

    D3404 Guide for Measuring Matric Potential in Vadose Zone Using Tensiometers

    D4643 Test Method for Determination of Water (Moisture) Content of Soil by Microwave Oven Heating

    D4696 Guide for Pore-Liquid Sampling from the Vadose Zone

    D4700 Guide for Soil Sampling from the Vadose Zone

    D4944 Test Method for Field Determination of Water (Moisture) Content of Soil by the Calcium Carbide Gas Pressure Tester

    D5126 Guide for Comparison of Field Methods for Determining Hydraulic Conductivity in Vadose Zone

    D5220 Test Method for Water Mass per Unit Volume of Soil and Rock In-Place by the Neutron Depth Probe Method


    Referencing This Standard

    DOI: 10.1520/D6642-01R06

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D6642-01(2006), Standard Guide for Comparison of Techniques to Quantify the Soil-Water (Moisture) Flux (Withdrawn 2015), ASTM International, West Conshohocken, PA, 2006, www.astm.org

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